./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU --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 03b59b42cc833f5b28fc5dc7cc6711355c533ad94229ba44874c6d4d186d9dcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:39:01,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:39:01,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:39:01,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:39:01,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:39:01,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:39:01,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:39:01,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:39:01,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:39:01,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:39:01,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:39:01,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:39:01,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:39:01,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:39:01,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:39:01,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:39:01,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:39:01,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:39:01,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:39:01,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:39:01,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:39:01,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:39:01,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:39:01,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:39:01,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:39:01,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:39:01,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:39:01,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:39:01,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:39:01,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:39:01,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:39:01,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:39:01,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:39:01,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:39:01,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:39:01,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:39:01,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:39:01,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:39:01,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:39:01,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:39:01,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:39:01,766 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 22:39:01,790 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:39:01,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:39:01,791 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:39:01,791 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:39:01,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:39:01,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:39:01,793 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:39:01,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:39:01,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:39:01,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:39:01,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:39:01,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:39:01,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:39:01,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:39:01,794 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:39:01,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:39:01,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:39:01,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:39:01,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:39:01,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:39:01,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:39:01,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:39:01,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:39:01,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:39:01,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:39:01,797 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:39:01,797 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 22:39:01,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:39:01,797 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:39:01,798 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_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03b59b42cc833f5b28fc5dc7cc6711355c533ad94229ba44874c6d4d186d9dcb [2021-11-02 22:39:02,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:39:02,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:39:02,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:39:02,148 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:39:02,149 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:39:02,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2021-11-02 22:39:02,226 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/data/93e86e0cf/64dd386bdf834b75bb852994bacea9db/FLAG75a5f86e0 [2021-11-02 22:39:03,075 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:39:03,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2021-11-02 22:39:03,120 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/data/93e86e0cf/64dd386bdf834b75bb852994bacea9db/FLAG75a5f86e0 [2021-11-02 22:39:03,569 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/data/93e86e0cf/64dd386bdf834b75bb852994bacea9db [2021-11-02 22:39:03,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:39:03,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:39:03,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:39:03,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:39:03,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:39:03,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:39:03" (1/1) ... [2021-11-02 22:39:03,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3740e2a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:39:03, skipping insertion in model container [2021-11-02 22:39:03,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:39:03" (1/1) ... [2021-11-02 22:39:03,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:39:03,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:39:04,994 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i[202861,202874] [2021-11-02 22:39:05,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:39:05,031 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:39:05,436 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i[202861,202874] [2021-11-02 22:39:05,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:39:05,568 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:39:05,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:39:05 WrapperNode [2021-11-02 22:39:05,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:39:05,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:39:05,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:39:05,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:39:05,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:39:05" (1/1) ... [2021-11-02 22:39:05,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:39:05" (1/1) ... [2021-11-02 22:39:05,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:39:05,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:39:05,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:39:05,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:39:05,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:39:05" (1/1) ... [2021-11-02 22:39:05,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:39:05" (1/1) ... [2021-11-02 22:39:05,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:39:05" (1/1) ... [2021-11-02 22:39:05,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:39:05" (1/1) ... [2021-11-02 22:39:06,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:39:05" (1/1) ... [2021-11-02 22:39:06,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:39:05" (1/1) ... [2021-11-02 22:39:06,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:39:05" (1/1) ... [2021-11-02 22:39:06,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:39:06,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:39:06,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:39:06,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:39:06,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:39:05" (1/1) ... [2021-11-02 22:39:06,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:39:06,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:39:06,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:39:06,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:39:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-02 22:39:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-02 22:39:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-02 22:39:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-02 22:39:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:39:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:39:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 22:39:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 22:39:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:39:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-02 22:39:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 22:39:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:39:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 22:39:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:39:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-02 22:39:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:39:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:39:11,412 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:39:11,412 INFO L299 CfgBuilder]: Removed 972 assume(true) statements. [2021-11-02 22:39:11,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:39:11 BoogieIcfgContainer [2021-11-02 22:39:11,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:39:11,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:39:11,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:39:11,422 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:39:11,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:39:03" (1/3) ... [2021-11-02 22:39:11,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7b7320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:39:11, skipping insertion in model container [2021-11-02 22:39:11,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:39:05" (2/3) ... [2021-11-02 22:39:11,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7b7320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:39:11, skipping insertion in model container [2021-11-02 22:39:11,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:39:11" (3/3) ... [2021-11-02 22:39:11,426 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2021-11-02 22:39:11,432 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:39:11,432 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-02 22:39:11,485 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 22:39:11,491 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-02 22:39:11,492 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-02 22:39:11,527 INFO L276 IsEmpty]: Start isEmpty. Operand has 1042 states, 1040 states have (on average 1.4942307692307693) internal successors, (1554), 1041 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:11,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-02 22:39:11,549 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:39:11,550 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:39:11,550 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:39:11,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:39:11,557 INFO L85 PathProgramCache]: Analyzing trace with hash -864679343, now seen corresponding path program 1 times [2021-11-02 22:39:11,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:39:11,566 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427018508] [2021-11-02 22:39:11,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:39:11,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:39:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:39:12,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:39:12,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:39:12,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427018508] [2021-11-02 22:39:12,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427018508] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:39:12,065 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:39:12,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:39:12,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650960131] [2021-11-02 22:39:12,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:39:12,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:39:12,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:39:12,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:39:12,097 INFO L87 Difference]: Start difference. First operand has 1042 states, 1040 states have (on average 1.4942307692307693) internal successors, (1554), 1041 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:12,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:39:12,293 INFO L93 Difference]: Finished difference Result 2079 states and 3101 transitions. [2021-11-02 22:39:12,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:39:12,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-02 22:39:12,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:39:12,324 INFO L225 Difference]: With dead ends: 2079 [2021-11-02 22:39:12,325 INFO L226 Difference]: Without dead ends: 1011 [2021-11-02 22:39:12,335 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:39:12,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2021-11-02 22:39:12,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 1011. [2021-11-02 22:39:12,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1011 states, 1010 states have (on average 1.4772277227722772) internal successors, (1492), 1010 states have internal predecessors, (1492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:12,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1492 transitions. [2021-11-02 22:39:12,475 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1492 transitions. Word has length 36 [2021-11-02 22:39:12,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:39:12,476 INFO L470 AbstractCegarLoop]: Abstraction has 1011 states and 1492 transitions. [2021-11-02 22:39:12,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:12,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1492 transitions. [2021-11-02 22:39:12,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-02 22:39:12,480 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:39:12,480 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:39:12,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 22:39:12,481 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:39:12,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:39:12,482 INFO L85 PathProgramCache]: Analyzing trace with hash -842047089, now seen corresponding path program 1 times [2021-11-02 22:39:12,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:39:12,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159151831] [2021-11-02 22:39:12,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:39:12,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:39:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:39:12,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:39:12,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:39:12,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159151831] [2021-11-02 22:39:12,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159151831] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:39:12,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:39:12,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:39:12,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632176665] [2021-11-02 22:39:12,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:39:12,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:39:12,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:39:12,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:39:12,686 INFO L87 Difference]: Start difference. First operand 1011 states and 1492 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:12,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:39:12,773 INFO L93 Difference]: Finished difference Result 1999 states and 2957 transitions. [2021-11-02 22:39:12,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:39:12,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-02 22:39:12,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:39:12,781 INFO L225 Difference]: With dead ends: 1999 [2021-11-02 22:39:12,781 INFO L226 Difference]: Without dead ends: 1011 [2021-11-02 22:39:12,784 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:39:12,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2021-11-02 22:39:12,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 1011. [2021-11-02 22:39:12,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1011 states, 1010 states have (on average 1.4762376237623762) internal successors, (1491), 1010 states have internal predecessors, (1491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:12,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1491 transitions. [2021-11-02 22:39:12,830 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1491 transitions. Word has length 36 [2021-11-02 22:39:12,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:39:12,830 INFO L470 AbstractCegarLoop]: Abstraction has 1011 states and 1491 transitions. [2021-11-02 22:39:12,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:12,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1491 transitions. [2021-11-02 22:39:12,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-02 22:39:12,834 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:39:12,834 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:39:12,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 22:39:12,835 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:39:12,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:39:12,836 INFO L85 PathProgramCache]: Analyzing trace with hash 44746728, now seen corresponding path program 1 times [2021-11-02 22:39:12,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:39:12,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001522557] [2021-11-02 22:39:12,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:39:12,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:39:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:39:13,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:39:13,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:39:13,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001522557] [2021-11-02 22:39:13,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001522557] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:39:13,026 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:39:13,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:39:13,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807404671] [2021-11-02 22:39:13,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:39:13,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:39:13,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:39:13,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:39:13,028 INFO L87 Difference]: Start difference. First operand 1011 states and 1491 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:13,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:39:13,184 INFO L93 Difference]: Finished difference Result 1999 states and 2956 transitions. [2021-11-02 22:39:13,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:39:13,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-02 22:39:13,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:39:13,201 INFO L225 Difference]: With dead ends: 1999 [2021-11-02 22:39:13,201 INFO L226 Difference]: Without dead ends: 1997 [2021-11-02 22:39:13,202 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:39:13,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states. [2021-11-02 22:39:13,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1013. [2021-11-02 22:39:13,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 1012 states have (on average 1.475296442687747) internal successors, (1493), 1012 states have internal predecessors, (1493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:13,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1493 transitions. [2021-11-02 22:39:13,274 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1493 transitions. Word has length 39 [2021-11-02 22:39:13,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:39:13,275 INFO L470 AbstractCegarLoop]: Abstraction has 1013 states and 1493 transitions. [2021-11-02 22:39:13,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:13,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1493 transitions. [2021-11-02 22:39:13,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-02 22:39:13,280 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:39:13,280 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:39:13,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 22:39:13,280 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:39:13,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:39:13,283 INFO L85 PathProgramCache]: Analyzing trace with hash -660420083, now seen corresponding path program 1 times [2021-11-02 22:39:13,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:39:13,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304348167] [2021-11-02 22:39:13,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:39:13,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:39:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:39:13,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:39:13,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:39:13,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304348167] [2021-11-02 22:39:13,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304348167] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:39:13,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:39:13,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:39:13,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376717762] [2021-11-02 22:39:13,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:39:13,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:39:13,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:39:13,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:39:13,465 INFO L87 Difference]: Start difference. First operand 1013 states and 1493 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:13,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:39:13,812 INFO L93 Difference]: Finished difference Result 2989 states and 4423 transitions. [2021-11-02 22:39:13,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:39:13,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-11-02 22:39:13,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:39:13,826 INFO L225 Difference]: With dead ends: 2989 [2021-11-02 22:39:13,826 INFO L226 Difference]: Without dead ends: 2001 [2021-11-02 22:39:13,828 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:39:13,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2001 states. [2021-11-02 22:39:13,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2001 to 1014. [2021-11-02 22:39:13,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 1013 states have (on average 1.474827245804541) internal successors, (1494), 1013 states have internal predecessors, (1494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:13,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1494 transitions. [2021-11-02 22:39:13,896 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1494 transitions. Word has length 46 [2021-11-02 22:39:13,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:39:13,897 INFO L470 AbstractCegarLoop]: Abstraction has 1014 states and 1494 transitions. [2021-11-02 22:39:13,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:13,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1494 transitions. [2021-11-02 22:39:13,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-02 22:39:13,899 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:39:13,899 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:39:13,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-02 22:39:13,900 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:39:13,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:39:13,900 INFO L85 PathProgramCache]: Analyzing trace with hash 32416044, now seen corresponding path program 1 times [2021-11-02 22:39:13,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:39:13,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894443505] [2021-11-02 22:39:13,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:39:13,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:39:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:39:14,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:39:14,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:39:14,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894443505] [2021-11-02 22:39:14,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894443505] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:39:14,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:39:14,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 22:39:14,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48977412] [2021-11-02 22:39:14,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 22:39:14,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:39:14,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:39:14,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:39:14,048 INFO L87 Difference]: Start difference. First operand 1014 states and 1494 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:14,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:39:14,403 INFO L93 Difference]: Finished difference Result 3636 states and 5391 transitions. [2021-11-02 22:39:14,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:39:14,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-11-02 22:39:14,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:39:14,426 INFO L225 Difference]: With dead ends: 3636 [2021-11-02 22:39:14,426 INFO L226 Difference]: Without dead ends: 3634 [2021-11-02 22:39:14,428 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-02 22:39:14,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3634 states. [2021-11-02 22:39:14,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3634 to 1015. [2021-11-02 22:39:14,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1014 states have (on average 1.4743589743589745) internal successors, (1495), 1014 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:14,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1495 transitions. [2021-11-02 22:39:14,529 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1495 transitions. Word has length 48 [2021-11-02 22:39:14,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:39:14,530 INFO L470 AbstractCegarLoop]: Abstraction has 1015 states and 1495 transitions. [2021-11-02 22:39:14,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:14,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1495 transitions. [2021-11-02 22:39:14,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-02 22:39:14,533 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:39:14,533 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:39:14,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-02 22:39:14,534 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:39:14,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:39:14,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1646884847, now seen corresponding path program 1 times [2021-11-02 22:39:14,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:39:14,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881215517] [2021-11-02 22:39:14,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:39:14,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:39:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:39:14,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:39:14,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:39:14,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881215517] [2021-11-02 22:39:14,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881215517] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:39:14,649 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:39:14,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:39:14,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001969773] [2021-11-02 22:39:14,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:39:14,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:39:14,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:39:14,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:39:14,653 INFO L87 Difference]: Start difference. First operand 1015 states and 1495 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:14,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:39:14,980 INFO L93 Difference]: Finished difference Result 2005 states and 2962 transitions. [2021-11-02 22:39:14,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:39:14,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-11-02 22:39:14,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:39:14,989 INFO L225 Difference]: With dead ends: 2005 [2021-11-02 22:39:14,989 INFO L226 Difference]: Without dead ends: 1015 [2021-11-02 22:39:14,993 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:39:14,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2021-11-02 22:39:15,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 1015. [2021-11-02 22:39:15,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1014 states have (on average 1.4733727810650887) internal successors, (1494), 1014 states have internal predecessors, (1494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:15,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1494 transitions. [2021-11-02 22:39:15,079 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1494 transitions. Word has length 62 [2021-11-02 22:39:15,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:39:15,079 INFO L470 AbstractCegarLoop]: Abstraction has 1015 states and 1494 transitions. [2021-11-02 22:39:15,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:15,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1494 transitions. [2021-11-02 22:39:15,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-02 22:39:15,082 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:39:15,083 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:39:15,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-02 22:39:15,083 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:39:15,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:39:15,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1521423125, now seen corresponding path program 1 times [2021-11-02 22:39:15,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:39:15,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765277909] [2021-11-02 22:39:15,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:39:15,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:39:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:39:15,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:39:15,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:39:15,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765277909] [2021-11-02 22:39:15,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765277909] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:39:15,240 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:39:15,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:39:15,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480598160] [2021-11-02 22:39:15,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:39:15,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:39:15,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:39:15,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:39:15,242 INFO L87 Difference]: Start difference. First operand 1015 states and 1494 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:15,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:39:15,600 INFO L93 Difference]: Finished difference Result 2994 states and 4425 transitions. [2021-11-02 22:39:15,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:39:15,601 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-02 22:39:15,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:39:15,613 INFO L225 Difference]: With dead ends: 2994 [2021-11-02 22:39:15,614 INFO L226 Difference]: Without dead ends: 2004 [2021-11-02 22:39:15,616 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:39:15,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2021-11-02 22:39:15,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1019. [2021-11-02 22:39:15,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 1018 states have (on average 1.4724950884086443) internal successors, (1499), 1018 states have internal predecessors, (1499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:15,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1499 transitions. [2021-11-02 22:39:15,717 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1499 transitions. Word has length 64 [2021-11-02 22:39:15,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:39:15,718 INFO L470 AbstractCegarLoop]: Abstraction has 1019 states and 1499 transitions. [2021-11-02 22:39:15,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:15,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1499 transitions. [2021-11-02 22:39:15,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-02 22:39:15,722 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:39:15,722 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:39:15,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-02 22:39:15,723 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:39:15,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:39:15,723 INFO L85 PathProgramCache]: Analyzing trace with hash -897723055, now seen corresponding path program 1 times [2021-11-02 22:39:15,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:39:15,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204874320] [2021-11-02 22:39:15,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:39:15,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:39:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:39:15,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-02 22:39:15,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:39:15,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204874320] [2021-11-02 22:39:15,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204874320] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:39:15,875 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:39:15,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:39:15,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305381072] [2021-11-02 22:39:15,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:39:15,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:39:15,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:39:15,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:39:15,877 INFO L87 Difference]: Start difference. First operand 1019 states and 1499 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:16,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:39:16,094 INFO L93 Difference]: Finished difference Result 2022 states and 2979 transitions. [2021-11-02 22:39:16,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:39:16,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-02 22:39:16,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:39:16,102 INFO L225 Difference]: With dead ends: 2022 [2021-11-02 22:39:16,102 INFO L226 Difference]: Without dead ends: 1028 [2021-11-02 22:39:16,104 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:39:16,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2021-11-02 22:39:16,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 1019. [2021-11-02 22:39:16,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 1018 states have (on average 1.4459724950884087) internal successors, (1472), 1018 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:16,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1472 transitions. [2021-11-02 22:39:16,199 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1472 transitions. Word has length 67 [2021-11-02 22:39:16,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:39:16,201 INFO L470 AbstractCegarLoop]: Abstraction has 1019 states and 1472 transitions. [2021-11-02 22:39:16,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:16,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1472 transitions. [2021-11-02 22:39:16,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-02 22:39:16,204 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:39:16,204 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:39:16,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-02 22:39:16,204 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:39:16,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:39:16,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1614523249, now seen corresponding path program 1 times [2021-11-02 22:39:16,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:39:16,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113612165] [2021-11-02 22:39:16,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:39:16,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:39:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:39:16,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:39:16,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:39:16,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113612165] [2021-11-02 22:39:16,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113612165] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:39:16,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16049869] [2021-11-02 22:39:16,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:39:16,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:39:16,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:39:16,377 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:39:16,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-02 22:39:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:39:16,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-02 22:39:16,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:39:17,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:39:17,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16049869] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:39:17,131 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:39:17,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-11-02 22:39:17,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172496158] [2021-11-02 22:39:17,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-02 22:39:17,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:39:17,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 22:39:17,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:39:17,133 INFO L87 Difference]: Start difference. First operand 1019 states and 1472 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:17,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:39:17,910 INFO L93 Difference]: Finished difference Result 3987 states and 5785 transitions. [2021-11-02 22:39:17,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:39:17,911 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-11-02 22:39:17,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:39:17,928 INFO L225 Difference]: With dead ends: 3987 [2021-11-02 22:39:17,929 INFO L226 Difference]: Without dead ends: 2993 [2021-11-02 22:39:17,932 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:39:17,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2021-11-02 22:39:18,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 1022. [2021-11-02 22:39:18,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 1021 states have (on average 1.44564152791381) internal successors, (1476), 1021 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:18,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1476 transitions. [2021-11-02 22:39:18,079 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1476 transitions. Word has length 70 [2021-11-02 22:39:18,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:39:18,080 INFO L470 AbstractCegarLoop]: Abstraction has 1022 states and 1476 transitions. [2021-11-02 22:39:18,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:18,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1476 transitions. [2021-11-02 22:39:18,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-02 22:39:18,084 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:39:18,084 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-02 22:39:18,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:39:18,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:39:18,300 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:39:18,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:39:18,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1542420939, now seen corresponding path program 2 times [2021-11-02 22:39:18,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:39:18,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776654855] [2021-11-02 22:39:18,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:39:18,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:39:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:39:18,528 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:39:18,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:39:18,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776654855] [2021-11-02 22:39:18,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776654855] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:39:18,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893895639] [2021-11-02 22:39:18,533 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-02 22:39:18,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:39:18,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:39:18,536 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:39:18,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-02 22:39:19,340 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-02 22:39:19,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:39:19,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-02 22:39:19,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:39:19,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-02 22:39:19,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893895639] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:39:19,573 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-02 22:39:19,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2021-11-02 22:39:19,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364451769] [2021-11-02 22:39:19,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:39:19,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:39:19,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:39:19,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-02 22:39:19,575 INFO L87 Difference]: Start difference. First operand 1022 states and 1476 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:20,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:39:20,033 INFO L93 Difference]: Finished difference Result 3657 states and 5318 transitions. [2021-11-02 22:39:20,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:39:20,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2021-11-02 22:39:20,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:39:20,049 INFO L225 Difference]: With dead ends: 3657 [2021-11-02 22:39:20,049 INFO L226 Difference]: Without dead ends: 2660 [2021-11-02 22:39:20,052 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-02 22:39:20,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2660 states. [2021-11-02 22:39:20,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2660 to 1024. [2021-11-02 22:39:20,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1024 states, 1023 states have (on average 1.444770283479961) internal successors, (1478), 1023 states have internal predecessors, (1478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:20,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1478 transitions. [2021-11-02 22:39:20,179 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1478 transitions. Word has length 73 [2021-11-02 22:39:20,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:39:20,179 INFO L470 AbstractCegarLoop]: Abstraction has 1024 states and 1478 transitions. [2021-11-02 22:39:20,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:20,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1478 transitions. [2021-11-02 22:39:20,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-02 22:39:20,188 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:39:20,188 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:39:20,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-02 22:39:20,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-02 22:39:20,404 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:39:20,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:39:20,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1076976601, now seen corresponding path program 1 times [2021-11-02 22:39:20,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:39:20,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397874444] [2021-11-02 22:39:20,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:39:20,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:39:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:39:20,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:39:20,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:39:20,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397874444] [2021-11-02 22:39:20,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397874444] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:39:20,509 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:39:20,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:39:20,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417865276] [2021-11-02 22:39:20,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:39:20,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:39:20,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:39:20,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:39:20,511 INFO L87 Difference]: Start difference. First operand 1024 states and 1478 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:20,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:39:20,793 INFO L93 Difference]: Finished difference Result 2855 states and 4145 transitions. [2021-11-02 22:39:20,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:39:20,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-11-02 22:39:20,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:39:20,806 INFO L225 Difference]: With dead ends: 2855 [2021-11-02 22:39:20,806 INFO L226 Difference]: Without dead ends: 1856 [2021-11-02 22:39:20,809 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:39:20,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1856 states. [2021-11-02 22:39:20,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1856 to 1027. [2021-11-02 22:39:20,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1026 states have (on average 1.4444444444444444) internal successors, (1482), 1026 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:20,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1482 transitions. [2021-11-02 22:39:20,941 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1482 transitions. Word has length 77 [2021-11-02 22:39:20,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:39:20,941 INFO L470 AbstractCegarLoop]: Abstraction has 1027 states and 1482 transitions. [2021-11-02 22:39:20,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:20,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1482 transitions. [2021-11-02 22:39:20,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-02 22:39:20,944 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:39:20,945 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:39:20,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-02 22:39:20,946 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:39:20,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:39:20,946 INFO L85 PathProgramCache]: Analyzing trace with hash 94341049, now seen corresponding path program 1 times [2021-11-02 22:39:20,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:39:20,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150746266] [2021-11-02 22:39:20,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:39:20,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:39:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:39:21,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:39:21,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:39:21,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150746266] [2021-11-02 22:39:21,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150746266] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:39:21,262 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:39:21,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-02 22:39:21,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121904091] [2021-11-02 22:39:21,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-02 22:39:21,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:39:21,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 22:39:21,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:39:21,264 INFO L87 Difference]: Start difference. First operand 1027 states and 1482 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:22,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:39:22,283 INFO L93 Difference]: Finished difference Result 4818 states and 6998 transitions. [2021-11-02 22:39:22,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-02 22:39:22,283 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-02 22:39:22,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:39:22,326 INFO L225 Difference]: With dead ends: 4818 [2021-11-02 22:39:22,326 INFO L226 Difference]: Without dead ends: 3806 [2021-11-02 22:39:22,330 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-11-02 22:39:22,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3806 states. [2021-11-02 22:39:22,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3806 to 1027. [2021-11-02 22:39:22,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1026 states have (on average 1.4434697855750487) internal successors, (1481), 1026 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:22,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1481 transitions. [2021-11-02 22:39:22,502 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1481 transitions. Word has length 81 [2021-11-02 22:39:22,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:39:22,503 INFO L470 AbstractCegarLoop]: Abstraction has 1027 states and 1481 transitions. [2021-11-02 22:39:22,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1481 transitions. [2021-11-02 22:39:22,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-02 22:39:22,506 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:39:22,506 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:39:22,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-02 22:39:22,507 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:39:22,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:39:22,507 INFO L85 PathProgramCache]: Analyzing trace with hash -641251963, now seen corresponding path program 1 times [2021-11-02 22:39:22,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:39:22,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65660087] [2021-11-02 22:39:22,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:39:22,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:39:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:39:22,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:39:22,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:39:22,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65660087] [2021-11-02 22:39:22,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65660087] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:39:22,715 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:39:22,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 22:39:22,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446898519] [2021-11-02 22:39:22,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 22:39:22,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:39:22,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:39:22,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:39:22,718 INFO L87 Difference]: Start difference. First operand 1027 states and 1481 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:23,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:39:23,807 INFO L93 Difference]: Finished difference Result 6598 states and 9597 transitions. [2021-11-02 22:39:23,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:39:23,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-11-02 22:39:23,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:39:23,822 INFO L225 Difference]: With dead ends: 6598 [2021-11-02 22:39:23,823 INFO L226 Difference]: Without dead ends: 5596 [2021-11-02 22:39:23,826 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-02 22:39:23,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5596 states. [2021-11-02 22:39:24,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5596 to 1030. [2021-11-02 22:39:24,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 1029 states have (on average 1.4421768707482994) internal successors, (1484), 1029 states have internal predecessors, (1484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:24,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1484 transitions. [2021-11-02 22:39:24,016 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1484 transitions. Word has length 84 [2021-11-02 22:39:24,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:39:24,017 INFO L470 AbstractCegarLoop]: Abstraction has 1030 states and 1484 transitions. [2021-11-02 22:39:24,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:24,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1484 transitions. [2021-11-02 22:39:24,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-02 22:39:24,020 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:39:24,020 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-02 22:39:24,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-02 22:39:24,021 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:39:24,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:39:24,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1309179487, now seen corresponding path program 1 times [2021-11-02 22:39:24,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:39:24,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269374719] [2021-11-02 22:39:24,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:39:24,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:39:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:39:24,101 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-02 22:39:24,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:39:24,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269374719] [2021-11-02 22:39:24,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269374719] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:39:24,102 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:39:24,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:39:24,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303988279] [2021-11-02 22:39:24,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:39:24,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:39:24,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:39:24,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:39:24,104 INFO L87 Difference]: Start difference. First operand 1030 states and 1484 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:24,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:39:24,554 INFO L93 Difference]: Finished difference Result 2858 states and 4143 transitions. [2021-11-02 22:39:24,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:39:24,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2021-11-02 22:39:24,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:39:24,559 INFO L225 Difference]: With dead ends: 2858 [2021-11-02 22:39:24,560 INFO L226 Difference]: Without dead ends: 1853 [2021-11-02 22:39:24,561 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:39:24,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1853 states. [2021-11-02 22:39:24,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1853 to 1024. [2021-11-02 22:39:24,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1024 states, 1023 states have (on average 1.4408602150537635) internal successors, (1474), 1023 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:24,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1474 transitions. [2021-11-02 22:39:24,729 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1474 transitions. Word has length 87 [2021-11-02 22:39:24,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:39:24,729 INFO L470 AbstractCegarLoop]: Abstraction has 1024 states and 1474 transitions. [2021-11-02 22:39:24,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:39:24,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1474 transitions. [2021-11-02 22:39:24,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-02 22:39:24,732 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:39:24,733 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:39:24,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-02 22:39:24,733 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:39:24,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:39:24,734 INFO L85 PathProgramCache]: Analyzing trace with hash -522722400, now seen corresponding path program 1 times [2021-11-02 22:39:24,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:39:24,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496607243] [2021-11-02 22:39:24,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:39:24,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:39:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:39:26,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:39:26,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:39:26,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496607243] [2021-11-02 22:39:26,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496607243] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:39:26,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:39:26,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-11-02 22:39:26,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369763939] [2021-11-02 22:39:26,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-02 22:39:26,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:39:26,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-02 22:39:26,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2021-11-02 22:39:26,587 INFO L87 Difference]: Start difference. First operand 1024 states and 1474 transitions. Second operand has 27 states, 27 states have (on average 3.2222222222222223) internal successors, (87), 27 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:41:52,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:41:52,804 INFO L93 Difference]: Finished difference Result 23179 states and 34500 transitions. [2021-11-02 22:41:52,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2021-11-02 22:41:52,804 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.2222222222222223) internal successors, (87), 27 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2021-11-02 22:41:52,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:41:52,865 INFO L225 Difference]: With dead ends: 23179 [2021-11-02 22:41:52,865 INFO L226 Difference]: Without dead ends: 23177 [2021-11-02 22:41:52,880 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9452 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=3581, Invalid=23809, Unknown=0, NotChecked=0, Total=27390 [2021-11-02 22:41:52,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23177 states. [2021-11-02 22:41:53,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23177 to 1693. [2021-11-02 22:41:53,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1693 states, 1692 states have (on average 1.442080378250591) internal successors, (2440), 1692 states have internal predecessors, (2440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:41:53,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 2440 transitions. [2021-11-02 22:41:53,510 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 2440 transitions. Word has length 87 [2021-11-02 22:41:53,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:41:53,511 INFO L470 AbstractCegarLoop]: Abstraction has 1693 states and 2440 transitions. [2021-11-02 22:41:53,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.2222222222222223) internal successors, (87), 27 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:41:53,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2440 transitions. [2021-11-02 22:41:53,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-02 22:41:53,515 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:41:53,515 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:41:53,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-02 22:41:53,516 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:41:53,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:41:53,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1109733853, now seen corresponding path program 1 times [2021-11-02 22:41:53,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:41:53,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342804765] [2021-11-02 22:41:53,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:41:53,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:41:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:41:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:41:55,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:41:55,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342804765] [2021-11-02 22:41:55,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342804765] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:41:55,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:41:55,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-11-02 22:41:55,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886345836] [2021-11-02 22:41:55,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-02 22:41:55,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:41:55,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-02 22:41:55,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=679, Unknown=0, NotChecked=0, Total=756 [2021-11-02 22:41:55,350 INFO L87 Difference]: Start difference. First operand 1693 states and 2440 transitions. Second operand has 28 states, 28 states have (on average 3.107142857142857) internal successors, (87), 28 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:55,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:44:55,278 INFO L93 Difference]: Finished difference Result 23186 states and 34509 transitions. [2021-11-02 22:44:55,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2021-11-02 22:44:55,279 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.107142857142857) internal successors, (87), 28 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2021-11-02 22:44:55,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:44:55,347 INFO L225 Difference]: With dead ends: 23186 [2021-11-02 22:44:55,348 INFO L226 Difference]: Without dead ends: 23184 [2021-11-02 22:44:55,363 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9464 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=3626, Invalid=24096, Unknown=0, NotChecked=0, Total=27722 [2021-11-02 22:44:55,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23184 states. [2021-11-02 22:44:55,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23184 to 1693. [2021-11-02 22:44:55,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1693 states, 1692 states have (on average 1.442080378250591) internal successors, (2440), 1692 states have internal predecessors, (2440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:55,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 2440 transitions. [2021-11-02 22:44:55,952 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 2440 transitions. Word has length 87 [2021-11-02 22:44:55,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:44:55,952 INFO L470 AbstractCegarLoop]: Abstraction has 1693 states and 2440 transitions. [2021-11-02 22:44:55,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.107142857142857) internal successors, (87), 28 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:55,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2440 transitions. [2021-11-02 22:44:55,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-02 22:44:55,958 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:44:55,958 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:44:55,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-02 22:44:55,958 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:44:55,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:44:55,959 INFO L85 PathProgramCache]: Analyzing trace with hash 216216861, now seen corresponding path program 1 times [2021-11-02 22:44:55,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:44:55,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117276170] [2021-11-02 22:44:55,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:44:55,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:44:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:44:56,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:44:56,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:44:56,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117276170] [2021-11-02 22:44:56,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117276170] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:44:56,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:44:56,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 22:44:56,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971589946] [2021-11-02 22:44:56,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 22:44:56,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:44:56,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:44:56,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:44:56,276 INFO L87 Difference]: Start difference. First operand 1693 states and 2440 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:56,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:44:56,927 INFO L93 Difference]: Finished difference Result 2692 states and 3887 transitions. [2021-11-02 22:44:56,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:44:56,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2021-11-02 22:44:56,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:44:56,932 INFO L225 Difference]: With dead ends: 2692 [2021-11-02 22:44:56,932 INFO L226 Difference]: Without dead ends: 1690 [2021-11-02 22:44:56,935 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:44:56,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2021-11-02 22:44:57,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1690. [2021-11-02 22:44:57,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1690 states, 1689 states have (on average 1.4422735346358793) internal successors, (2436), 1689 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:57,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 2436 transitions. [2021-11-02 22:44:57,618 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 2436 transitions. Word has length 87 [2021-11-02 22:44:57,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:44:57,618 INFO L470 AbstractCegarLoop]: Abstraction has 1690 states and 2436 transitions. [2021-11-02 22:44:57,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:57,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 2436 transitions. [2021-11-02 22:44:57,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-02 22:44:57,623 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:44:57,623 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:44:57,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-02 22:44:57,624 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:44:57,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:44:57,624 INFO L85 PathProgramCache]: Analyzing trace with hash 2062058996, now seen corresponding path program 1 times [2021-11-02 22:44:57,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:44:57,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475229665] [2021-11-02 22:44:57,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:44:57,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:44:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:44:58,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:44:58,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:44:58,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475229665] [2021-11-02 22:44:58,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475229665] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:44:58,480 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:44:58,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-02 22:44:58,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000339626] [2021-11-02 22:44:58,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-02 22:44:58,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:44:58,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-02 22:44:58,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-02 22:44:58,482 INFO L87 Difference]: Start difference. First operand 1690 states and 2436 transitions. Second operand has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:56,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:45:56,950 INFO L93 Difference]: Finished difference Result 21065 states and 31197 transitions. [2021-11-02 22:45:56,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-11-02 22:45:56,951 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2021-11-02 22:45:56,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:45:57,003 INFO L225 Difference]: With dead ends: 21065 [2021-11-02 22:45:57,003 INFO L226 Difference]: Without dead ends: 19400 [2021-11-02 22:45:57,013 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4953 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=2558, Invalid=10782, Unknown=0, NotChecked=0, Total=13340 [2021-11-02 22:45:57,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19400 states. [2021-11-02 22:45:57,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19400 to 2544. [2021-11-02 22:45:57,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2544 states, 2543 states have (on average 1.4628391663389697) internal successors, (3720), 2543 states have internal predecessors, (3720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:57,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 3720 transitions. [2021-11-02 22:45:57,964 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 3720 transitions. Word has length 90 [2021-11-02 22:45:57,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:45:57,964 INFO L470 AbstractCegarLoop]: Abstraction has 2544 states and 3720 transitions. [2021-11-02 22:45:57,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:57,965 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 3720 transitions. [2021-11-02 22:45:57,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-02 22:45:57,971 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:45:57,972 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:45:57,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-02 22:45:57,972 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:45:57,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:45:57,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1009416979, now seen corresponding path program 1 times [2021-11-02 22:45:57,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:45:57,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518383539] [2021-11-02 22:45:57,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:45:57,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:45:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:45:58,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-02 22:45:58,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:45:58,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518383539] [2021-11-02 22:45:58,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518383539] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:45:58,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881104729] [2021-11-02 22:45:58,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:45:58,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:45:58,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:45:58,126 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:45:58,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-02 22:45:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:45:58,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 1082 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-02 22:45:58,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:45:59,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-02 22:45:59,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881104729] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:45:59,027 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:45:59,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-11-02 22:45:59,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278469555] [2021-11-02 22:45:59,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-02 22:45:59,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:45:59,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 22:45:59,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:45:59,029 INFO L87 Difference]: Start difference. First operand 2544 states and 3720 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:01,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:46:01,154 INFO L93 Difference]: Finished difference Result 8333 states and 12156 transitions. [2021-11-02 22:46:01,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:46:01,154 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-11-02 22:46:01,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:46:01,162 INFO L225 Difference]: With dead ends: 8333 [2021-11-02 22:46:01,163 INFO L226 Difference]: Without dead ends: 5814 [2021-11-02 22:46:01,167 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:46:01,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5814 states. [2021-11-02 22:46:01,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5814 to 2558. [2021-11-02 22:46:01,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2558 states, 2557 states have (on average 1.462651544779038) internal successors, (3740), 2557 states have internal predecessors, (3740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:01,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2558 states and 3740 transitions. [2021-11-02 22:46:01,957 INFO L78 Accepts]: Start accepts. Automaton has 2558 states and 3740 transitions. Word has length 95 [2021-11-02 22:46:01,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:46:01,957 INFO L470 AbstractCegarLoop]: Abstraction has 2558 states and 3740 transitions. [2021-11-02 22:46:01,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:01,958 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 3740 transitions. [2021-11-02 22:46:01,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-02 22:46:01,964 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:46:01,964 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2021-11-02 22:46:02,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-02 22:46:02,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:46:02,192 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:46:02,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:46:02,193 INFO L85 PathProgramCache]: Analyzing trace with hash -855956460, now seen corresponding path program 1 times [2021-11-02 22:46:02,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:46:02,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533749844] [2021-11-02 22:46:02,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:46:02,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:46:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:46:02,767 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:46:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:46:03,499 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:46:03,499 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-02 22:46:03,500 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 22:46:03,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-02 22:46:03,508 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:46:03,511 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-02 22:46:03,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 10:46:03 BoogieIcfgContainer [2021-11-02 22:46:03,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 22:46:03,782 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:46:03,782 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:46:03,782 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:46:03,783 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:39:11" (3/4) ... [2021-11-02 22:46:03,787 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-02 22:46:03,787 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:46:03,788 INFO L168 Benchmark]: Toolchain (without parser) took 420214.56 ms. Allocated memory was 88.1 MB in the beginning and 1.1 GB in the end (delta: 975.2 MB). Free memory was 41.2 MB in the beginning and 360.3 MB in the end (delta: -319.0 MB). Peak memory consumption was 657.2 MB. Max. memory is 16.1 GB. [2021-11-02 22:46:03,789 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory was 67.0 MB in the beginning and 67.0 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:46:03,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1995.48 ms. Allocated memory was 88.1 MB in the beginning and 144.7 MB in the end (delta: 56.6 MB). Free memory was 41.0 MB in the beginning and 78.7 MB in the end (delta: -37.7 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. [2021-11-02 22:46:03,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 306.44 ms. Allocated memory is still 144.7 MB. Free memory was 78.7 MB in the beginning and 77.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2021-11-02 22:46:03,790 INFO L168 Benchmark]: Boogie Preprocessor took 310.82 ms. Allocated memory is still 144.7 MB. Free memory was 77.2 MB in the beginning and 73.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 44.3 MB. Max. memory is 16.1 GB. [2021-11-02 22:46:03,791 INFO L168 Benchmark]: RCFGBuilder took 5226.14 ms. Allocated memory was 144.7 MB in the beginning and 289.4 MB in the end (delta: 144.7 MB). Free memory was 73.1 MB in the beginning and 149.8 MB in the end (delta: -76.7 MB). Peak memory consumption was 104.6 MB. Max. memory is 16.1 GB. [2021-11-02 22:46:03,792 INFO L168 Benchmark]: TraceAbstraction took 412362.51 ms. Allocated memory was 289.4 MB in the beginning and 1.1 GB in the end (delta: 773.8 MB). Free memory was 149.8 MB in the beginning and 361.3 MB in the end (delta: -211.5 MB). Peak memory consumption was 561.3 MB. Max. memory is 16.1 GB. [2021-11-02 22:46:03,792 INFO L168 Benchmark]: Witness Printer took 5.20 ms. Allocated memory is still 1.1 GB. Free memory was 361.3 MB in the beginning and 360.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:46:03,794 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory was 67.0 MB in the beginning and 67.0 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1995.48 ms. Allocated memory was 88.1 MB in the beginning and 144.7 MB in the end (delta: 56.6 MB). Free memory was 41.0 MB in the beginning and 78.7 MB in the end (delta: -37.7 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 306.44 ms. Allocated memory is still 144.7 MB. Free memory was 78.7 MB in the beginning and 77.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 310.82 ms. Allocated memory is still 144.7 MB. Free memory was 77.2 MB in the beginning and 73.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 44.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5226.14 ms. Allocated memory was 144.7 MB in the beginning and 289.4 MB in the end (delta: 144.7 MB). Free memory was 73.1 MB in the beginning and 149.8 MB in the end (delta: -76.7 MB). Peak memory consumption was 104.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 412362.51 ms. Allocated memory was 289.4 MB in the beginning and 1.1 GB in the end (delta: 773.8 MB). Free memory was 149.8 MB in the beginning and 361.3 MB in the end (delta: -211.5 MB). Peak memory consumption was 561.3 MB. Max. memory is 16.1 GB. * Witness Printer took 5.20 ms. Allocated memory is still 1.1 GB. Free memory was 361.3 MB in the beginning and 360.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 7129]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 4873, overapproximation of bitwiseAnd at line 4735. Possible FailurePath: [L5034] static struct net_device **slip_devs ; [L5035] static int slip_maxdev = 256; [L5850-L5853] static struct net_device_ops const sl_netdev_ops = {& sl_init, & sl_uninit, & sl_open, & sl_close, & sl_xmit, 0, 0, 0, 0, 0, 0, & sl_ioctl, 0, & sl_change_mtu, 0, & sl_tx_timeout, & sl_get_stats64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L6723-L6726] static struct tty_ldisc_ops sl_ldisc = {21507, (char *)"slip", 0, 0, & slip_open, & slip_close, 0, 0, 0, 0, & slip_ioctl, & slip_compat_ioctl, 0, 0, & slip_hangup, & slip_receive_buf, & slip_write_wakeup, 0, & __this_module, 0}; [L6910] int LDV_IN_INTERRUPT ; VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=0, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={0:0}, slip_maxdev=256] [L6913] int res_sl_init_14 ; [L6914] int res_sl_open_11 ; [L6915] int res_sl_close_10 ; [L6916] struct sk_buff *var_group2 ; [L6917] struct rtnl_link_stats64 var_group3 ; [L6918] int var_sl_change_mtu_12_p1 ; [L6919] struct ifreq var_group4 ; [L6920] int var_sl_ioctl_30_p2 ; [L6921] struct tty_struct var_group5 ; [L6922] int res_slip_open_21 ; [L6923] struct file *var_group6 ; [L6924] unsigned int var_slip_ioctl_28_p2 ; [L6925] unsigned long var_slip_ioctl_28_p3 ; [L6926] unsigned int var_slip_compat_ioctl_29_p2 ; [L6927] unsigned long var_slip_compat_ioctl_29_p3 ; [L6928] unsigned char const *var_slip_receive_buf_18_p1 ; [L6929] char *var_slip_receive_buf_18_p2 ; [L6930] int var_slip_receive_buf_18_p3 ; [L6931] unsigned long var_sl_keepalive_34_p0 ; [L6932] unsigned long var_sl_outfill_33_p0 ; [L6933] int ldv_s_sl_netdev_ops_net_device_ops ; [L6934] int ldv_s_sl_ldisc_tty_ldisc_ops ; [L6935] int tmp ; [L6936] int tmp___0 ; [L6937] int tmp___1 ; [L4847] COND FALSE !(__VERIFIER_nondet_int()) [L4852] return ((void *)0); VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=0, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={0:0}, slip_maxdev=256] [L7186] return ldv_malloc(sizeof(struct sk_buff)); [L6939] var_group2 = dev_alloc_skb(1U) [L6940] ldv_s_sl_netdev_ops_net_device_ops = 0 [L6941] ldv_s_sl_ldisc_tty_ldisc_ops = 0 [L6942] LDV_IN_INTERRUPT = 1 VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={0:0}, slip_maxdev=256] [L6729] int status ; [L6730] void *tmp ; VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={0:0}, slip_maxdev=256] [L6732] COND FALSE !(slip_maxdev <= 3) VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={0:0}, slip_maxdev=256] [L4871] void *tmp ; [L4862] void *tmp___2 ; [L4847] COND TRUE __VERIFIER_nondet_int() [L4848] void *res = malloc(size); [L4843] return ((unsigned long)ptr > ((unsigned long)-4095)); VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={0:0}, slip_maxdev=256] [L4838] COND FALSE !(!cond) VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={0:0}, slip_maxdev=256] [L4850] return res; VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={0:0}, slip_maxdev=256] [L4857] return ldv_malloc(size); [L4864] tmp___2 = __kmalloc(size, flags) [L4865] return (tmp___2); VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={0:0}, slip_maxdev=256] [L4873] tmp = kmalloc(size, flags | 32768U) [L4874] return (tmp); VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={0:0}, slip_maxdev=256] [L6740] tmp = kzalloc((unsigned long )slip_maxdev * 8UL, 208U) [L6741] slip_devs = (struct net_device **)tmp VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L6742] COND FALSE !((unsigned long )slip_devs == (unsigned long )((struct net_device **)0)) [L7287] return __VERIFIER_nondet_int(); [L6747] status = tty_register_ldisc(1, & sl_ldisc) [L6748] COND FALSE !(status != 0) VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L6753] return (status); VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L6945] tmp = slip_init() [L6946] COND FALSE !(tmp != 0) VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L7076] tmp___1 = __VERIFIER_nondet_int() [L7077] COND TRUE (tmp___1 != 0 || ldv_s_sl_netdev_ops_net_device_ops != 0) || ldv_s_sl_ldisc_tty_ldisc_ops != 0 VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L6952] tmp___0 = __VERIFIER_nondet_int() [L6954] case 0: [L6967] case 1: [L6980] case 2: [L6993] case 3: [L7001] case 4: [L7005] case 5: [L7009] case 6: [L7013] case 7: [L7017] case 8: [L7021] case 9: VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L7022] COND TRUE ldv_s_sl_ldisc_tty_ldisc_ops == 0 VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L7117] ldv_func_ret_type___1 ldv_func_res ; [L7118] int tmp ; [L6037] struct slip *sl ; [L6038] int err ; [L6039] int tmp ; [L6040] dev_t tmp___0 ; [L6041] struct task_struct *tmp___1 ; [L6042] int tmp___2 ; [L7172] return __VERIFIER_nondet_int(); [L6044] tmp = capable(12) [L6045] COND FALSE !(tmp == 0) [L6049] EXPR tty->ops [L6049] EXPR (tty->ops)->write VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L6049-L6051] COND FALSE !((unsigned long )(tty->ops)->write == (unsigned long )((int (* )(struct tty_struct * , unsigned char const * , int ))0)) [L5925] int i ; [L5926] struct net_device *dev ; [L5927] struct slip *sl ; [L5928] void *tmp ; [L5930] i = 0 VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L5951] COND TRUE i < slip_maxdev VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L5933] EXPR slip_devs + (unsigned long )i [L5933] dev = *(slip_devs + (unsigned long )i) [L5934] COND FALSE !((unsigned long )dev == (unsigned long )((struct net_device *)0)) [L4903] return ((void *)dev + 2496U); VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L5938] tmp = netdev_priv((struct net_device const *)dev) [L5939] sl = (struct slip *)tmp [L5940] EXPR sl->tty [L5940] (unsigned long )sl->tty != (unsigned long )((struct tty_struct *)0) || (unsigned int )sl->leased != 0U [L5940] EXPR sl->leased [L5940] (unsigned long )sl->tty != (unsigned long )((struct tty_struct *)0) || (unsigned int )sl->leased != 0U VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L5940] COND TRUE (unsigned long )sl->tty != (unsigned long )((struct tty_struct *)0) || (unsigned int )sl->leased != 0U [L5949] i = i + 1 VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L5951] COND TRUE i < slip_maxdev VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L5933] EXPR slip_devs + (unsigned long )i [L5933] dev = *(slip_devs + (unsigned long )i) [L5934] COND TRUE (unsigned long )dev == (unsigned long )((struct net_device *)0) VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L6057] EXPR tty->disc_data [L6057] sl = (struct slip *)tty->disc_data [L6058] err = -17 [L6059] (unsigned long )sl != (unsigned long )((struct slip *)0) && sl->magic == 21250 [L6059] EXPR sl->magic [L6059] (unsigned long )sl != (unsigned long )((struct slip *)0) && sl->magic == 21250 VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L6059] COND FALSE !((unsigned long )sl != (unsigned long )((struct slip *)0) && sl->magic == 21250) [L6063] err = -23 [L7276] return __VERIFIER_nondet_uint(); [L6064] tmp___0 = tty_devnum(tty) [L5961] int i ; [L5962] struct net_device *dev ; [L5963] struct slip *sl ; [L5964] void *tmp ; [L5965] int tmp___0 ; [L5966] char name[16U] ; [L5967] void *tmp___1 ; [L5968] struct lock_class_key __key ; [L5969] struct lock_class_key __key___0 ; [L5970] struct lock_class_key __key___1 ; [L5972] dev = 0 VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L5973] COND FALSE !((unsigned long )slip_devs == (unsigned long )((struct net_device **)0)) [L5977] i = 0 VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L5987] COND TRUE i < slip_maxdev VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L5980] EXPR slip_devs + (unsigned long )i [L5980] dev = *(slip_devs + (unsigned long )i) [L5981] COND FALSE !((unsigned long )dev == (unsigned long )((struct net_device *)0)) [L5985] i = i + 1 VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L5987] COND TRUE i < slip_maxdev VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L5980] EXPR slip_devs + (unsigned long )i [L5980] dev = *(slip_devs + (unsigned long )i) [L5981] COND TRUE (unsigned long )dev == (unsigned long )((struct net_device *)0) VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L5992] COND FALSE !(i >= slip_maxdev) VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L5996] COND FALSE !((unsigned long )dev != (unsigned long )((struct net_device *)0)) VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L6008] COND TRUE (unsigned long )dev == (unsigned long )((struct net_device *)0) [L4847] COND TRUE __VERIFIER_nondet_int() [L4848] void *res = malloc(size); [L4843] return ((unsigned long)ptr > ((unsigned long)-4095)); VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L4838] COND FALSE !(!cond) VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L4850] return res; VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L7168] return ldv_malloc(sizeof(struct net_device)); [L6010] dev = alloc_netdev_mqs(472, (char const *)(& name), & sl_setup, 1U, 1U) [L6011] COND FALSE !((unsigned long )dev == (unsigned long )((struct net_device *)0)) [L6015] dev->base_addr = (unsigned long )i VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L4903] return ((void *)dev + 2496U); VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L6018] tmp___1 = netdev_priv((struct net_device const *)dev) [L6019] sl = (struct slip *)tmp___1 [L6020] sl->magic = 21250 [L6021] sl->dev = dev [L4778] return (& lock->ldv_5934.rlock); VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L6024] sl->mode = 8U [L6026] sl->keepalive_timer.data = (unsigned long )sl [L6027] sl->keepalive_timer.function = & sl_keepalive [L6029] sl->outfill_timer.data = (unsigned long )sl [L6030] sl->outfill_timer.function = & sl_outfill [L6031] *(slip_devs + (unsigned long )i) = dev [L6032] return (sl); [L6032] return (sl); [L6032] return (sl); [L6032] return (sl); [L6032] return (sl); VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L6065] sl = sl_alloc(tmp___0) [L6066] COND FALSE !((unsigned long )sl == (unsigned long )((struct slip *)0)) [L6070] sl->tty = tty [L6071] tty->disc_data = (void *)sl [L7276] return __VERIFIER_nondet_uint(); [L6072] sl->line = tty_devnum(tty) [L4746] struct task_struct *pfo_ret__ ; [L4749] case 1UL: [L4752] case 2UL: [L4755] case 4UL: [L4758] case 8UL: VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L4765] return (pfo_ret__); VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L6073] tmp___1 = get_current() [L6074] EXPR tmp___1->pid [L6074] sl->pid = tmp___1->pid [L4735] EXPR addr + (unsigned long )(nr / 64U) [L4735] return ((int )((unsigned long )*(addr + (unsigned long )(nr / 64U)) >> ((int )nr & 63)) & 1); [L6075] tmp___2 = constant_test_bit(0U, (unsigned long const volatile *)(& sl->flags)) [L6076] COND FALSE !(tmp___2 == 0) VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L6090] EXPR sl->keepalive VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L6090] COND FALSE !((unsigned int )sl->keepalive != 0U) [L6095] EXPR sl->outfill VAL [__this_module={18446744073709551534:18446744073709551537}, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L6095] COND TRUE (unsigned int )sl->outfill != 0U [L6096] EXPR sl->outfill [L6096] sl->outfill_timer.expires = (unsigned long )((int )sl->outfill * 250) + (unsigned long )jiffies [L6101] tty->receive_room = 65536U [L6102] EXPR sl->dev [L6102] EXPR (sl->dev)->base_addr [L6102] return ((int )(sl->dev)->base_addr); [L7120] tmp = slip_open(tty) [L7121] ldv_func_res = tmp [L7135] COND FALSE !(ret_val <= 0) VAL [__this_module={18446744073709551534:18446744073709551537}, jiffies=0, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] [L7129] reach_error() VAL [__this_module={18446744073709551534:18446744073709551537}, jiffies=0, LDV_IN_INTERRUPT=1, sl_ldisc={53:0}, sl_netdev_ops={67:0}, slip_devs={-18446744073709555711:0}, slip_maxdev=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1042 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 412.0s, OverallIterations: 20, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 394.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 61908 SDtfs, 196958 SDslu, 414840 SDs, 0 SdLazy, 49457 SolverSat, 1695 SolverUnsat, 73 SolverUnknown, 0 SolverNotchecked, 322.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 785 GetRequests, 275 SyntacticMatches, 4 SemanticMatches, 506 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23907 ImplicationChecksByTransitivity, 28.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2558occurred in iteration=19, InterpolantAutomatonStates: 472, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.2s AutomataMinimizationTime, 19 MinimizatonAttempts, 81281 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 1651 NumberOfCodeBlocks, 1645 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1532 ConstructedInterpolants, 0 QuantifiedInterpolants, 6697 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2700 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 22 InterpolantComputations, 17 PerfectInterpolantSequences, 20/29 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-02 22:46:03,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU --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 03b59b42cc833f5b28fc5dc7cc6711355c533ad94229ba44874c6d4d186d9dcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:46:06,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:46:06,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:46:06,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:46:06,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:46:06,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:46:06,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:46:06,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:46:06,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:46:06,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:46:06,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:46:06,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:46:06,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:46:06,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:46:06,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:46:06,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:46:06,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:46:06,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:46:06,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:46:06,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:46:06,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:46:06,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:46:06,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:46:06,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:46:06,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:46:06,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:46:06,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:46:06,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:46:06,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:46:06,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:46:06,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:46:06,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:46:06,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:46:06,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:46:06,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:46:06,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:46:06,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:46:06,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:46:06,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:46:06,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:46:06,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:46:06,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-02 22:46:06,711 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:46:06,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:46:06,712 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:46:06,712 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:46:06,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:46:06,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:46:06,716 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:46:06,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:46:06,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:46:06,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:46:06,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:46:06,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:46:06,720 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-02 22:46:06,721 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-02 22:46:06,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:46:06,722 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:46:06,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:46:06,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:46:06,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:46:06,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:46:06,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:46:06,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:46:06,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:46:06,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:46:06,725 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-02 22:46:06,725 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-02 22:46:06,726 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:46:06,727 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 22:46:06,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:46:06,727 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:46:06,728 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-02 22:46:06,728 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_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03b59b42cc833f5b28fc5dc7cc6711355c533ad94229ba44874c6d4d186d9dcb [2021-11-02 22:46:07,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:46:07,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:46:07,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:46:07,212 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:46:07,213 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:46:07,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2021-11-02 22:46:07,296 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/data/bbf982522/8c95763558a742b788b39f8a48c98839/FLAGcee417241 [2021-11-02 22:46:08,303 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:46:08,305 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2021-11-02 22:46:08,361 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/data/bbf982522/8c95763558a742b788b39f8a48c98839/FLAGcee417241 [2021-11-02 22:46:08,782 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/data/bbf982522/8c95763558a742b788b39f8a48c98839 [2021-11-02 22:46:08,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:46:08,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:46:08,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:46:08,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:46:08,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:46:08,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:46:08" (1/1) ... [2021-11-02 22:46:08,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bdea926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:46:08, skipping insertion in model container [2021-11-02 22:46:08,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:46:08" (1/1) ... [2021-11-02 22:46:08,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:46:08,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:46:10,386 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i[202861,202874] [2021-11-02 22:46:10,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:46:10,479 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:46:10,932 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i[202861,202874] [2021-11-02 22:46:10,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:46:11,077 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:46:11,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:46:11 WrapperNode [2021-11-02 22:46:11,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:46:11,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:46:11,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:46:11,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:46:11,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:46:11" (1/1) ... [2021-11-02 22:46:11,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:46:11" (1/1) ... [2021-11-02 22:46:11,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:46:11,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:46:11,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:46:11,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:46:11,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:46:11" (1/1) ... [2021-11-02 22:46:11,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:46:11" (1/1) ... [2021-11-02 22:46:11,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:46:11" (1/1) ... [2021-11-02 22:46:11,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:46:11" (1/1) ... [2021-11-02 22:46:11,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:46:11" (1/1) ... [2021-11-02 22:46:11,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:46:11" (1/1) ... [2021-11-02 22:46:11,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:46:11" (1/1) ... [2021-11-02 22:46:11,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:46:11,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:46:11,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:46:11,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:46:11,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:46:11" (1/1) ... [2021-11-02 22:46:11,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:46:11,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:46:11,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:46:11,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:46:11,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-02 22:46:11,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-02 22:46:11,886 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-02 22:46:11,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-02 22:46:11,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-02 22:46:11,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-02 22:46:11,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-02 22:46:11,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-02 22:46:11,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-02 22:46:11,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-02 22:46:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 22:46:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 22:46:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:46:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-02 22:46:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-02 22:46:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-02 22:46:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-02 22:46:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 22:46:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-02 22:46:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-02 22:46:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-02 22:46:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:46:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-02 22:46:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 22:46:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-02 22:46:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-02 22:46:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-02 22:46:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:46:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:46:29,097 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:46:29,098 INFO L299 CfgBuilder]: Removed 972 assume(true) statements. [2021-11-02 22:46:29,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:46:29 BoogieIcfgContainer [2021-11-02 22:46:29,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:46:29,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:46:29,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:46:29,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:46:29,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:46:08" (1/3) ... [2021-11-02 22:46:29,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@852a36a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:46:29, skipping insertion in model container [2021-11-02 22:46:29,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:46:11" (2/3) ... [2021-11-02 22:46:29,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@852a36a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:46:29, skipping insertion in model container [2021-11-02 22:46:29,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:46:29" (3/3) ... [2021-11-02 22:46:29,113 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2021-11-02 22:46:29,119 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:46:29,119 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-02 22:46:29,195 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 22:46:29,210 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-02 22:46:29,210 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-02 22:46:29,256 INFO L276 IsEmpty]: Start isEmpty. Operand has 1042 states, 1040 states have (on average 1.4942307692307693) internal successors, (1554), 1041 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:29,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-02 22:46:29,266 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:46:29,267 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:46:29,267 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:46:29,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:46:29,273 INFO L85 PathProgramCache]: Analyzing trace with hash -864679343, now seen corresponding path program 1 times [2021-11-02 22:46:29,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 22:46:29,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1294575003] [2021-11-02 22:46:29,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:46:29,288 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 22:46:29,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat [2021-11-02 22:46:29,290 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 22:46:29,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-02 22:46:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:46:29,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 22:46:29,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:46:30,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:46:30,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 22:46:30,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:46:30,671 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 22:46:30,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1294575003] [2021-11-02 22:46:30,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1294575003] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 22:46:30,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:46:30,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-02 22:46:30,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402139128] [2021-11-02 22:46:30,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:46:30,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 22:46:30,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:46:30,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:46:30,703 INFO L87 Difference]: Start difference. First operand has 1042 states, 1040 states have (on average 1.4942307692307693) internal successors, (1554), 1041 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:30,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:46:30,958 INFO L93 Difference]: Finished difference Result 2079 states and 3101 transitions. [2021-11-02 22:46:30,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:46:30,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-02 22:46:30,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:46:30,986 INFO L225 Difference]: With dead ends: 2079 [2021-11-02 22:46:30,986 INFO L226 Difference]: Without dead ends: 1011 [2021-11-02 22:46:30,997 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:46:31,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2021-11-02 22:46:31,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 1011. [2021-11-02 22:46:31,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1011 states, 1010 states have (on average 1.4772277227722772) internal successors, (1492), 1010 states have internal predecessors, (1492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:31,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1492 transitions. [2021-11-02 22:46:31,146 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1492 transitions. Word has length 36 [2021-11-02 22:46:31,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:46:31,147 INFO L470 AbstractCegarLoop]: Abstraction has 1011 states and 1492 transitions. [2021-11-02 22:46:31,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:31,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1492 transitions. [2021-11-02 22:46:31,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-02 22:46:31,158 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:46:31,159 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:46:31,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:46:31,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 [2021-11-02 22:46:31,385 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:46:31,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:46:31,386 INFO L85 PathProgramCache]: Analyzing trace with hash -842047089, now seen corresponding path program 1 times [2021-11-02 22:46:31,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 22:46:31,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [811757840] [2021-11-02 22:46:31,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:46:31,388 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 22:46:31,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat [2021-11-02 22:46:31,389 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 22:46:31,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-02 22:46:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:46:31,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-02 22:46:31,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:46:32,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:46:32,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 22:46:32,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:46:32,398 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 22:46:32,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [811757840] [2021-11-02 22:46:32,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [811757840] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 22:46:32,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:46:32,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-02 22:46:32,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876797361] [2021-11-02 22:46:32,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 22:46:32,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 22:46:32,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 22:46:32,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:46:32,403 INFO L87 Difference]: Start difference. First operand 1011 states and 1492 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:32,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:46:32,539 INFO L93 Difference]: Finished difference Result 1999 states and 2957 transitions. [2021-11-02 22:46:32,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:46:32,540 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-02 22:46:32,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:46:32,548 INFO L225 Difference]: With dead ends: 1999 [2021-11-02 22:46:32,549 INFO L226 Difference]: Without dead ends: 1011 [2021-11-02 22:46:32,551 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:46:32,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2021-11-02 22:46:32,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 1011. [2021-11-02 22:46:32,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1011 states, 1010 states have (on average 1.4762376237623762) internal successors, (1491), 1010 states have internal predecessors, (1491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:32,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1491 transitions. [2021-11-02 22:46:32,600 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1491 transitions. Word has length 36 [2021-11-02 22:46:32,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:46:32,601 INFO L470 AbstractCegarLoop]: Abstraction has 1011 states and 1491 transitions. [2021-11-02 22:46:32,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:32,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1491 transitions. [2021-11-02 22:46:32,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-02 22:46:32,603 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:46:32,603 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:46:32,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-02 22:46:32,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 [2021-11-02 22:46:32,821 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:46:32,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:46:32,822 INFO L85 PathProgramCache]: Analyzing trace with hash 44746728, now seen corresponding path program 1 times [2021-11-02 22:46:32,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 22:46:32,823 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [897716544] [2021-11-02 22:46:32,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:46:32,824 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 22:46:32,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat [2021-11-02 22:46:32,826 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 22:46:32,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-02 22:46:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:46:33,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-02 22:46:33,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:46:33,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:46:33,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 22:46:34,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:46:34,563 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 22:46:34,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [897716544] [2021-11-02 22:46:34,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [897716544] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 22:46:34,564 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:46:34,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-02 22:46:34,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997196455] [2021-11-02 22:46:34,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-02 22:46:34,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 22:46:34,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-02 22:46:34,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-02 22:46:34,567 INFO L87 Difference]: Start difference. First operand 1011 states and 1491 transitions. Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:41,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:46:41,640 INFO L93 Difference]: Finished difference Result 8366 states and 12465 transitions. [2021-11-02 22:46:41,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-02 22:46:41,645 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-02 22:46:41,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:46:41,697 INFO L225 Difference]: With dead ends: 8366 [2021-11-02 22:46:41,697 INFO L226 Difference]: Without dead ends: 7370 [2021-11-02 22:46:41,702 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=145, Invalid=361, Unknown=0, NotChecked=0, Total=506 [2021-11-02 22:46:41,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7370 states. [2021-11-02 22:46:41,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7370 to 1972. [2021-11-02 22:46:41,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1972 states, 1971 states have (on average 1.4814814814814814) internal successors, (2920), 1971 states have internal predecessors, (2920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:41,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1972 states and 2920 transitions. [2021-11-02 22:46:41,968 INFO L78 Accepts]: Start accepts. Automaton has 1972 states and 2920 transitions. Word has length 39 [2021-11-02 22:46:41,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:46:41,969 INFO L470 AbstractCegarLoop]: Abstraction has 1972 states and 2920 transitions. [2021-11-02 22:46:41,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:41,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2920 transitions. [2021-11-02 22:46:41,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-02 22:46:41,973 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:46:41,973 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:46:41,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-02 22:46:42,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 [2021-11-02 22:46:42,191 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:46:42,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:46:42,191 INFO L85 PathProgramCache]: Analyzing trace with hash 713639092, now seen corresponding path program 1 times [2021-11-02 22:46:42,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 22:46:42,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826795006] [2021-11-02 22:46:42,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:46:42,193 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 22:46:42,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat [2021-11-02 22:46:42,195 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 22:46:42,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-02 22:46:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:46:42,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-02 22:46:42,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:46:43,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:46:43,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 22:46:43,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:46:43,157 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 22:46:43,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826795006] [2021-11-02 22:46:43,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826795006] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 22:46:43,158 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:46:43,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-02 22:46:43,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334510103] [2021-11-02 22:46:43,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 22:46:43,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 22:46:43,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 22:46:43,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:46:43,161 INFO L87 Difference]: Start difference. First operand 1972 states and 2920 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:43,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:46:43,931 INFO L93 Difference]: Finished difference Result 6659 states and 9888 transitions. [2021-11-02 22:46:43,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-02 22:46:43,933 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-11-02 22:46:43,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:46:43,975 INFO L225 Difference]: With dead ends: 6659 [2021-11-02 22:46:43,976 INFO L226 Difference]: Without dead ends: 6657 [2021-11-02 22:46:43,978 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-11-02 22:46:43,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6657 states. [2021-11-02 22:46:44,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6657 to 1976. [2021-11-02 22:46:44,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1976 states, 1975 states have (on average 1.480506329113924) internal successors, (2924), 1975 states have internal predecessors, (2924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:44,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1976 states and 2924 transitions. [2021-11-02 22:46:44,234 INFO L78 Accepts]: Start accepts. Automaton has 1976 states and 2924 transitions. Word has length 42 [2021-11-02 22:46:44,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:46:44,234 INFO L470 AbstractCegarLoop]: Abstraction has 1976 states and 2924 transitions. [2021-11-02 22:46:44,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:44,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2924 transitions. [2021-11-02 22:46:44,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-02 22:46:44,237 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:46:44,237 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:46:44,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-02 22:46:44,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 [2021-11-02 22:46:44,453 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:46:44,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:46:44,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1808756799, now seen corresponding path program 1 times [2021-11-02 22:46:44,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 22:46:44,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [461700366] [2021-11-02 22:46:44,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:46:44,455 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 22:46:44,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat [2021-11-02 22:46:44,460 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 22:46:44,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-02 22:46:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:46:45,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-02 22:46:45,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:46:45,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:46:45,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 22:46:45,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:46:45,931 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 22:46:45,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [461700366] [2021-11-02 22:46:45,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [461700366] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 22:46:45,932 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:46:45,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-02 22:46:45,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55432671] [2021-11-02 22:46:45,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 22:46:45,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 22:46:45,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 22:46:45,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:46:45,934 INFO L87 Difference]: Start difference. First operand 1976 states and 2924 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:50,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:46:50,714 INFO L93 Difference]: Finished difference Result 7813 states and 11591 transitions. [2021-11-02 22:46:50,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:46:50,715 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-02 22:46:50,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:46:50,754 INFO L225 Difference]: With dead ends: 7813 [2021-11-02 22:46:50,755 INFO L226 Difference]: Without dead ends: 5862 [2021-11-02 22:46:50,759 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:46:50,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5862 states. [2021-11-02 22:46:51,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5862 to 1996. [2021-11-02 22:46:51,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1996 states, 1995 states have (on average 1.4796992481203008) internal successors, (2952), 1995 states have internal predecessors, (2952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:51,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1996 states to 1996 states and 2952 transitions. [2021-11-02 22:46:51,022 INFO L78 Accepts]: Start accepts. Automaton has 1996 states and 2952 transitions. Word has length 49 [2021-11-02 22:46:51,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:46:51,022 INFO L470 AbstractCegarLoop]: Abstraction has 1996 states and 2952 transitions. [2021-11-02 22:46:51,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:51,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1996 states and 2952 transitions. [2021-11-02 22:46:51,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-02 22:46:51,024 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:46:51,024 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:46:51,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-02 22:46:51,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 [2021-11-02 22:46:51,242 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:46:51,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:46:51,242 INFO L85 PathProgramCache]: Analyzing trace with hash 287427040, now seen corresponding path program 1 times [2021-11-02 22:46:51,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 22:46:51,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1400838491] [2021-11-02 22:46:51,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:46:51,244 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 22:46:51,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat [2021-11-02 22:46:51,246 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 22:46:51,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-02 22:46:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:46:51,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-02 22:46:51,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:46:51,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:46:51,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 22:46:52,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:46:52,187 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 22:46:52,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1400838491] [2021-11-02 22:46:52,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1400838491] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 22:46:52,188 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:46:52,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-02 22:46:52,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245519353] [2021-11-02 22:46:52,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-02 22:46:52,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 22:46:52,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-02 22:46:52,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-02 22:46:52,191 INFO L87 Difference]: Start difference. First operand 1996 states and 2952 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:53,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:46:53,627 INFO L93 Difference]: Finished difference Result 9962 states and 14800 transitions. [2021-11-02 22:46:53,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-02 22:46:53,628 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-02 22:46:53,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:46:53,669 INFO L225 Difference]: With dead ends: 9962 [2021-11-02 22:46:53,669 INFO L226 Difference]: Without dead ends: 9960 [2021-11-02 22:46:53,673 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2021-11-02 22:46:53,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9960 states. [2021-11-02 22:46:54,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9960 to 1998. [2021-11-02 22:46:54,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1998 states, 1997 states have (on average 1.4792188282423635) internal successors, (2954), 1997 states have internal predecessors, (2954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:54,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 1998 states and 2954 transitions. [2021-11-02 22:46:54,053 INFO L78 Accepts]: Start accepts. Automaton has 1998 states and 2954 transitions. Word has length 51 [2021-11-02 22:46:54,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:46:54,054 INFO L470 AbstractCegarLoop]: Abstraction has 1998 states and 2954 transitions. [2021-11-02 22:46:54,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:54,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1998 states and 2954 transitions. [2021-11-02 22:46:54,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-02 22:46:54,057 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:46:54,058 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:46:54,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-02 22:46:54,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 [2021-11-02 22:46:54,273 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:46:54,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:46:54,273 INFO L85 PathProgramCache]: Analyzing trace with hash -755149405, now seen corresponding path program 1 times [2021-11-02 22:46:54,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 22:46:54,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1187150929] [2021-11-02 22:46:54,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:46:54,274 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 22:46:54,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat [2021-11-02 22:46:54,275 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 22:46:54,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-02 22:46:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:46:54,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 22:46:54,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:46:55,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:46:55,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 22:46:55,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:46:55,716 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 22:46:55,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1187150929] [2021-11-02 22:46:55,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1187150929] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 22:46:55,716 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:46:55,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-02 22:46:55,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084045352] [2021-11-02 22:46:55,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:46:55,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 22:46:55,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:46:55,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:46:55,718 INFO L87 Difference]: Start difference. First operand 1998 states and 2954 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:58,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:46:58,339 INFO L93 Difference]: Finished difference Result 2000 states and 2955 transitions. [2021-11-02 22:46:58,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:46:58,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-02 22:46:58,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:46:58,352 INFO L225 Difference]: With dead ends: 2000 [2021-11-02 22:46:58,352 INFO L226 Difference]: Without dead ends: 1024 [2021-11-02 22:46:58,354 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:46:58,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2021-11-02 22:46:58,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 1024. [2021-11-02 22:46:58,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1024 states, 1023 states have (on average 1.4721407624633431) internal successors, (1506), 1023 states have internal predecessors, (1506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:58,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1506 transitions. [2021-11-02 22:46:58,517 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1506 transitions. Word has length 65 [2021-11-02 22:46:58,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:46:58,518 INFO L470 AbstractCegarLoop]: Abstraction has 1024 states and 1506 transitions. [2021-11-02 22:46:58,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:58,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1506 transitions. [2021-11-02 22:46:58,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-02 22:46:58,521 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:46:58,521 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:46:58,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-02 22:46:58,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 [2021-11-02 22:46:58,736 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:46:58,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:46:58,736 INFO L85 PathProgramCache]: Analyzing trace with hash -436055095, now seen corresponding path program 1 times [2021-11-02 22:46:58,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 22:46:58,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596425661] [2021-11-02 22:46:58,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:46:58,737 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 22:46:58,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat [2021-11-02 22:46:58,738 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 22:46:58,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-02 22:46:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:46:59,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-02 22:46:59,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:46:59,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:46:59,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 22:47:00,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:47:00,291 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 22:47:00,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596425661] [2021-11-02 22:47:00,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [596425661] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 22:47:00,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:47:00,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-02 22:47:00,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773111261] [2021-11-02 22:47:00,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 22:47:00,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 22:47:00,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 22:47:00,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:47:00,295 INFO L87 Difference]: Start difference. First operand 1024 states and 1506 transitions. Second operand has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:47:03,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:47:03,113 INFO L93 Difference]: Finished difference Result 3998 states and 5914 transitions. [2021-11-02 22:47:03,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:47:03,114 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-02 22:47:03,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:47:03,120 INFO L225 Difference]: With dead ends: 3998 [2021-11-02 22:47:03,120 INFO L226 Difference]: Without dead ends: 2999 [2021-11-02 22:47:03,122 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:47:03,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2999 states. [2021-11-02 22:47:03,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2999 to 1029. [2021-11-02 22:47:03,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 1028 states have (on average 1.4708171206225682) internal successors, (1512), 1028 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:47:03,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1512 transitions. [2021-11-02 22:47:03,283 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1512 transitions. Word has length 67 [2021-11-02 22:47:03,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:47:03,283 INFO L470 AbstractCegarLoop]: Abstraction has 1029 states and 1512 transitions. [2021-11-02 22:47:03,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:47:03,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1512 transitions. [2021-11-02 22:47:03,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-02 22:47:03,287 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:47:03,287 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-02 22:47:03,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-02 22:47:03,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 [2021-11-02 22:47:03,508 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:47:03,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:47:03,509 INFO L85 PathProgramCache]: Analyzing trace with hash 973079369, now seen corresponding path program 1 times [2021-11-02 22:47:03,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 22:47:03,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [600284519] [2021-11-02 22:47:03,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:47:03,510 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 22:47:03,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat [2021-11-02 22:47:03,512 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 22:47:03,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-02 22:47:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:47:04,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-02 22:47:04,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:47:04,834 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:47:04,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 22:47:05,468 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:47:05,469 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 22:47:05,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [600284519] [2021-11-02 22:47:05,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [600284519] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-02 22:47:05,470 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:47:05,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-11-02 22:47:05,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475645177] [2021-11-02 22:47:05,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-02 22:47:05,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 22:47:05,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-02 22:47:05,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-02 22:47:05,473 INFO L87 Difference]: Start difference. First operand 1029 states and 1512 transitions. Second operand has 10 states, 10 states have (on average 12.9) internal successors, (129), 9 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:47:14,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:47:14,176 INFO L93 Difference]: Finished difference Result 7995 states and 11824 transitions. [2021-11-02 22:47:14,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:47:14,181 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.9) internal successors, (129), 9 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2021-11-02 22:47:14,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:47:14,198 INFO L225 Difference]: With dead ends: 7995 [2021-11-02 22:47:14,198 INFO L226 Difference]: Without dead ends: 6991 [2021-11-02 22:47:14,202 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2021-11-02 22:47:14,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6991 states. [2021-11-02 22:47:14,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6991 to 1041. [2021-11-02 22:47:14,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 1040 states have (on average 1.4692307692307693) internal successors, (1528), 1040 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:47:14,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1528 transitions. [2021-11-02 22:47:14,461 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1528 transitions. Word has length 73 [2021-11-02 22:47:14,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:47:14,461 INFO L470 AbstractCegarLoop]: Abstraction has 1041 states and 1528 transitions. [2021-11-02 22:47:14,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.9) internal successors, (129), 9 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:47:14,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1528 transitions. [2021-11-02 22:47:14,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-02 22:47:14,464 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:47:14,465 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:47:14,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-02 22:47:14,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 [2021-11-02 22:47:14,686 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:47:14,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:47:14,686 INFO L85 PathProgramCache]: Analyzing trace with hash 152916243, now seen corresponding path program 1 times [2021-11-02 22:47:14,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 22:47:14,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [329022371] [2021-11-02 22:47:14,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:47:14,687 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 22:47:14,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat [2021-11-02 22:47:14,688 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 22:47:14,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-02 22:47:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:47:15,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-02 22:47:15,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:47:15,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:47:15,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 22:47:15,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:47:15,957 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 22:47:15,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [329022371] [2021-11-02 22:47:15,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [329022371] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 22:47:15,958 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:47:15,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-02 22:47:15,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087176676] [2021-11-02 22:47:15,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 22:47:15,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 22:47:15,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 22:47:15,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:47:15,959 INFO L87 Difference]: Start difference. First operand 1041 states and 1528 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:47:17,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:47:17,108 INFO L93 Difference]: Finished difference Result 4513 states and 6690 transitions. [2021-11-02 22:47:17,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:47:17,109 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2021-11-02 22:47:17,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:47:17,117 INFO L225 Difference]: With dead ends: 4513 [2021-11-02 22:47:17,117 INFO L226 Difference]: Without dead ends: 3497 [2021-11-02 22:47:17,119 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:47:17,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3497 states. [2021-11-02 22:47:17,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3497 to 1043. [2021-11-02 22:47:17,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1043 states, 1042 states have (on average 1.4683301343570057) internal successors, (1530), 1042 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:47:17,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1530 transitions. [2021-11-02 22:47:17,336 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1530 transitions. Word has length 75 [2021-11-02 22:47:17,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:47:17,336 INFO L470 AbstractCegarLoop]: Abstraction has 1043 states and 1530 transitions. [2021-11-02 22:47:17,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:47:17,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1530 transitions. [2021-11-02 22:47:17,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-02 22:47:17,340 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:47:17,340 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:47:17,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-02 22:47:17,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 [2021-11-02 22:47:17,556 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:47:17,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:47:17,557 INFO L85 PathProgramCache]: Analyzing trace with hash 800611437, now seen corresponding path program 1 times [2021-11-02 22:47:17,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 22:47:17,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1543455377] [2021-11-02 22:47:17,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:47:17,558 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 22:47:17,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat [2021-11-02 22:47:17,558 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 22:47:17,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-02 22:47:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:47:18,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 22:47:18,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:47:18,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:47:18,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 22:47:18,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:47:18,797 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 22:47:18,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1543455377] [2021-11-02 22:47:18,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1543455377] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 22:47:18,797 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:47:18,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-02 22:47:18,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725553554] [2021-11-02 22:47:18,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:47:18,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 22:47:18,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:47:18,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:47:18,799 INFO L87 Difference]: Start difference. First operand 1043 states and 1530 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:47:19,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:47:19,420 INFO L93 Difference]: Finished difference Result 2901 states and 4285 transitions. [2021-11-02 22:47:19,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:47:19,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-11-02 22:47:19,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:47:19,425 INFO L225 Difference]: With dead ends: 2901 [2021-11-02 22:47:19,426 INFO L226 Difference]: Without dead ends: 1883 [2021-11-02 22:47:19,428 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:47:19,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1883 states. [2021-11-02 22:47:19,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1883 to 1045. [2021-11-02 22:47:19,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 1044 states have (on average 1.4674329501915708) internal successors, (1532), 1044 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:47:19,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1532 transitions. [2021-11-02 22:47:19,660 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1532 transitions. Word has length 77 [2021-11-02 22:47:19,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:47:19,661 INFO L470 AbstractCegarLoop]: Abstraction has 1045 states and 1532 transitions. [2021-11-02 22:47:19,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:47:19,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1532 transitions. [2021-11-02 22:47:19,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-02 22:47:19,664 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:47:19,664 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:47:19,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-02 22:47:19,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 [2021-11-02 22:47:19,880 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:47:19,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:47:19,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1856276453, now seen corresponding path program 1 times [2021-11-02 22:47:19,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 22:47:19,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [41269290] [2021-11-02 22:47:19,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:47:19,882 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 22:47:19,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat [2021-11-02 22:47:19,884 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 22:47:19,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-02 22:47:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:47:20,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-02 22:47:20,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:47:21,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:47:21,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 22:47:21,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:47:21,475 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 22:47:21,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [41269290] [2021-11-02 22:47:21,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [41269290] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 22:47:21,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:47:21,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-02 22:47:21,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818369151] [2021-11-02 22:47:21,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-02 22:47:21,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 22:47:21,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-02 22:47:21,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-02 22:47:21,477 INFO L87 Difference]: Start difference. First operand 1045 states and 1532 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:47:25,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:47:25,094 INFO L93 Difference]: Finished difference Result 8360 states and 12395 transitions. [2021-11-02 22:47:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-02 22:47:25,095 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-02 22:47:25,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:47:25,103 INFO L225 Difference]: With dead ends: 8360 [2021-11-02 22:47:25,103 INFO L226 Difference]: Without dead ends: 7340 [2021-11-02 22:47:25,106 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2021-11-02 22:47:25,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7340 states. [2021-11-02 22:47:25,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7340 to 1048. [2021-11-02 22:47:25,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 1047 states have (on average 1.466093600764088) internal successors, (1535), 1047 states have internal predecessors, (1535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:47:25,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1535 transitions. [2021-11-02 22:47:25,432 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1535 transitions. Word has length 81 [2021-11-02 22:47:25,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:47:25,433 INFO L470 AbstractCegarLoop]: Abstraction has 1048 states and 1535 transitions. [2021-11-02 22:47:25,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:47:25,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1535 transitions. [2021-11-02 22:47:25,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-02 22:47:25,436 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:47:25,436 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:47:25,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-02 22:47:25,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 [2021-11-02 22:47:25,658 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:47:25,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:47:25,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1754920992, now seen corresponding path program 1 times [2021-11-02 22:47:25,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 22:47:25,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [299645842] [2021-11-02 22:47:25,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:47:25,660 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 22:47:25,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat [2021-11-02 22:47:25,660 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 22:47:25,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-02 22:47:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:47:26,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 22:47:26,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:47:26,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:47:26,868 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 22:47:27,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:47:27,039 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 22:47:27,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [299645842] [2021-11-02 22:47:27,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [299645842] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 22:47:27,040 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:47:27,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-02 22:47:27,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944521506] [2021-11-02 22:47:27,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:47:27,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 22:47:27,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:47:27,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:47:27,041 INFO L87 Difference]: Start difference. First operand 1048 states and 1535 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:47:27,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:47:27,461 INFO L93 Difference]: Finished difference Result 2080 states and 3052 transitions. [2021-11-02 22:47:27,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:47:27,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-11-02 22:47:27,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:47:27,463 INFO L225 Difference]: With dead ends: 2080 [2021-11-02 22:47:27,463 INFO L226 Difference]: Without dead ends: 1057 [2021-11-02 22:47:27,465 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:47:27,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2021-11-02 22:47:27,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1048. [2021-11-02 22:47:27,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 1047 states have (on average 1.440305635148042) internal successors, (1508), 1047 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:47:27,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1508 transitions. [2021-11-02 22:47:27,659 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1508 transitions. Word has length 84 [2021-11-02 22:47:27,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:47:27,660 INFO L470 AbstractCegarLoop]: Abstraction has 1048 states and 1508 transitions. [2021-11-02 22:47:27,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:47:27,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1508 transitions. [2021-11-02 22:47:27,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-02 22:47:27,663 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:47:27,663 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:47:27,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-02 22:47:27,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 [2021-11-02 22:47:27,876 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:47:27,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:47:27,877 INFO L85 PathProgramCache]: Analyzing trace with hash -522722400, now seen corresponding path program 1 times [2021-11-02 22:47:27,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 22:47:27,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1922403173] [2021-11-02 22:47:27,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:47:27,878 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 22:47:27,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat [2021-11-02 22:47:27,879 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 22:47:27,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2e4a24-76ee-4015-a8fd-e32d6e230780/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-02 22:47:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:47:32,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-02 22:47:32,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:47:32,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-02 22:47:35,006 INFO L354 Elim1Store]: treesize reduction 158, result has 18.1 percent of original size [2021-11-02 22:47:35,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 66 [2021-11-02 22:47:36,349 INFO L354 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2021-11-02 22:47:36,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 51 [2021-11-02 22:47:37,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:37,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-02 22:47:37,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 23 [2021-11-02 22:47:38,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:38,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:38,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:38,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:38,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:38,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:38,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 36 [2021-11-02 22:47:38,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-02 22:47:38,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-02 22:47:39,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 49 [2021-11-02 22:47:39,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-11-02 22:47:39,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-11-02 22:47:39,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-02 22:47:39,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 40 [2021-11-02 22:47:39,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-02 22:47:39,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 40 [2021-11-02 22:47:39,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:39,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 22 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 76 [2021-11-02 22:47:40,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 348 treesize of output 312 [2021-11-02 22:47:40,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 321 treesize of output 295 [2021-11-02 22:47:40,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:40,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 278 treesize of output 295 [2021-11-02 22:47:41,558 INFO L354 Elim1Store]: treesize reduction 35, result has 12.5 percent of original size [2021-11-02 22:47:41,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 271 treesize of output 271 [2021-11-02 22:47:41,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:41,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:41,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:41,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:41,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:41,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:41,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:41,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:41,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:41,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:41,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:41,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 248 [2021-11-02 22:47:41,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 224 treesize of output 223 [2021-11-02 22:47:41,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:41,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:41,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,744 INFO L354 Elim1Store]: treesize reduction 126, result has 18.2 percent of original size [2021-11-02 22:47:42,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 223 treesize of output 228 [2021-11-02 22:47:42,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:42,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:43,227 INFO L354 Elim1Store]: treesize reduction 435, result has 16.5 percent of original size [2021-11-02 22:47:43,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 36 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 24 case distinctions, treesize of input 236 treesize of output 210 [2021-11-02 22:47:47,110 INFO L354 Elim1Store]: treesize reduction 376, result has 10.3 percent of original size [2021-11-02 22:47:47,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 474 treesize of output 300 [2021-11-02 22:47:47,736 INFO L354 Elim1Store]: treesize reduction 352, result has 10.9 percent of original size [2021-11-02 22:47:47,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 245 treesize of output 242 [2021-11-02 22:47:48,235 INFO L354 Elim1Store]: treesize reduction 208, result has 21.5 percent of original size [2021-11-02 22:47:48,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 230 treesize of output 235 [2021-11-02 22:47:48,916 INFO L354 Elim1Store]: treesize reduction 272, result has 17.3 percent of original size [2021-11-02 22:47:48,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 211 treesize of output 216 [2021-11-02 22:47:52,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:52,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:52,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:52,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:52,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:52,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:52,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:52,658 INFO L354 Elim1Store]: treesize reduction 236, result has 8.5 percent of original size [2021-11-02 22:47:52,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 154 treesize of output 153 [2021-11-02 22:47:52,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:52,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:52,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:52,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:52,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:52,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:52,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:52,866 INFO L354 Elim1Store]: treesize reduction 236, result has 8.5 percent of original size [2021-11-02 22:47:52,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 135 treesize of output 134 [2021-11-02 22:47:53,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:53,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:53,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:53,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:53,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:53,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:53,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:53,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:53,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 107 [2021-11-02 22:47:56,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:56,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:56,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:56,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:56,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:56,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:56,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:56,962 INFO L354 Elim1Store]: treesize reduction 236, result has 8.5 percent of original size [2021-11-02 22:47:56,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 154 treesize of output 153 [2021-11-02 22:47:56,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:56,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:56,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:56,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:56,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:57,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:57,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:57,185 INFO L354 Elim1Store]: treesize reduction 236, result has 8.5 percent of original size [2021-11-02 22:47:57,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 135 treesize of output 134 [2021-11-02 22:47:57,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:57,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:57,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:57,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:57,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:57,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:57,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:57,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:47:57,660 INFO L354 Elim1Store]: treesize reduction 147, result has 5.8 percent of original size [2021-11-02 22:47:57,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 9 case distinctions, treesize of input 93 treesize of output 116 [2021-11-02 22:48:03,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,796 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-02 22:48:03,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 55 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 120 treesize of output 141 [2021-11-02 22:48:03,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:03,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:04,463 INFO L354 Elim1Store]: treesize reduction 348, result has 5.9 percent of original size [2021-11-02 22:48:04,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 176 treesize of output 164 [2021-11-02 22:48:04,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:04,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:04,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:04,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:04,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:04,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:04,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:04,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:04,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:04,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:04,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:04,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:48:04,910 INFO L354 Elim1Store]: treesize reduction 348, result has 5.9 percent of original size [2021-11-02 22:48:04,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 146 treesize of output 134 [2021-11-02 22:48:13,386 INFO L354 Elim1Store]: treesize reduction 360, result has 12.2 percent of original size [2021-11-02 22:48:13,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 498 treesize of output 314 [2021-11-02 22:48:13,514 INFO L354 Elim1Store]: treesize reduction 133, result has 0.7 percent of original size [2021-11-02 22:48:13,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 748 treesize of output 279 [2021-11-02 22:48:14,171 INFO L354 Elim1Store]: treesize reduction 322, result has 2.1 percent of original size [2021-11-02 22:48:14,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 55 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 388 treesize of output 306 [2021-11-02 22:48:14,792 INFO L354 Elim1Store]: treesize reduction 320, result has 13.0 percent of original size [2021-11-02 22:48:14,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 245 treesize of output 233 [2021-11-02 22:48:14,874 INFO L354 Elim1Store]: treesize reduction 133, result has 0.7 percent of original size [2021-11-02 22:48:14,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 218 treesize of output 144 [2021-11-02 22:48:15,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:48:15,774 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 22:48:59,014 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_tty_devnum_#res| (_ BitVec 32)) (v_ULTIMATE.start_slip_open_~tmp___1~6.offset_18 (_ BitVec 64)) (v_ULTIMATE.start_slip_open_~tmp___1~6.base_18 (_ BitVec 64)) (~jiffies~0 (_ BitVec 64)) (v_DerPreprocessor_19 (_ BitVec 64)) (v_DerPreprocessor_13 (_ BitVec 64)) (v_DerPreprocessor_14 (_ BitVec 64)) (v_DerPreprocessor_11 (_ BitVec 64)) (v_DerPreprocessor_12 (_ BitVec 64)) (v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_17 (_ BitVec 64)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_18 (_ BitVec 64)) (v_DerPreprocessor_15 (_ BitVec 64)) (v_DerPreprocessor_16 (_ BitVec 64)) (ULTIMATE.start_slip_open_~tty.offset (_ BitVec 64)) (v_DerPreprocessor_10 (_ BitVec 64))) (bvsle ((_ extract 31 0) (let ((.cse3 (bvadd ULTIMATE.start_slip_open_~tty.offset (_ bv543 64))) (.cse5 (bvadd (_ bv182 64) c_ULTIMATE.start_slip_open_~sl~12.offset)) (.cse6 (bvadd (_ bv186 64) c_ULTIMATE.start_slip_open_~sl~12.offset)) (.cse7 (bvadd (_ bv208 64) c_ULTIMATE.start_slip_open_~sl~12.offset)) (.cse8 (bvadd (_ bv212 64) c_ULTIMATE.start_slip_open_~sl~12.offset)) (.cse10 (bvadd ULTIMATE.start_slip_open_~tty.offset (_ bv1095 64))) (.cse11 (bvadd (_ bv4 64) c_ULTIMATE.start_slip_open_~sl~12.offset)) (.cse12 (bvadd c_ULTIMATE.start_slip_open_~sl~12.offset (_ bv12 64)))) (let ((.cse0 (select (let ((.cse13 (let ((.cse14 (let ((.cse18 (store |c_#memory_int| c_ULTIMATE.start_slip_open_~sl~12.base (store (select |c_#memory_int| c_ULTIMATE.start_slip_open_~sl~12.base) .cse11 v_DerPreprocessor_21)))) (store .cse18 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse18 c_ULTIMATE.start_slip_open_~tty.base) .cse10 v_DerPreprocessor_20))))) (store .cse14 c_ULTIMATE.start_slip_open_~sl~12.base (let ((.cse15 (let ((.cse17 (store (select .cse14 c_ULTIMATE.start_slip_open_~sl~12.base) .cse5 |ULTIMATE.start_tty_devnum_#res|))) (store .cse17 .cse6 (select (select (store .cse14 c_ULTIMATE.start_slip_open_~sl~12.base .cse17) v_ULTIMATE.start_slip_open_~tmp___1~6.base_18) (bvadd v_ULTIMATE.start_slip_open_~tmp___1~6.offset_18 (_ bv1130 64))))))) (let ((.cse16 (bvadd ~jiffies~0 ((_ sign_extend 32) (bvmul ((_ zero_extend 24) ((_ extract 7 0) (select .cse15 (bvadd c_ULTIMATE.start_slip_open_~sl~12.offset (_ bv190 64))))) (_ bv250 32)))))) (store (store .cse15 .cse7 ((_ extract 31 0) .cse16)) .cse8 ((_ extract 63 32) .cse16)))))))) (store .cse13 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse13 c_ULTIMATE.start_slip_open_~tty.base) .cse3 (_ bv65536 32)))) (select (select (let ((.cse19 (let ((.cse20 (let ((.cse21 (store |c_#memory_$Pointer$.base| c_ULTIMATE.start_slip_open_~sl~12.base (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_slip_open_~sl~12.base) .cse11 c_ULTIMATE.start_slip_open_~tty.base)))) (store .cse21 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse21 c_ULTIMATE.start_slip_open_~tty.base) .cse10 c_ULTIMATE.start_slip_open_~sl~12.base))))) (store .cse20 c_ULTIMATE.start_slip_open_~sl~12.base (store (store (store (store (select .cse20 c_ULTIMATE.start_slip_open_~sl~12.base) .cse5 v_DerPreprocessor_18) .cse6 v_DerPreprocessor_16) .cse7 v_DerPreprocessor_12) .cse8 v_DerPreprocessor_13))))) (store .cse19 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse19 c_ULTIMATE.start_slip_open_~tty.base) .cse3 v_DerPreprocessor_10))) c_ULTIMATE.start_slip_open_~sl~12.base) .cse12))) (.cse1 (select (select (let ((.cse2 (let ((.cse4 (let ((.cse9 (store |c_#memory_$Pointer$.offset| c_ULTIMATE.start_slip_open_~sl~12.base (store (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_slip_open_~sl~12.base) .cse11 ULTIMATE.start_slip_open_~tty.offset)))) (store .cse9 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse9 c_ULTIMATE.start_slip_open_~tty.base) .cse10 c_ULTIMATE.start_slip_open_~sl~12.offset))))) (store .cse4 c_ULTIMATE.start_slip_open_~sl~12.base (store (store (store (store (select .cse4 c_ULTIMATE.start_slip_open_~sl~12.base) .cse5 v_DerPreprocessor_19) .cse6 v_DerPreprocessor_17) .cse7 v_DerPreprocessor_14) .cse8 v_DerPreprocessor_15))))) (store .cse2 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse2 c_ULTIMATE.start_slip_open_~tty.base) .cse3 v_DerPreprocessor_11))) c_ULTIMATE.start_slip_open_~sl~12.base) .cse12))) (concat (select .cse0 (bvadd (_ bv116 64) .cse1)) (select .cse0 (bvadd (_ bv112 64) .cse1)))))) (_ bv0 32))) is different from false [2021-11-02 22:49:05,132 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_tty_devnum_#res| (_ BitVec 32)) (v_ULTIMATE.start_slip_open_~tmp___1~6.offset_18 (_ BitVec 64)) (v_ULTIMATE.start_slip_open_~tmp___1~6.base_18 (_ BitVec 64)) (~jiffies~0 (_ BitVec 64)) (v_DerPreprocessor_19 (_ BitVec 64)) (v_DerPreprocessor_13 (_ BitVec 64)) (v_DerPreprocessor_14 (_ BitVec 64)) (v_DerPreprocessor_11 (_ BitVec 64)) (v_DerPreprocessor_12 (_ BitVec 64)) (v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_17 (_ BitVec 64)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_18 (_ BitVec 64)) (v_DerPreprocessor_15 (_ BitVec 64)) (v_DerPreprocessor_16 (_ BitVec 64)) (ULTIMATE.start_slip_open_~tty.offset (_ BitVec 64)) (v_DerPreprocessor_10 (_ BitVec 64))) (bvsle ((_ extract 31 0) (let ((.cse3 (bvadd ULTIMATE.start_slip_open_~tty.offset (_ bv543 64))) (.cse5 (bvadd (_ bv182 64) |c_ULTIMATE.start_sl_alloc_#res.offset|)) (.cse6 (bvadd (_ bv186 64) |c_ULTIMATE.start_sl_alloc_#res.offset|)) (.cse7 (bvadd (_ bv208 64) |c_ULTIMATE.start_sl_alloc_#res.offset|)) (.cse8 (bvadd (_ bv212 64) |c_ULTIMATE.start_sl_alloc_#res.offset|)) (.cse10 (bvadd ULTIMATE.start_slip_open_~tty.offset (_ bv1095 64))) (.cse11 (bvadd (_ bv4 64) |c_ULTIMATE.start_sl_alloc_#res.offset|)) (.cse12 (bvadd |c_ULTIMATE.start_sl_alloc_#res.offset| (_ bv12 64)))) (let ((.cse0 (select (let ((.cse13 (let ((.cse14 (let ((.cse18 (store |c_#memory_int| |c_ULTIMATE.start_sl_alloc_#res.base| (store (select |c_#memory_int| |c_ULTIMATE.start_sl_alloc_#res.base|) .cse11 v_DerPreprocessor_21)))) (store .cse18 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse18 c_ULTIMATE.start_slip_open_~tty.base) .cse10 v_DerPreprocessor_20))))) (store .cse14 |c_ULTIMATE.start_sl_alloc_#res.base| (let ((.cse15 (let ((.cse17 (store (select .cse14 |c_ULTIMATE.start_sl_alloc_#res.base|) .cse5 |ULTIMATE.start_tty_devnum_#res|))) (store .cse17 .cse6 (select (select (store .cse14 |c_ULTIMATE.start_sl_alloc_#res.base| .cse17) v_ULTIMATE.start_slip_open_~tmp___1~6.base_18) (bvadd v_ULTIMATE.start_slip_open_~tmp___1~6.offset_18 (_ bv1130 64))))))) (let ((.cse16 (bvadd ~jiffies~0 ((_ sign_extend 32) (bvmul ((_ zero_extend 24) ((_ extract 7 0) (select .cse15 (bvadd (_ bv190 64) |c_ULTIMATE.start_sl_alloc_#res.offset|)))) (_ bv250 32)))))) (store (store .cse15 .cse7 ((_ extract 31 0) .cse16)) .cse8 ((_ extract 63 32) .cse16)))))))) (store .cse13 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse13 c_ULTIMATE.start_slip_open_~tty.base) .cse3 (_ bv65536 32)))) (select (select (let ((.cse19 (let ((.cse20 (let ((.cse21 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sl_alloc_#res.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sl_alloc_#res.base|) .cse11 c_ULTIMATE.start_slip_open_~tty.base)))) (store .cse21 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse21 c_ULTIMATE.start_slip_open_~tty.base) .cse10 |c_ULTIMATE.start_sl_alloc_#res.base|))))) (store .cse20 |c_ULTIMATE.start_sl_alloc_#res.base| (store (store (store (store (select .cse20 |c_ULTIMATE.start_sl_alloc_#res.base|) .cse5 v_DerPreprocessor_18) .cse6 v_DerPreprocessor_16) .cse7 v_DerPreprocessor_12) .cse8 v_DerPreprocessor_13))))) (store .cse19 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse19 c_ULTIMATE.start_slip_open_~tty.base) .cse3 v_DerPreprocessor_10))) |c_ULTIMATE.start_sl_alloc_#res.base|) .cse12))) (.cse1 (select (select (let ((.cse2 (let ((.cse4 (let ((.cse9 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sl_alloc_#res.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sl_alloc_#res.base|) .cse11 ULTIMATE.start_slip_open_~tty.offset)))) (store .cse9 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse9 c_ULTIMATE.start_slip_open_~tty.base) .cse10 |c_ULTIMATE.start_sl_alloc_#res.offset|))))) (store .cse4 |c_ULTIMATE.start_sl_alloc_#res.base| (store (store (store (store (select .cse4 |c_ULTIMATE.start_sl_alloc_#res.base|) .cse5 v_DerPreprocessor_19) .cse6 v_DerPreprocessor_17) .cse7 v_DerPreprocessor_14) .cse8 v_DerPreprocessor_15))))) (store .cse2 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse2 c_ULTIMATE.start_slip_open_~tty.base) .cse3 v_DerPreprocessor_11))) |c_ULTIMATE.start_sl_alloc_#res.base|) .cse12))) (concat (select .cse0 (bvadd .cse1 (_ bv116 64))) (select .cse0 (bvadd .cse1 (_ bv112 64))))))) (_ bv0 32))) is different from false [2021-11-02 22:49:46,346 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_slip_open_~tmp___1~6.base_18 (_ BitVec 64)) (~jiffies~0 (_ BitVec 64)) (v_DerPreprocessor_22 (_ BitVec 64)) (v_DerPreprocessor_23 (_ BitVec 64)) (v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 64)) (v_DerPreprocessor_27 (_ BitVec 64)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (ULTIMATE.start_slip_open_~tty.offset (_ BitVec 64)) (|ULTIMATE.start_tty_devnum_#res| (_ BitVec 32)) (v_ULTIMATE.start_slip_open_~tmp___1~6.offset_18 (_ BitVec 64)) (v_DerPreprocessor_19 (_ BitVec 64)) (v_DerPreprocessor_13 (_ BitVec 64)) (v_DerPreprocessor_14 (_ BitVec 64)) (v_DerPreprocessor_11 (_ BitVec 64)) (v_DerPreprocessor_12 (_ BitVec 64)) (v_DerPreprocessor_17 (_ BitVec 64)) (v_DerPreprocessor_18 (_ BitVec 64)) (~slip_devs~0.offset (_ BitVec 64)) (v_DerPreprocessor_15 (_ BitVec 64)) (v_DerPreprocessor_16 (_ BitVec 64)) (v_DerPreprocessor_10 (_ BitVec 64))) (bvsle ((_ extract 31 0) (let ((.cse3 (bvadd ULTIMATE.start_slip_open_~tty.offset (_ bv543 64))) (.cse5 (bvadd (_ bv182 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse6 (bvadd (_ bv186 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse7 (bvadd (_ bv208 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse8 (bvadd (_ bv212 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse10 (bvadd ULTIMATE.start_slip_open_~tty.offset (_ bv1095 64))) (.cse12 (bvadd (_ bv4 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse14 (bvadd (bvmul ((_ sign_extend 32) c_ULTIMATE.start_sl_alloc_~i~2) (_ bv8 64)) ~slip_devs~0.offset)) (.cse15 (bvadd (_ bv232 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse16 (bvadd (_ bv236 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse17 (bvadd (_ bv224 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse18 (bvadd c_ULTIMATE.start_sl_alloc_~sl~11.offset (_ bv12 64)))) (let ((.cse0 (select (let ((.cse19 (let ((.cse20 (let ((.cse24 (let ((.cse25 (let ((.cse26 (store |c_#memory_int| c_ULTIMATE.start_sl_alloc_~sl~11.base (store (let ((.cse27 (bvadd c_ULTIMATE.start_sl_alloc_~sl~11.base c_ULTIMATE.start_sl_alloc_~sl~11.offset))) (store (store (select |c_#memory_int| c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse15 ((_ extract 31 0) .cse27)) .cse16 ((_ extract 63 32) .cse27))) .cse17 v_DerPreprocessor_25)))) (store .cse26 c_~slip_devs~0.base (store (select .cse26 c_~slip_devs~0.base) .cse14 v_DerPreprocessor_24))))) (store .cse25 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (select .cse25 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse12 v_DerPreprocessor_21))))) (store .cse24 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse24 c_ULTIMATE.start_slip_open_~tty.base) .cse10 v_DerPreprocessor_20))))) (store .cse20 c_ULTIMATE.start_sl_alloc_~sl~11.base (let ((.cse21 (let ((.cse23 (store (select .cse20 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse5 |ULTIMATE.start_tty_devnum_#res|))) (store .cse23 .cse6 (select (select (store .cse20 c_ULTIMATE.start_sl_alloc_~sl~11.base .cse23) v_ULTIMATE.start_slip_open_~tmp___1~6.base_18) (bvadd v_ULTIMATE.start_slip_open_~tmp___1~6.offset_18 (_ bv1130 64))))))) (let ((.cse22 (bvadd ((_ sign_extend 32) (bvmul ((_ zero_extend 24) ((_ extract 7 0) (select .cse21 (bvadd (_ bv190 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)))) (_ bv250 32))) ~jiffies~0))) (store (store .cse21 .cse7 ((_ extract 31 0) .cse22)) .cse8 ((_ extract 63 32) .cse22)))))))) (store .cse19 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse19 c_ULTIMATE.start_slip_open_~tty.base) .cse3 (_ bv65536 32)))) (select (select (let ((.cse28 (let ((.cse29 (let ((.cse30 (let ((.cse31 (let ((.cse32 (store |c_#memory_$Pointer$.base| c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse15 v_DerPreprocessor_22) .cse16 v_DerPreprocessor_23) .cse17 |#funAddr~sl_outfill.base|)))) (store .cse32 c_~slip_devs~0.base (store (select .cse32 c_~slip_devs~0.base) .cse14 c_ULTIMATE.start_sl_alloc_~dev~3.base))))) (store .cse31 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (select .cse31 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse12 c_ULTIMATE.start_slip_open_~tty.base))))) (store .cse30 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse30 c_ULTIMATE.start_slip_open_~tty.base) .cse10 c_ULTIMATE.start_sl_alloc_~sl~11.base))))) (store .cse29 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (store (select .cse29 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse5 v_DerPreprocessor_18) .cse6 v_DerPreprocessor_16) .cse7 v_DerPreprocessor_12) .cse8 v_DerPreprocessor_13))))) (store .cse28 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse28 c_ULTIMATE.start_slip_open_~tty.base) .cse3 v_DerPreprocessor_10))) c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse18))) (.cse1 (select (select (let ((.cse2 (let ((.cse4 (let ((.cse9 (let ((.cse11 (let ((.cse13 (store |c_#memory_$Pointer$.offset| c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse15 v_DerPreprocessor_26) .cse16 v_DerPreprocessor_27) .cse17 |#funAddr~sl_outfill.offset|)))) (store .cse13 c_~slip_devs~0.base (store (select .cse13 c_~slip_devs~0.base) .cse14 c_ULTIMATE.start_sl_alloc_~dev~3.offset))))) (store .cse11 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (select .cse11 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse12 ULTIMATE.start_slip_open_~tty.offset))))) (store .cse9 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse9 c_ULTIMATE.start_slip_open_~tty.base) .cse10 c_ULTIMATE.start_sl_alloc_~sl~11.offset))))) (store .cse4 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (store (select .cse4 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse5 v_DerPreprocessor_19) .cse6 v_DerPreprocessor_17) .cse7 v_DerPreprocessor_14) .cse8 v_DerPreprocessor_15))))) (store .cse2 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse2 c_ULTIMATE.start_slip_open_~tty.base) .cse3 v_DerPreprocessor_11))) c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse18))) (concat (select .cse0 (bvadd (_ bv116 64) .cse1)) (select .cse0 (bvadd (_ bv112 64) .cse1)))))) (_ bv0 32))) is different from false [2021-11-02 22:49:48,361 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_slip_open_~tmp___1~6.base_18 (_ BitVec 64)) (~jiffies~0 (_ BitVec 64)) (v_DerPreprocessor_22 (_ BitVec 64)) (v_DerPreprocessor_23 (_ BitVec 64)) (v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 64)) (v_DerPreprocessor_27 (_ BitVec 64)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (ULTIMATE.start_slip_open_~tty.offset (_ BitVec 64)) (|ULTIMATE.start_tty_devnum_#res| (_ BitVec 32)) (v_ULTIMATE.start_slip_open_~tmp___1~6.offset_18 (_ BitVec 64)) (v_DerPreprocessor_19 (_ BitVec 64)) (v_DerPreprocessor_13 (_ BitVec 64)) (v_DerPreprocessor_14 (_ BitVec 64)) (v_DerPreprocessor_11 (_ BitVec 64)) (v_DerPreprocessor_12 (_ BitVec 64)) (v_DerPreprocessor_17 (_ BitVec 64)) (v_DerPreprocessor_18 (_ BitVec 64)) (~slip_devs~0.offset (_ BitVec 64)) (v_DerPreprocessor_15 (_ BitVec 64)) (v_DerPreprocessor_16 (_ BitVec 64)) (v_DerPreprocessor_10 (_ BitVec 64))) (bvsle ((_ extract 31 0) (let ((.cse3 (bvadd ULTIMATE.start_slip_open_~tty.offset (_ bv543 64))) (.cse5 (bvadd (_ bv182 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse6 (bvadd (_ bv186 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse7 (bvadd (_ bv208 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse8 (bvadd (_ bv212 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse10 (bvadd ULTIMATE.start_slip_open_~tty.offset (_ bv1095 64))) (.cse12 (bvadd (_ bv4 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse14 (bvadd (bvmul ((_ sign_extend 32) c_ULTIMATE.start_sl_alloc_~i~2) (_ bv8 64)) ~slip_devs~0.offset)) (.cse15 (bvadd (_ bv232 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse16 (bvadd (_ bv236 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse17 (bvadd (_ bv224 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse18 (bvadd c_ULTIMATE.start_sl_alloc_~sl~11.offset (_ bv12 64)))) (let ((.cse0 (select (let ((.cse19 (let ((.cse20 (let ((.cse24 (let ((.cse25 (let ((.cse26 (store |c_#memory_int| c_ULTIMATE.start_sl_alloc_~sl~11.base (store (let ((.cse27 (bvadd c_ULTIMATE.start_sl_alloc_~sl~11.base c_ULTIMATE.start_sl_alloc_~sl~11.offset))) (store (store (select |c_#memory_int| c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse15 ((_ extract 31 0) .cse27)) .cse16 ((_ extract 63 32) .cse27))) .cse17 v_DerPreprocessor_25)))) (store .cse26 c_~slip_devs~0.base (store (select .cse26 c_~slip_devs~0.base) .cse14 v_DerPreprocessor_24))))) (store .cse25 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (select .cse25 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse12 v_DerPreprocessor_21))))) (store .cse24 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse24 c_ULTIMATE.start_slip_open_~tty.base) .cse10 v_DerPreprocessor_20))))) (store .cse20 c_ULTIMATE.start_sl_alloc_~sl~11.base (let ((.cse21 (let ((.cse23 (store (select .cse20 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse5 |ULTIMATE.start_tty_devnum_#res|))) (store .cse23 .cse6 (select (select (store .cse20 c_ULTIMATE.start_sl_alloc_~sl~11.base .cse23) v_ULTIMATE.start_slip_open_~tmp___1~6.base_18) (bvadd v_ULTIMATE.start_slip_open_~tmp___1~6.offset_18 (_ bv1130 64))))))) (let ((.cse22 (bvadd ((_ sign_extend 32) (bvmul ((_ zero_extend 24) ((_ extract 7 0) (select .cse21 (bvadd (_ bv190 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)))) (_ bv250 32))) ~jiffies~0))) (store (store .cse21 .cse7 ((_ extract 31 0) .cse22)) .cse8 ((_ extract 63 32) .cse22)))))))) (store .cse19 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse19 c_ULTIMATE.start_slip_open_~tty.base) .cse3 (_ bv65536 32)))) (select (select (let ((.cse28 (let ((.cse29 (let ((.cse30 (let ((.cse31 (let ((.cse32 (store |c_#memory_$Pointer$.base| c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse15 v_DerPreprocessor_22) .cse16 v_DerPreprocessor_23) .cse17 |#funAddr~sl_outfill.base|)))) (store .cse32 c_~slip_devs~0.base (store (select .cse32 c_~slip_devs~0.base) .cse14 c_ULTIMATE.start_sl_alloc_~dev~3.base))))) (store .cse31 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (select .cse31 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse12 c_ULTIMATE.start_slip_open_~tty.base))))) (store .cse30 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse30 c_ULTIMATE.start_slip_open_~tty.base) .cse10 c_ULTIMATE.start_sl_alloc_~sl~11.base))))) (store .cse29 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (store (select .cse29 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse5 v_DerPreprocessor_18) .cse6 v_DerPreprocessor_16) .cse7 v_DerPreprocessor_12) .cse8 v_DerPreprocessor_13))))) (store .cse28 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse28 c_ULTIMATE.start_slip_open_~tty.base) .cse3 v_DerPreprocessor_10))) c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse18))) (.cse1 (select (select (let ((.cse2 (let ((.cse4 (let ((.cse9 (let ((.cse11 (let ((.cse13 (store |c_#memory_$Pointer$.offset| c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse15 v_DerPreprocessor_26) .cse16 v_DerPreprocessor_27) .cse17 |#funAddr~sl_outfill.offset|)))) (store .cse13 c_~slip_devs~0.base (store (select .cse13 c_~slip_devs~0.base) .cse14 c_ULTIMATE.start_sl_alloc_~dev~3.offset))))) (store .cse11 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (select .cse11 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse12 ULTIMATE.start_slip_open_~tty.offset))))) (store .cse9 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse9 c_ULTIMATE.start_slip_open_~tty.base) .cse10 c_ULTIMATE.start_sl_alloc_~sl~11.offset))))) (store .cse4 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (store (select .cse4 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse5 v_DerPreprocessor_19) .cse6 v_DerPreprocessor_17) .cse7 v_DerPreprocessor_14) .cse8 v_DerPreprocessor_15))))) (store .cse2 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse2 c_ULTIMATE.start_slip_open_~tty.base) .cse3 v_DerPreprocessor_11))) c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse18))) (concat (select .cse0 (bvadd (_ bv116 64) .cse1)) (select .cse0 (bvadd (_ bv112 64) .cse1)))))) (_ bv0 32))) is different from true [2021-11-02 22:50:43,892 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_slip_open_~tmp___1~6.base_18 (_ BitVec 64)) (~jiffies~0 (_ BitVec 64)) (v_DerPreprocessor_22 (_ BitVec 64)) (v_DerPreprocessor_23 (_ BitVec 64)) (v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_29 (_ BitVec 64)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 64)) (v_DerPreprocessor_27 (_ BitVec 64)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (ULTIMATE.start_slip_open_~tty.offset (_ BitVec 64)) (v_DerPreprocessor_28 (_ BitVec 32)) (|ULTIMATE.start_tty_devnum_#res| (_ BitVec 32)) (v_ULTIMATE.start_slip_open_~tmp___1~6.offset_18 (_ BitVec 64)) (v_DerPreprocessor_19 (_ BitVec 64)) (v_DerPreprocessor_13 (_ BitVec 64)) (v_DerPreprocessor_14 (_ BitVec 64)) (v_DerPreprocessor_11 (_ BitVec 64)) (v_DerPreprocessor_12 (_ BitVec 64)) (v_DerPreprocessor_17 (_ BitVec 64)) (v_DerPreprocessor_18 (_ BitVec 64)) (~slip_devs~0.offset (_ BitVec 64)) (v_DerPreprocessor_15 (_ BitVec 64)) (v_DerPreprocessor_16 (_ BitVec 64)) (v_DerPreprocessor_31 (_ BitVec 64)) (v_DerPreprocessor_10 (_ BitVec 64)) (v_DerPreprocessor_32 (_ BitVec 64)) (v_DerPreprocessor_30 (_ BitVec 64))) (bvsle ((_ extract 31 0) (let ((.cse3 (bvadd ULTIMATE.start_slip_open_~tty.offset (_ bv543 64))) (.cse5 (bvadd (_ bv182 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse6 (bvadd (_ bv186 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse7 (bvadd (_ bv208 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse8 (bvadd (_ bv212 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse10 (bvadd ULTIMATE.start_slip_open_~tty.offset (_ bv1095 64))) (.cse12 (bvadd (_ bv4 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse14 (bvadd (bvmul ((_ sign_extend 32) c_ULTIMATE.start_sl_alloc_~i~2) (_ bv8 64)) ~slip_devs~0.offset)) (.cse15 (bvadd (_ bv356 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse16 (bvadd (_ bv360 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse17 (bvadd (_ bv348 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse18 (bvadd (_ bv232 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse19 (bvadd (_ bv236 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse20 (bvadd (_ bv224 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse21 (bvadd c_ULTIMATE.start_sl_alloc_~sl~11.offset (_ bv12 64)))) (let ((.cse0 (select (let ((.cse22 (let ((.cse23 (let ((.cse27 (let ((.cse28 (let ((.cse29 (store |c_#memory_int| c_ULTIMATE.start_sl_alloc_~sl~11.base (store (let ((.cse32 (bvadd c_ULTIMATE.start_sl_alloc_~sl~11.base c_ULTIMATE.start_sl_alloc_~sl~11.offset))) (let ((.cse31 ((_ extract 63 32) .cse32))) (store (let ((.cse30 ((_ extract 31 0) .cse32))) (store (store (store (store (select |c_#memory_int| c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse15 .cse30) .cse16 .cse31) .cse17 v_DerPreprocessor_28) .cse18 .cse30)) .cse19 .cse31))) .cse20 v_DerPreprocessor_25)))) (store .cse29 c_~slip_devs~0.base (store (select .cse29 c_~slip_devs~0.base) .cse14 v_DerPreprocessor_24))))) (store .cse28 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (select .cse28 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse12 v_DerPreprocessor_21))))) (store .cse27 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse27 c_ULTIMATE.start_slip_open_~tty.base) .cse10 v_DerPreprocessor_20))))) (store .cse23 c_ULTIMATE.start_sl_alloc_~sl~11.base (let ((.cse24 (let ((.cse26 (store (select .cse23 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse5 |ULTIMATE.start_tty_devnum_#res|))) (store .cse26 .cse6 (select (select (store .cse23 c_ULTIMATE.start_sl_alloc_~sl~11.base .cse26) v_ULTIMATE.start_slip_open_~tmp___1~6.base_18) (bvadd v_ULTIMATE.start_slip_open_~tmp___1~6.offset_18 (_ bv1130 64))))))) (let ((.cse25 (bvadd ~jiffies~0 ((_ sign_extend 32) (bvmul ((_ zero_extend 24) ((_ extract 7 0) (select .cse24 (bvadd (_ bv190 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)))) (_ bv250 32)))))) (store (store .cse24 .cse7 ((_ extract 31 0) .cse25)) .cse8 ((_ extract 63 32) .cse25)))))))) (store .cse22 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse22 c_ULTIMATE.start_slip_open_~tty.base) .cse3 (_ bv65536 32)))) (select (select (let ((.cse33 (let ((.cse34 (let ((.cse35 (let ((.cse36 (let ((.cse37 (store |c_#memory_$Pointer$.base| c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse15 v_DerPreprocessor_29) .cse16 v_DerPreprocessor_30) .cse17 |#funAddr~sl_keepalive.base|) .cse18 v_DerPreprocessor_22) .cse19 v_DerPreprocessor_23) .cse20 |#funAddr~sl_outfill.base|)))) (store .cse37 c_~slip_devs~0.base (store (select .cse37 c_~slip_devs~0.base) .cse14 c_ULTIMATE.start_sl_alloc_~dev~3.base))))) (store .cse36 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (select .cse36 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse12 c_ULTIMATE.start_slip_open_~tty.base))))) (store .cse35 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse35 c_ULTIMATE.start_slip_open_~tty.base) .cse10 c_ULTIMATE.start_sl_alloc_~sl~11.base))))) (store .cse34 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (store (select .cse34 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse5 v_DerPreprocessor_18) .cse6 v_DerPreprocessor_16) .cse7 v_DerPreprocessor_12) .cse8 v_DerPreprocessor_13))))) (store .cse33 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse33 c_ULTIMATE.start_slip_open_~tty.base) .cse3 v_DerPreprocessor_10))) c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse21))) (.cse1 (select (select (let ((.cse2 (let ((.cse4 (let ((.cse9 (let ((.cse11 (let ((.cse13 (store |c_#memory_$Pointer$.offset| c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (store (store (store (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse15 v_DerPreprocessor_31) .cse16 v_DerPreprocessor_32) .cse17 |#funAddr~sl_keepalive.offset|) .cse18 v_DerPreprocessor_26) .cse19 v_DerPreprocessor_27) .cse20 |#funAddr~sl_outfill.offset|)))) (store .cse13 c_~slip_devs~0.base (store (select .cse13 c_~slip_devs~0.base) .cse14 c_ULTIMATE.start_sl_alloc_~dev~3.offset))))) (store .cse11 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (select .cse11 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse12 ULTIMATE.start_slip_open_~tty.offset))))) (store .cse9 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse9 c_ULTIMATE.start_slip_open_~tty.base) .cse10 c_ULTIMATE.start_sl_alloc_~sl~11.offset))))) (store .cse4 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (store (select .cse4 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse5 v_DerPreprocessor_19) .cse6 v_DerPreprocessor_17) .cse7 v_DerPreprocessor_14) .cse8 v_DerPreprocessor_15))))) (store .cse2 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse2 c_ULTIMATE.start_slip_open_~tty.base) .cse3 v_DerPreprocessor_11))) c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse21))) (concat (select .cse0 (bvadd (_ bv116 64) .cse1)) (select .cse0 (bvadd (_ bv112 64) .cse1)))))) (_ bv0 32))) is different from false [2021-11-02 22:50:45,909 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_slip_open_~tmp___1~6.base_18 (_ BitVec 64)) (~jiffies~0 (_ BitVec 64)) (v_DerPreprocessor_22 (_ BitVec 64)) (v_DerPreprocessor_23 (_ BitVec 64)) (v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_29 (_ BitVec 64)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 64)) (v_DerPreprocessor_27 (_ BitVec 64)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (ULTIMATE.start_slip_open_~tty.offset (_ BitVec 64)) (v_DerPreprocessor_28 (_ BitVec 32)) (|ULTIMATE.start_tty_devnum_#res| (_ BitVec 32)) (v_ULTIMATE.start_slip_open_~tmp___1~6.offset_18 (_ BitVec 64)) (v_DerPreprocessor_19 (_ BitVec 64)) (v_DerPreprocessor_13 (_ BitVec 64)) (v_DerPreprocessor_14 (_ BitVec 64)) (v_DerPreprocessor_11 (_ BitVec 64)) (v_DerPreprocessor_12 (_ BitVec 64)) (v_DerPreprocessor_17 (_ BitVec 64)) (v_DerPreprocessor_18 (_ BitVec 64)) (~slip_devs~0.offset (_ BitVec 64)) (v_DerPreprocessor_15 (_ BitVec 64)) (v_DerPreprocessor_16 (_ BitVec 64)) (v_DerPreprocessor_31 (_ BitVec 64)) (v_DerPreprocessor_10 (_ BitVec 64)) (v_DerPreprocessor_32 (_ BitVec 64)) (v_DerPreprocessor_30 (_ BitVec 64))) (bvsle ((_ extract 31 0) (let ((.cse3 (bvadd ULTIMATE.start_slip_open_~tty.offset (_ bv543 64))) (.cse5 (bvadd (_ bv182 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse6 (bvadd (_ bv186 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse7 (bvadd (_ bv208 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse8 (bvadd (_ bv212 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse10 (bvadd ULTIMATE.start_slip_open_~tty.offset (_ bv1095 64))) (.cse12 (bvadd (_ bv4 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse14 (bvadd (bvmul ((_ sign_extend 32) c_ULTIMATE.start_sl_alloc_~i~2) (_ bv8 64)) ~slip_devs~0.offset)) (.cse15 (bvadd (_ bv356 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse16 (bvadd (_ bv360 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse17 (bvadd (_ bv348 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse18 (bvadd (_ bv232 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse19 (bvadd (_ bv236 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse20 (bvadd (_ bv224 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse21 (bvadd c_ULTIMATE.start_sl_alloc_~sl~11.offset (_ bv12 64)))) (let ((.cse0 (select (let ((.cse22 (let ((.cse23 (let ((.cse27 (let ((.cse28 (let ((.cse29 (store |c_#memory_int| c_ULTIMATE.start_sl_alloc_~sl~11.base (store (let ((.cse32 (bvadd c_ULTIMATE.start_sl_alloc_~sl~11.base c_ULTIMATE.start_sl_alloc_~sl~11.offset))) (let ((.cse31 ((_ extract 63 32) .cse32))) (store (let ((.cse30 ((_ extract 31 0) .cse32))) (store (store (store (store (select |c_#memory_int| c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse15 .cse30) .cse16 .cse31) .cse17 v_DerPreprocessor_28) .cse18 .cse30)) .cse19 .cse31))) .cse20 v_DerPreprocessor_25)))) (store .cse29 c_~slip_devs~0.base (store (select .cse29 c_~slip_devs~0.base) .cse14 v_DerPreprocessor_24))))) (store .cse28 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (select .cse28 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse12 v_DerPreprocessor_21))))) (store .cse27 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse27 c_ULTIMATE.start_slip_open_~tty.base) .cse10 v_DerPreprocessor_20))))) (store .cse23 c_ULTIMATE.start_sl_alloc_~sl~11.base (let ((.cse24 (let ((.cse26 (store (select .cse23 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse5 |ULTIMATE.start_tty_devnum_#res|))) (store .cse26 .cse6 (select (select (store .cse23 c_ULTIMATE.start_sl_alloc_~sl~11.base .cse26) v_ULTIMATE.start_slip_open_~tmp___1~6.base_18) (bvadd v_ULTIMATE.start_slip_open_~tmp___1~6.offset_18 (_ bv1130 64))))))) (let ((.cse25 (bvadd ~jiffies~0 ((_ sign_extend 32) (bvmul ((_ zero_extend 24) ((_ extract 7 0) (select .cse24 (bvadd (_ bv190 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)))) (_ bv250 32)))))) (store (store .cse24 .cse7 ((_ extract 31 0) .cse25)) .cse8 ((_ extract 63 32) .cse25)))))))) (store .cse22 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse22 c_ULTIMATE.start_slip_open_~tty.base) .cse3 (_ bv65536 32)))) (select (select (let ((.cse33 (let ((.cse34 (let ((.cse35 (let ((.cse36 (let ((.cse37 (store |c_#memory_$Pointer$.base| c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse15 v_DerPreprocessor_29) .cse16 v_DerPreprocessor_30) .cse17 |#funAddr~sl_keepalive.base|) .cse18 v_DerPreprocessor_22) .cse19 v_DerPreprocessor_23) .cse20 |#funAddr~sl_outfill.base|)))) (store .cse37 c_~slip_devs~0.base (store (select .cse37 c_~slip_devs~0.base) .cse14 c_ULTIMATE.start_sl_alloc_~dev~3.base))))) (store .cse36 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (select .cse36 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse12 c_ULTIMATE.start_slip_open_~tty.base))))) (store .cse35 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse35 c_ULTIMATE.start_slip_open_~tty.base) .cse10 c_ULTIMATE.start_sl_alloc_~sl~11.base))))) (store .cse34 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (store (select .cse34 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse5 v_DerPreprocessor_18) .cse6 v_DerPreprocessor_16) .cse7 v_DerPreprocessor_12) .cse8 v_DerPreprocessor_13))))) (store .cse33 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse33 c_ULTIMATE.start_slip_open_~tty.base) .cse3 v_DerPreprocessor_10))) c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse21))) (.cse1 (select (select (let ((.cse2 (let ((.cse4 (let ((.cse9 (let ((.cse11 (let ((.cse13 (store |c_#memory_$Pointer$.offset| c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (store (store (store (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse15 v_DerPreprocessor_31) .cse16 v_DerPreprocessor_32) .cse17 |#funAddr~sl_keepalive.offset|) .cse18 v_DerPreprocessor_26) .cse19 v_DerPreprocessor_27) .cse20 |#funAddr~sl_outfill.offset|)))) (store .cse13 c_~slip_devs~0.base (store (select .cse13 c_~slip_devs~0.base) .cse14 c_ULTIMATE.start_sl_alloc_~dev~3.offset))))) (store .cse11 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (select .cse11 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse12 ULTIMATE.start_slip_open_~tty.offset))))) (store .cse9 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse9 c_ULTIMATE.start_slip_open_~tty.base) .cse10 c_ULTIMATE.start_sl_alloc_~sl~11.offset))))) (store .cse4 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (store (select .cse4 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse5 v_DerPreprocessor_19) .cse6 v_DerPreprocessor_17) .cse7 v_DerPreprocessor_14) .cse8 v_DerPreprocessor_15))))) (store .cse2 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse2 c_ULTIMATE.start_slip_open_~tty.base) .cse3 v_DerPreprocessor_11))) c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse21))) (concat (select .cse0 (bvadd (_ bv116 64) .cse1)) (select .cse0 (bvadd (_ bv112 64) .cse1)))))) (_ bv0 32))) is different from true [2021-11-02 22:51:24,533 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_slip_open_~tmp___1~6.base_18 (_ BitVec 64)) (~jiffies~0 (_ BitVec 64)) (v_DerPreprocessor_22 (_ BitVec 64)) (v_DerPreprocessor_23 (_ BitVec 64)) (v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_29 (_ BitVec 64)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 64)) (v_DerPreprocessor_27 (_ BitVec 64)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (ULTIMATE.start_slip_open_~tty.offset (_ BitVec 64)) (v_DerPreprocessor_28 (_ BitVec 32)) (|ULTIMATE.start_tty_devnum_#res| (_ BitVec 32)) (v_ULTIMATE.start_slip_open_~tmp___1~6.offset_18 (_ BitVec 64)) (v_DerPreprocessor_19 (_ BitVec 64)) (v_DerPreprocessor_13 (_ BitVec 64)) (v_DerPreprocessor_14 (_ BitVec 64)) (v_DerPreprocessor_33 (_ BitVec 64)) (v_DerPreprocessor_11 (_ BitVec 64)) (v_DerPreprocessor_12 (_ BitVec 64)) (v_DerPreprocessor_34 (_ BitVec 64)) (v_DerPreprocessor_17 (_ BitVec 64)) (v_DerPreprocessor_18 (_ BitVec 64)) (~slip_devs~0.offset (_ BitVec 64)) (v_DerPreprocessor_15 (_ BitVec 64)) (v_DerPreprocessor_16 (_ BitVec 64)) (v_DerPreprocessor_31 (_ BitVec 64)) (v_DerPreprocessor_10 (_ BitVec 64)) (v_DerPreprocessor_32 (_ BitVec 64)) (v_DerPreprocessor_30 (_ BitVec 64))) (bvsle ((_ extract 31 0) (let ((.cse3 (bvadd ULTIMATE.start_slip_open_~tty.offset (_ bv543 64))) (.cse5 (bvadd (_ bv182 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse6 (bvadd (_ bv186 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse7 (bvadd (_ bv208 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse8 (bvadd (_ bv212 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse10 (bvadd ULTIMATE.start_slip_open_~tty.offset (_ bv1095 64))) (.cse12 (bvadd (_ bv4 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse14 (bvadd (bvmul ((_ sign_extend 32) c_ULTIMATE.start_sl_alloc_~i~2) (_ bv8 64)) ~slip_devs~0.offset)) (.cse15 (bvadd c_ULTIMATE.start_sl_alloc_~sl~11.offset (_ bv180 64))) (.cse16 (bvadd (_ bv356 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse17 (bvadd (_ bv360 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse18 (bvadd (_ bv348 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse19 (bvadd (_ bv232 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse20 (bvadd (_ bv236 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse21 (bvadd (_ bv224 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse22 (bvadd c_ULTIMATE.start_sl_alloc_~sl~11.offset (_ bv12 64)))) (let ((.cse0 (select (let ((.cse23 (let ((.cse24 (let ((.cse28 (let ((.cse29 (let ((.cse30 (store |c_#memory_int| c_ULTIMATE.start_sl_alloc_~sl~11.base (store (let ((.cse33 (bvadd c_ULTIMATE.start_sl_alloc_~sl~11.base c_ULTIMATE.start_sl_alloc_~sl~11.offset))) (let ((.cse32 ((_ extract 63 32) .cse33))) (store (let ((.cse31 ((_ extract 31 0) .cse33))) (store (store (store (store (store (select |c_#memory_int| c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse15 ((_ sign_extend 24) (_ bv8 8))) .cse16 .cse31) .cse17 .cse32) .cse18 v_DerPreprocessor_28) .cse19 .cse31)) .cse20 .cse32))) .cse21 v_DerPreprocessor_25)))) (store .cse30 c_~slip_devs~0.base (store (select .cse30 c_~slip_devs~0.base) .cse14 v_DerPreprocessor_24))))) (store .cse29 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (select .cse29 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse12 v_DerPreprocessor_21))))) (store .cse28 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse28 c_ULTIMATE.start_slip_open_~tty.base) .cse10 v_DerPreprocessor_20))))) (store .cse24 c_ULTIMATE.start_sl_alloc_~sl~11.base (let ((.cse25 (let ((.cse27 (store (select .cse24 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse5 |ULTIMATE.start_tty_devnum_#res|))) (store .cse27 .cse6 (select (select (store .cse24 c_ULTIMATE.start_sl_alloc_~sl~11.base .cse27) v_ULTIMATE.start_slip_open_~tmp___1~6.base_18) (bvadd v_ULTIMATE.start_slip_open_~tmp___1~6.offset_18 (_ bv1130 64))))))) (let ((.cse26 (bvadd ~jiffies~0 ((_ sign_extend 32) (bvmul ((_ zero_extend 24) ((_ extract 7 0) (select .cse25 (bvadd (_ bv190 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)))) (_ bv250 32)))))) (store (store .cse25 .cse7 ((_ extract 31 0) .cse26)) .cse8 ((_ extract 63 32) .cse26)))))))) (store .cse23 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse23 c_ULTIMATE.start_slip_open_~tty.base) .cse3 (_ bv65536 32)))) (select (select (let ((.cse34 (let ((.cse35 (let ((.cse36 (let ((.cse37 (let ((.cse38 (store |c_#memory_$Pointer$.base| c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse15 v_DerPreprocessor_33) .cse16 v_DerPreprocessor_29) .cse17 v_DerPreprocessor_30) .cse18 |#funAddr~sl_keepalive.base|) .cse19 v_DerPreprocessor_22) .cse20 v_DerPreprocessor_23) .cse21 |#funAddr~sl_outfill.base|)))) (store .cse38 c_~slip_devs~0.base (store (select .cse38 c_~slip_devs~0.base) .cse14 c_ULTIMATE.start_sl_alloc_~dev~3.base))))) (store .cse37 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (select .cse37 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse12 c_ULTIMATE.start_slip_open_~tty.base))))) (store .cse36 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse36 c_ULTIMATE.start_slip_open_~tty.base) .cse10 c_ULTIMATE.start_sl_alloc_~sl~11.base))))) (store .cse35 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (store (select .cse35 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse5 v_DerPreprocessor_18) .cse6 v_DerPreprocessor_16) .cse7 v_DerPreprocessor_12) .cse8 v_DerPreprocessor_13))))) (store .cse34 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse34 c_ULTIMATE.start_slip_open_~tty.base) .cse3 v_DerPreprocessor_10))) c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse22))) (.cse1 (select (select (let ((.cse2 (let ((.cse4 (let ((.cse9 (let ((.cse11 (let ((.cse13 (store |c_#memory_$Pointer$.offset| c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse15 v_DerPreprocessor_34) .cse16 v_DerPreprocessor_31) .cse17 v_DerPreprocessor_32) .cse18 |#funAddr~sl_keepalive.offset|) .cse19 v_DerPreprocessor_26) .cse20 v_DerPreprocessor_27) .cse21 |#funAddr~sl_outfill.offset|)))) (store .cse13 c_~slip_devs~0.base (store (select .cse13 c_~slip_devs~0.base) .cse14 c_ULTIMATE.start_sl_alloc_~dev~3.offset))))) (store .cse11 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (select .cse11 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse12 ULTIMATE.start_slip_open_~tty.offset))))) (store .cse9 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse9 c_ULTIMATE.start_slip_open_~tty.base) .cse10 c_ULTIMATE.start_sl_alloc_~sl~11.offset))))) (store .cse4 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (store (select .cse4 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse5 v_DerPreprocessor_19) .cse6 v_DerPreprocessor_17) .cse7 v_DerPreprocessor_14) .cse8 v_DerPreprocessor_15))))) (store .cse2 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse2 c_ULTIMATE.start_slip_open_~tty.base) .cse3 v_DerPreprocessor_11))) c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse22))) (concat (select .cse0 (bvadd (_ bv116 64) .cse1)) (select .cse0 (bvadd (_ bv112 64) .cse1)))))) (_ bv0 32))) is different from false [2021-11-02 22:51:26,556 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_slip_open_~tmp___1~6.base_18 (_ BitVec 64)) (~jiffies~0 (_ BitVec 64)) (v_DerPreprocessor_22 (_ BitVec 64)) (v_DerPreprocessor_23 (_ BitVec 64)) (v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_29 (_ BitVec 64)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 64)) (v_DerPreprocessor_27 (_ BitVec 64)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (ULTIMATE.start_slip_open_~tty.offset (_ BitVec 64)) (v_DerPreprocessor_28 (_ BitVec 32)) (|ULTIMATE.start_tty_devnum_#res| (_ BitVec 32)) (v_ULTIMATE.start_slip_open_~tmp___1~6.offset_18 (_ BitVec 64)) (v_DerPreprocessor_19 (_ BitVec 64)) (v_DerPreprocessor_13 (_ BitVec 64)) (v_DerPreprocessor_14 (_ BitVec 64)) (v_DerPreprocessor_33 (_ BitVec 64)) (v_DerPreprocessor_11 (_ BitVec 64)) (v_DerPreprocessor_12 (_ BitVec 64)) (v_DerPreprocessor_34 (_ BitVec 64)) (v_DerPreprocessor_17 (_ BitVec 64)) (v_DerPreprocessor_18 (_ BitVec 64)) (~slip_devs~0.offset (_ BitVec 64)) (v_DerPreprocessor_15 (_ BitVec 64)) (v_DerPreprocessor_16 (_ BitVec 64)) (v_DerPreprocessor_31 (_ BitVec 64)) (v_DerPreprocessor_10 (_ BitVec 64)) (v_DerPreprocessor_32 (_ BitVec 64)) (v_DerPreprocessor_30 (_ BitVec 64))) (bvsle ((_ extract 31 0) (let ((.cse3 (bvadd ULTIMATE.start_slip_open_~tty.offset (_ bv543 64))) (.cse5 (bvadd (_ bv182 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse6 (bvadd (_ bv186 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse7 (bvadd (_ bv208 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse8 (bvadd (_ bv212 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse10 (bvadd ULTIMATE.start_slip_open_~tty.offset (_ bv1095 64))) (.cse12 (bvadd (_ bv4 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse14 (bvadd (bvmul ((_ sign_extend 32) c_ULTIMATE.start_sl_alloc_~i~2) (_ bv8 64)) ~slip_devs~0.offset)) (.cse15 (bvadd c_ULTIMATE.start_sl_alloc_~sl~11.offset (_ bv180 64))) (.cse16 (bvadd (_ bv356 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse17 (bvadd (_ bv360 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse18 (bvadd (_ bv348 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse19 (bvadd (_ bv232 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse20 (bvadd (_ bv236 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse21 (bvadd (_ bv224 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)) (.cse22 (bvadd c_ULTIMATE.start_sl_alloc_~sl~11.offset (_ bv12 64)))) (let ((.cse0 (select (let ((.cse23 (let ((.cse24 (let ((.cse28 (let ((.cse29 (let ((.cse30 (store |c_#memory_int| c_ULTIMATE.start_sl_alloc_~sl~11.base (store (let ((.cse33 (bvadd c_ULTIMATE.start_sl_alloc_~sl~11.base c_ULTIMATE.start_sl_alloc_~sl~11.offset))) (let ((.cse32 ((_ extract 63 32) .cse33))) (store (let ((.cse31 ((_ extract 31 0) .cse33))) (store (store (store (store (store (select |c_#memory_int| c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse15 ((_ sign_extend 24) (_ bv8 8))) .cse16 .cse31) .cse17 .cse32) .cse18 v_DerPreprocessor_28) .cse19 .cse31)) .cse20 .cse32))) .cse21 v_DerPreprocessor_25)))) (store .cse30 c_~slip_devs~0.base (store (select .cse30 c_~slip_devs~0.base) .cse14 v_DerPreprocessor_24))))) (store .cse29 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (select .cse29 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse12 v_DerPreprocessor_21))))) (store .cse28 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse28 c_ULTIMATE.start_slip_open_~tty.base) .cse10 v_DerPreprocessor_20))))) (store .cse24 c_ULTIMATE.start_sl_alloc_~sl~11.base (let ((.cse25 (let ((.cse27 (store (select .cse24 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse5 |ULTIMATE.start_tty_devnum_#res|))) (store .cse27 .cse6 (select (select (store .cse24 c_ULTIMATE.start_sl_alloc_~sl~11.base .cse27) v_ULTIMATE.start_slip_open_~tmp___1~6.base_18) (bvadd v_ULTIMATE.start_slip_open_~tmp___1~6.offset_18 (_ bv1130 64))))))) (let ((.cse26 (bvadd ~jiffies~0 ((_ sign_extend 32) (bvmul ((_ zero_extend 24) ((_ extract 7 0) (select .cse25 (bvadd (_ bv190 64) c_ULTIMATE.start_sl_alloc_~sl~11.offset)))) (_ bv250 32)))))) (store (store .cse25 .cse7 ((_ extract 31 0) .cse26)) .cse8 ((_ extract 63 32) .cse26)))))))) (store .cse23 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse23 c_ULTIMATE.start_slip_open_~tty.base) .cse3 (_ bv65536 32)))) (select (select (let ((.cse34 (let ((.cse35 (let ((.cse36 (let ((.cse37 (let ((.cse38 (store |c_#memory_$Pointer$.base| c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse15 v_DerPreprocessor_33) .cse16 v_DerPreprocessor_29) .cse17 v_DerPreprocessor_30) .cse18 |#funAddr~sl_keepalive.base|) .cse19 v_DerPreprocessor_22) .cse20 v_DerPreprocessor_23) .cse21 |#funAddr~sl_outfill.base|)))) (store .cse38 c_~slip_devs~0.base (store (select .cse38 c_~slip_devs~0.base) .cse14 c_ULTIMATE.start_sl_alloc_~dev~3.base))))) (store .cse37 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (select .cse37 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse12 c_ULTIMATE.start_slip_open_~tty.base))))) (store .cse36 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse36 c_ULTIMATE.start_slip_open_~tty.base) .cse10 c_ULTIMATE.start_sl_alloc_~sl~11.base))))) (store .cse35 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (store (select .cse35 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse5 v_DerPreprocessor_18) .cse6 v_DerPreprocessor_16) .cse7 v_DerPreprocessor_12) .cse8 v_DerPreprocessor_13))))) (store .cse34 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse34 c_ULTIMATE.start_slip_open_~tty.base) .cse3 v_DerPreprocessor_10))) c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse22))) (.cse1 (select (select (let ((.cse2 (let ((.cse4 (let ((.cse9 (let ((.cse11 (let ((.cse13 (store |c_#memory_$Pointer$.offset| c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse15 v_DerPreprocessor_34) .cse16 v_DerPreprocessor_31) .cse17 v_DerPreprocessor_32) .cse18 |#funAddr~sl_keepalive.offset|) .cse19 v_DerPreprocessor_26) .cse20 v_DerPreprocessor_27) .cse21 |#funAddr~sl_outfill.offset|)))) (store .cse13 c_~slip_devs~0.base (store (select .cse13 c_~slip_devs~0.base) .cse14 c_ULTIMATE.start_sl_alloc_~dev~3.offset))))) (store .cse11 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (select .cse11 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse12 ULTIMATE.start_slip_open_~tty.offset))))) (store .cse9 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse9 c_ULTIMATE.start_slip_open_~tty.base) .cse10 c_ULTIMATE.start_sl_alloc_~sl~11.offset))))) (store .cse4 c_ULTIMATE.start_sl_alloc_~sl~11.base (store (store (store (store (select .cse4 c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse5 v_DerPreprocessor_19) .cse6 v_DerPreprocessor_17) .cse7 v_DerPreprocessor_14) .cse8 v_DerPreprocessor_15))))) (store .cse2 c_ULTIMATE.start_slip_open_~tty.base (store (select .cse2 c_ULTIMATE.start_slip_open_~tty.base) .cse3 v_DerPreprocessor_11))) c_ULTIMATE.start_sl_alloc_~sl~11.base) .cse22))) (concat (select .cse0 (bvadd (_ bv116 64) .cse1)) (select .cse0 (bvadd (_ bv112 64) .cse1)))))) (_ bv0 32))) is different from true