./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal92.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal92.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc --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 b68e84c6d971d5419c2725945c54769ea06ff3341156b49cec77d0b4be5475b1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:28:23,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:28:23,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:28:23,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:28:23,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:28:23,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:28:23,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:28:23,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:28:23,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:28:23,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:28:23,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:28:23,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:28:23,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:28:23,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:28:23,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:28:23,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:28:23,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:28:23,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:28:23,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:28:23,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:28:23,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:28:23,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:28:23,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:28:23,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:28:23,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:28:23,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:28:23,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:28:23,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:28:23,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:28:23,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:28:23,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:28:23,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:28:23,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:28:23,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:28:23,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:28:23,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:28:23,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:28:23,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:28:23,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:28:23,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:28:23,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:28:23,785 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:28:23,824 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:28:23,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:28:23,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:28:23,829 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:28:23,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:28:23,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:28:23,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:28:23,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:28:23,831 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:28:23,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:28:23,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:28:23,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:28:23,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:28:23,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:28:23,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:28:23,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:28:23,833 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:28:23,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:28:23,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:28:23,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:28:23,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:28:23,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:28:23,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:28:23,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:28:23,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:28:23,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:28:23,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:28:23,836 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:28:23,836 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:28:23,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:28:23,836 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_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b68e84c6d971d5419c2725945c54769ea06ff3341156b49cec77d0b4be5475b1 [2022-11-02 20:28:24,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:28:24,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:28:24,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:28:24,140 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:28:24,141 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:28:24,142 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal92.c [2022-11-02 20:28:24,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/data/3785a0fc4/be20a067e4a340c9876f1384a96ecadf/FLAGb373902b9 [2022-11-02 20:28:25,223 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:28:25,225 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal92.c [2022-11-02 20:28:25,314 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/data/3785a0fc4/be20a067e4a340c9876f1384a96ecadf/FLAGb373902b9 [2022-11-02 20:28:25,551 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/data/3785a0fc4/be20a067e4a340c9876f1384a96ecadf [2022-11-02 20:28:25,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:28:25,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:28:25,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:28:25,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:28:25,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:28:25,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:28:25" (1/1) ... [2022-11-02 20:28:25,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20806f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:25, skipping insertion in model container [2022-11-02 20:28:25,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:28:25" (1/1) ... [2022-11-02 20:28:25,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:28:25,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:28:26,237 WARN L230 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_45f8efe1-d47f-47d6-a14f-f95996386964/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal92.c[1107,1120] [2022-11-02 20:28:27,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:28:27,765 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:28:27,776 WARN L230 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_45f8efe1-d47f-47d6-a14f-f95996386964/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal92.c[1107,1120] [2022-11-02 20:28:28,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:28:28,568 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:28:28,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:28 WrapperNode [2022-11-02 20:28:28,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:28:28,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:28:28,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:28:28,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:28:28,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:28" (1/1) ... [2022-11-02 20:28:28,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:28" (1/1) ... [2022-11-02 20:28:30,508 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16910 [2022-11-02 20:28:30,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:28:30,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:28:30,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:28:30,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:28:30,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:28" (1/1) ... [2022-11-02 20:28:30,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:28" (1/1) ... [2022-11-02 20:28:30,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:28" (1/1) ... [2022-11-02 20:28:30,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:28" (1/1) ... [2022-11-02 20:28:31,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:28" (1/1) ... [2022-11-02 20:28:31,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:28" (1/1) ... [2022-11-02 20:28:31,755 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:28" (1/1) ... [2022-11-02 20:28:31,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:28" (1/1) ... [2022-11-02 20:28:32,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:28:32,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:28:32,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:28:32,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:28:32,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:28" (1/1) ... [2022-11-02 20:28:32,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:28:32,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:32,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:28:32,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:28:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:28:32,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:28:34,029 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:28:34,031 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:30:54,179 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:30:54,206 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:30:54,206 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:30:54,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:54 BoogieIcfgContainer [2022-11-02 20:30:54,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:30:54,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:30:54,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:30:54,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:30:54,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:28:25" (1/3) ... [2022-11-02 20:30:54,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3887efb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:30:54, skipping insertion in model container [2022-11-02 20:30:54,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:28" (2/3) ... [2022-11-02 20:30:54,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3887efb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:30:54, skipping insertion in model container [2022-11-02 20:30:54,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:54" (3/3) ... [2022-11-02 20:30:54,227 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal92.c [2022-11-02 20:30:54,250 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:30:54,251 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:30:54,369 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:30:54,380 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@9191ed1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:30:54,381 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:30:54,394 INFO L276 IsEmpty]: Start isEmpty. Operand has 1877 states, 1875 states have (on average 1.4997333333333334) internal successors, (2812), 1876 states have internal predecessors, (2812), 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) [2022-11-02 20:30:54,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 20:30:54,402 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:54,403 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:54,404 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:54,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:54,412 INFO L85 PathProgramCache]: Analyzing trace with hash -332259343, now seen corresponding path program 1 times [2022-11-02 20:30:54,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:54,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970365051] [2022-11-02 20:30:54,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:54,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:55,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:30:55,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:55,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970365051] [2022-11-02 20:30:55,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970365051] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:55,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:55,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:30:55,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592208796] [2022-11-02 20:30:55,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:55,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:30:55,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:55,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:30:55,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:30:55,843 INFO L87 Difference]: Start difference. First operand has 1877 states, 1875 states have (on average 1.4997333333333334) internal successors, (2812), 1876 states have internal predecessors, (2812), 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 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-02 20:30:57,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:57,506 INFO L93 Difference]: Finished difference Result 5620 states and 8429 transitions. [2022-11-02 20:30:57,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:30:57,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2022-11-02 20:30:57,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:57,537 INFO L225 Difference]: With dead ends: 5620 [2022-11-02 20:30:57,537 INFO L226 Difference]: Without dead ends: 3745 [2022-11-02 20:30:57,546 INFO L412 NwaCegarLoop]: 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 [2022-11-02 20:30:57,549 INFO L413 NwaCegarLoop]: 2764 mSDtfsCounter, 5604 mSDsluCounter, 5564 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5604 SdHoareTripleChecker+Valid, 8328 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:57,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5604 Valid, 8328 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-02 20:30:57,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3745 states. [2022-11-02 20:30:57,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3745 to 1875. [2022-11-02 20:30:57,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1874 states have (on average 1.4983991462113126) internal successors, (2808), 1874 states have internal predecessors, (2808), 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) [2022-11-02 20:30:57,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2808 transitions. [2022-11-02 20:30:57,701 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2808 transitions. Word has length 9 [2022-11-02 20:30:57,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:57,702 INFO L495 AbstractCegarLoop]: Abstraction has 1875 states and 2808 transitions. [2022-11-02 20:30:57,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-02 20:30:57,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2808 transitions. [2022-11-02 20:30:57,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 20:30:57,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:57,707 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:57,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:30:57,708 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:57,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:57,709 INFO L85 PathProgramCache]: Analyzing trace with hash -275001041, now seen corresponding path program 1 times [2022-11-02 20:30:57,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:57,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887082555] [2022-11-02 20:30:57,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:57,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:58,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:30:58,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:58,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887082555] [2022-11-02 20:30:58,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887082555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:58,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:58,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:30:58,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495462580] [2022-11-02 20:30:58,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:58,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:30:58,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:58,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:30:58,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:30:58,321 INFO L87 Difference]: Start difference. First operand 1875 states and 2808 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-02 20:30:59,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:59,778 INFO L93 Difference]: Finished difference Result 5618 states and 8417 transitions. [2022-11-02 20:30:59,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:30:59,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2022-11-02 20:30:59,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:59,793 INFO L225 Difference]: With dead ends: 5618 [2022-11-02 20:30:59,793 INFO L226 Difference]: Without dead ends: 3747 [2022-11-02 20:30:59,796 INFO L412 NwaCegarLoop]: 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 [2022-11-02 20:30:59,798 INFO L413 NwaCegarLoop]: 2766 mSDtfsCounter, 5601 mSDsluCounter, 5563 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5601 SdHoareTripleChecker+Valid, 8329 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:59,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5601 Valid, 8329 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-02 20:30:59,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3747 states. [2022-11-02 20:30:59,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3747 to 1877. [2022-11-02 20:30:59,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1877 states, 1876 states have (on average 1.4978678038379531) internal successors, (2810), 1876 states have internal predecessors, (2810), 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) [2022-11-02 20:30:59,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2810 transitions. [2022-11-02 20:30:59,854 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2810 transitions. Word has length 9 [2022-11-02 20:30:59,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:59,854 INFO L495 AbstractCegarLoop]: Abstraction has 1877 states and 2810 transitions. [2022-11-02 20:30:59,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-02 20:30:59,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2810 transitions. [2022-11-02 20:30:59,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 20:30:59,855 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:59,856 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:59,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:30:59,856 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:59,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:59,857 INFO L85 PathProgramCache]: Analyzing trace with hash -274941459, now seen corresponding path program 1 times [2022-11-02 20:30:59,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:59,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744256756] [2022-11-02 20:30:59,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:59,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:00,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:31:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:00,866 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:31:00,866 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 20:31:00,867 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:31:00,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:31:00,878 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-02 20:31:00,883 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:31:00,968 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-02 20:31:01,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:31:01 BoogieIcfgContainer [2022-11-02 20:31:01,000 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:31:01,001 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:31:01,001 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:31:01,001 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:31:01,002 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:54" (3/4) ... [2022-11-02 20:31:01,005 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:31:01,005 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:31:01,006 INFO L158 Benchmark]: Toolchain (without parser) took 155448.76ms. Allocated memory was 117.4MB in the beginning and 4.8GB in the end (delta: 4.6GB). Free memory was 79.5MB in the beginning and 3.8GB in the end (delta: -3.8GB). Peak memory consumption was 886.6MB. Max. memory is 16.1GB. [2022-11-02 20:31:01,006 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 90.2MB. Free memory was 46.2MB in the beginning and 46.1MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:31:01,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3008.58ms. Allocated memory was 117.4MB in the beginning and 369.1MB in the end (delta: 251.7MB). Free memory was 79.5MB in the beginning and 154.5MB in the end (delta: -75.0MB). Peak memory consumption was 175.9MB. Max. memory is 16.1GB. [2022-11-02 20:31:01,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 1936.95ms. Allocated memory was 369.1MB in the beginning and 820.0MB in the end (delta: 450.9MB). Free memory was 154.5MB in the beginning and 514.1MB in the end (delta: -359.7MB). Peak memory consumption was 177.2MB. Max. memory is 16.1GB. [2022-11-02 20:31:01,008 INFO L158 Benchmark]: Boogie Preprocessor took 1666.07ms. Allocated memory was 820.0MB in the beginning and 2.4GB in the end (delta: 1.6GB). Free memory was 514.1MB in the beginning and 2.0GB in the end (delta: -1.5GB). Peak memory consumption was 149.9MB. Max. memory is 16.1GB. [2022-11-02 20:31:01,009 INFO L158 Benchmark]: RCFGBuilder took 142035.75ms. Allocated memory was 2.4GB in the beginning and 4.8GB in the end (delta: 2.4GB). Free memory was 2.0GB in the beginning and 2.7GB in the end (delta: -663.9MB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. [2022-11-02 20:31:01,009 INFO L158 Benchmark]: TraceAbstraction took 6786.19ms. Allocated memory is still 4.8GB. Free memory was 2.6GB in the beginning and 3.8GB in the end (delta: -1.2GB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:31:01,009 INFO L158 Benchmark]: Witness Printer took 3.99ms. Allocated memory is still 4.8GB. Free memory is still 3.8GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:31:01,012 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 90.2MB. Free memory was 46.2MB in the beginning and 46.1MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3008.58ms. Allocated memory was 117.4MB in the beginning and 369.1MB in the end (delta: 251.7MB). Free memory was 79.5MB in the beginning and 154.5MB in the end (delta: -75.0MB). Peak memory consumption was 175.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1936.95ms. Allocated memory was 369.1MB in the beginning and 820.0MB in the end (delta: 450.9MB). Free memory was 154.5MB in the beginning and 514.1MB in the end (delta: -359.7MB). Peak memory consumption was 177.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1666.07ms. Allocated memory was 820.0MB in the beginning and 2.4GB in the end (delta: 1.6GB). Free memory was 514.1MB in the beginning and 2.0GB in the end (delta: -1.5GB). Peak memory consumption was 149.9MB. Max. memory is 16.1GB. * RCFGBuilder took 142035.75ms. Allocated memory was 2.4GB in the beginning and 4.8GB in the end (delta: 2.4GB). Free memory was 2.0GB in the beginning and 2.7GB in the end (delta: -663.9MB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. * TraceAbstraction took 6786.19ms. Allocated memory is still 4.8GB. Free memory was 2.6GB in the beginning and 3.8GB in the end (delta: -1.2GB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.99ms. Allocated memory is still 4.8GB. Free memory is still 3.8GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 566, overapproximation of bitwiseOr at line 564, overapproximation of bitwiseAnd at line 558. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 2); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (2 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 4); [L32] const SORT_6 msb_SORT_6 = (SORT_6)1 << (4 - 1); [L34] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 8); [L35] const SORT_9 msb_SORT_9 = (SORT_9)1 << (8 - 1); [L37] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 32); [L38] const SORT_11 msb_SORT_11 = (SORT_11)1 << (32 - 1); [L40] const SORT_27 mask_SORT_27 = (SORT_27)-1 >> (sizeof(SORT_27) * 8 - 3); [L41] const SORT_27 msb_SORT_27 = (SORT_27)1 << (3 - 1); [L43] const SORT_34 mask_SORT_34 = (SORT_34)-1 >> (sizeof(SORT_34) * 8 - 5); [L44] const SORT_34 msb_SORT_34 = (SORT_34)1 << (5 - 1); [L46] const SORT_47 mask_SORT_47 = (SORT_47)-1 >> (sizeof(SORT_47) * 8 - 6); [L47] const SORT_47 msb_SORT_47 = (SORT_47)1 << (6 - 1); [L49] const SORT_56 mask_SORT_56 = (SORT_56)-1 >> (sizeof(SORT_56) * 8 - 7); [L50] const SORT_56 msb_SORT_56 = (SORT_56)1 << (7 - 1); [L52] const SORT_263 mask_SORT_263 = (SORT_263)-1 >> (sizeof(SORT_263) * 8 - 9); [L53] const SORT_263 msb_SORT_263 = (SORT_263)1 << (9 - 1); [L55] const SORT_265 mask_SORT_265 = (SORT_265)-1 >> (sizeof(SORT_265) * 8 - 10); [L56] const SORT_265 msb_SORT_265 = (SORT_265)1 << (10 - 1); [L58] const SORT_267 mask_SORT_267 = (SORT_267)-1 >> (sizeof(SORT_267) * 8 - 11); [L59] const SORT_267 msb_SORT_267 = (SORT_267)1 << (11 - 1); [L61] const SORT_269 mask_SORT_269 = (SORT_269)-1 >> (sizeof(SORT_269) * 8 - 12); [L62] const SORT_269 msb_SORT_269 = (SORT_269)1 << (12 - 1); [L64] const SORT_604 mask_SORT_604 = (SORT_604)-1 >> (sizeof(SORT_604) * 8 - 14); [L65] const SORT_604 msb_SORT_604 = (SORT_604)1 << (14 - 1); [L67] const SORT_606 mask_SORT_606 = (SORT_606)-1 >> (sizeof(SORT_606) * 8 - 16); [L68] const SORT_606 msb_SORT_606 = (SORT_606)1 << (16 - 1); [L70] const SORT_608 mask_SORT_608 = (SORT_608)-1 >> (sizeof(SORT_608) * 8 - 22); [L71] const SORT_608 msb_SORT_608 = (SORT_608)1 << (22 - 1); [L73] const SORT_610 mask_SORT_610 = (SORT_610)-1 >> (sizeof(SORT_610) * 8 - 24); [L74] const SORT_610 msb_SORT_610 = (SORT_610)1 << (24 - 1); [L76] const SORT_612 mask_SORT_612 = (SORT_612)-1 >> (sizeof(SORT_612) * 8 - 30); [L77] const SORT_612 msb_SORT_612 = (SORT_612)1 << (30 - 1); [L79] const SORT_651 mask_SORT_651 = (SORT_651)-1 >> (sizeof(SORT_651) * 8 - 33); [L80] const SORT_651 msb_SORT_651 = (SORT_651)1 << (33 - 1); [L82] const SORT_808 mask_SORT_808 = (SORT_808)-1 >> (sizeof(SORT_808) * 8 - 13); [L83] const SORT_808 msb_SORT_808 = (SORT_808)1 << (13 - 1); [L85] const SORT_811 mask_SORT_811 = (SORT_811)-1 >> (sizeof(SORT_811) * 8 - 15); [L86] const SORT_811 msb_SORT_811 = (SORT_811)1 << (15 - 1); [L88] const SORT_814 mask_SORT_814 = (SORT_814)-1 >> (sizeof(SORT_814) * 8 - 17); [L89] const SORT_814 msb_SORT_814 = (SORT_814)1 << (17 - 1); [L91] const SORT_816 mask_SORT_816 = (SORT_816)-1 >> (sizeof(SORT_816) * 8 - 18); [L92] const SORT_816 msb_SORT_816 = (SORT_816)1 << (18 - 1); [L94] const SORT_907 mask_SORT_907 = (SORT_907)-1 >> (sizeof(SORT_907) * 8 - 19); [L95] const SORT_907 msb_SORT_907 = (SORT_907)1 << (19 - 1); [L97] const SORT_909 mask_SORT_909 = (SORT_909)-1 >> (sizeof(SORT_909) * 8 - 20); [L98] const SORT_909 msb_SORT_909 = (SORT_909)1 << (20 - 1); [L100] const SORT_911 mask_SORT_911 = (SORT_911)-1 >> (sizeof(SORT_911) * 8 - 21); [L101] const SORT_911 msb_SORT_911 = (SORT_911)1 << (21 - 1); [L103] const SORT_1128 mask_SORT_1128 = (SORT_1128)-1 >> (sizeof(SORT_1128) * 8 - 23); [L104] const SORT_1128 msb_SORT_1128 = (SORT_1128)1 << (23 - 1); [L106] const SORT_1276 mask_SORT_1276 = (SORT_1276)-1 >> (sizeof(SORT_1276) * 8 - 26); [L107] const SORT_1276 msb_SORT_1276 = (SORT_1276)1 << (26 - 1); [L109] const SORT_1318 mask_SORT_1318 = (SORT_1318)-1 >> (sizeof(SORT_1318) * 8 - 25); [L110] const SORT_1318 msb_SORT_1318 = (SORT_1318)1 << (25 - 1); [L112] const SORT_1323 mask_SORT_1323 = (SORT_1323)-1 >> (sizeof(SORT_1323) * 8 - 27); [L113] const SORT_1323 msb_SORT_1323 = (SORT_1323)1 << (27 - 1); [L115] const SORT_1326 mask_SORT_1326 = (SORT_1326)-1 >> (sizeof(SORT_1326) * 8 - 28); [L116] const SORT_1326 msb_SORT_1326 = (SORT_1326)1 << (28 - 1); [L118] const SORT_1329 mask_SORT_1329 = (SORT_1329)-1 >> (sizeof(SORT_1329) * 8 - 29); [L119] const SORT_1329 msb_SORT_1329 = (SORT_1329)1 << (29 - 1); [L121] const SORT_1334 mask_SORT_1334 = (SORT_1334)-1 >> (sizeof(SORT_1334) * 8 - 31); [L122] const SORT_1334 msb_SORT_1334 = (SORT_1334)1 << (31 - 1); [L124] const SORT_3042 mask_SORT_3042 = (SORT_3042)-1 >> (sizeof(SORT_3042) * 8 - 34); [L125] const SORT_3042 msb_SORT_3042 = (SORT_3042)1 << (34 - 1); [L127] const SORT_3 var_105 = 0; [L128] const SORT_3 var_121 = 1; [L129] const SORT_1 var_128 = 0; [L130] const SORT_1 var_136 = 3; [L131] const SORT_1 var_138 = 2; [L132] const SORT_1 var_140 = 1; [L133] const SORT_27 var_144 = 1; [L134] const SORT_27 var_147 = 3; [L135] const SORT_27 var_150 = 2; [L136] const SORT_27 var_154 = 5; [L137] const SORT_27 var_157 = 7; [L138] const SORT_27 var_160 = 6; [L139] const SORT_27 var_164 = 4; [L140] const SORT_9 var_190 = 0; [L141] const SORT_34 var_211 = 11; [L142] const SORT_34 var_213 = 10; [L143] const SORT_34 var_215 = 2; [L144] const SORT_34 var_217 = 9; [L145] const SORT_34 var_232 = 21; [L146] const SORT_34 var_234 = 20; [L147] const SORT_34 var_236 = 19; [L148] const SORT_34 var_238 = 18; [L149] const SORT_34 var_240 = 17; [L150] const SORT_34 var_242 = 16; [L151] const SORT_34 var_244 = 15; [L152] const SORT_34 var_246 = 14; [L153] const SORT_34 var_248 = 8; [L154] const SORT_34 var_250 = 6; [L155] const SORT_34 var_252 = 3; [L156] const SORT_34 var_254 = 5; [L157] const SORT_34 var_272 = 4; [L158] const SORT_34 var_274 = 1; [L159] const SORT_34 var_284 = 7; [L160] const SORT_34 var_302 = 13; [L161] const SORT_34 var_310 = 12; [L162] const SORT_34 var_331 = 23; [L163] const SORT_34 var_334 = 22; [L164] const SORT_34 var_343 = 25; [L165] const SORT_34 var_346 = 27; [L166] const SORT_34 var_349 = 26; [L167] const SORT_34 var_353 = 29; [L168] const SORT_34 var_356 = 31; [L169] const SORT_34 var_359 = 30; [L170] const SORT_34 var_363 = 28; [L171] const SORT_34 var_369 = 24; [L172] const SORT_47 var_392 = 0; [L173] const SORT_9 var_468 = 3; [L174] const SORT_27 var_510 = 0; [L175] const SORT_11 var_533 = 0; [L176] const SORT_651 var_652 = 0; [L177] const SORT_9 var_821 = 2; [L178] const SORT_9 var_824 = 1; [L179] const SORT_6 var_1268 = 8; [L180] const SORT_1276 var_1277 = 0; [L181] const SORT_9 var_1363 = 255; [L182] const SORT_47 var_1367 = 1; [L183] const SORT_6 var_1483 = 0; [L184] const SORT_34 var_2395 = 0; [L185] const SORT_6 var_2422 = 1; [L186] const SORT_6 var_2425 = 3; [L187] const SORT_6 var_2428 = 2; [L188] const SORT_6 var_2432 = 5; [L189] const SORT_6 var_2435 = 7; [L190] const SORT_6 var_2438 = 6; [L191] const SORT_6 var_2442 = 4; [L192] const SORT_6 var_2448 = 9; [L193] const SORT_6 var_2451 = 11; [L194] const SORT_6 var_2454 = 10; [L195] const SORT_6 var_2458 = 13; [L196] const SORT_6 var_2461 = 15; [L197] const SORT_6 var_2464 = 14; [L198] const SORT_6 var_2468 = 12; [L199] const SORT_1326 var_2654 = 0; [L200] const SORT_3042 var_3044 = 0; [L201] const SORT_56 var_3067 = 0; [L203] SORT_1 input_2; [L204] SORT_3 input_4; [L205] SORT_3 input_5; [L206] SORT_6 input_7; [L207] SORT_3 input_8; [L208] SORT_9 input_10; [L209] SORT_11 input_12; [L210] SORT_1 input_13; [L211] SORT_9 input_14; [L212] SORT_9 input_15; [L213] SORT_9 input_16; [L214] SORT_1 input_17; [L215] SORT_9 input_18; [L216] SORT_9 input_19; [L217] SORT_9 input_20; [L218] SORT_3 input_21; [L219] SORT_3 input_22; [L220] SORT_3 input_23; [L221] SORT_3 input_24; [L222] SORT_3 input_25; [L223] SORT_1 input_26; [L224] SORT_27 input_28; [L225] SORT_1 input_29; [L226] SORT_3 input_30; [L227] SORT_3 input_31; [L228] SORT_3 input_32; [L229] SORT_3 input_33; [L230] SORT_34 input_35; [L231] SORT_1 input_36; [L232] SORT_9 input_37; [L233] SORT_11 input_38; [L234] SORT_27 input_39; [L235] SORT_9 input_40; [L236] SORT_3 input_41; [L237] SORT_1 input_42; [L238] SORT_34 input_43; [L239] SORT_3 input_44; [L240] SORT_3 input_45; [L241] SORT_1 input_46; [L242] SORT_47 input_48; [L243] SORT_1 input_49; [L244] SORT_47 input_50; [L245] SORT_1 input_51; [L246] SORT_47 input_52; [L247] SORT_1 input_53; [L248] SORT_47 input_54; [L249] SORT_3 input_55; [L250] SORT_56 input_57; [L251] SORT_3 input_58; [L252] SORT_1 input_59; [L253] SORT_3 input_60; [L254] SORT_9 input_61; [L255] SORT_3 input_62; [L256] SORT_3 input_63; [L257] SORT_3 input_64; [L258] SORT_3 input_65; [L259] SORT_3 input_66; [L260] SORT_3 input_67; [L261] SORT_3 input_68; [L262] SORT_3 input_69; [L263] SORT_56 input_70; [L264] SORT_56 input_71; [L265] SORT_3 input_72; [L266] SORT_3 input_73; [L267] SORT_9 input_74; [L268] SORT_9 input_75; [L269] SORT_11 input_76; [L270] SORT_11 input_77; [L271] SORT_47 input_78; [L272] SORT_47 input_79; [L273] SORT_1 input_80; [L274] SORT_1 input_81; [L275] SORT_47 input_82; [L276] SORT_47 input_83; [L277] SORT_1 input_84; [L278] SORT_1 input_85; [L279] SORT_47 input_86; [L280] SORT_47 input_87; [L281] SORT_1 input_88; [L282] SORT_1 input_89; [L283] SORT_47 input_90; [L284] SORT_47 input_91; [L285] SORT_1 input_92; [L286] SORT_1 input_93; [L287] SORT_27 input_94; [L288] SORT_27 input_95; [L289] SORT_9 input_96; [L290] SORT_9 input_97; [L291] SORT_1 input_98; [L292] SORT_9 input_99; [L293] SORT_3 input_100; [L294] SORT_34 input_101; [L295] SORT_34 input_102; [L296] SORT_1 input_103; [L297] SORT_1 input_104; [L299] SORT_3 state_106 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L300] SORT_3 state_109 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L301] SORT_3 state_111 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L302] SORT_3 state_114 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L303] SORT_3 state_125 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L304] SORT_1 state_129 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L305] SORT_9 state_191 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L306] SORT_1 state_416 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L307] SORT_9 state_498 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L308] SORT_27 state_511 = __VERIFIER_nondet_uchar() & mask_SORT_27; [L309] SORT_11 state_534 = __VERIFIER_nondet_uint() & mask_SORT_11; [L310] SORT_47 state_579 = __VERIFIER_nondet_uchar() & mask_SORT_47; [L311] SORT_1 state_582 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L312] SORT_47 state_585 = __VERIFIER_nondet_uchar() & mask_SORT_47; [L313] SORT_1 state_588 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L314] SORT_47 state_591 = __VERIFIER_nondet_uchar() & mask_SORT_47; [L315] SORT_1 state_594 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L316] SORT_47 state_597 = __VERIFIER_nondet_uchar() & mask_SORT_47; [L317] SORT_1 state_600 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L318] SORT_9 state_630 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L319] SORT_3 state_648 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L320] SORT_34 state_3051 = __VERIFIER_nondet_uchar() & mask_SORT_34; [L321] SORT_1 state_3055 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L322] SORT_3 state_3064 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L323] SORT_56 state_3068 = __VERIFIER_nondet_uchar() & mask_SORT_56; [L324] SORT_3 state_3081 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L325] SORT_3 state_3084 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L326] SORT_9 state_3124 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L327] SORT_27 state_3141 = __VERIFIER_nondet_uchar() & mask_SORT_27; [L328] SORT_11 state_3163 = __VERIFIER_nondet_uint() & mask_SORT_11; [L329] SORT_47 state_3184 = __VERIFIER_nondet_uchar() & mask_SORT_47; [L330] SORT_1 state_3187 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L331] SORT_47 state_3190 = __VERIFIER_nondet_uchar() & mask_SORT_47; [L332] SORT_1 state_3193 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L333] SORT_47 state_3196 = __VERIFIER_nondet_uchar() & mask_SORT_47; [L334] SORT_1 state_3199 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L335] SORT_47 state_3202 = __VERIFIER_nondet_uchar() & mask_SORT_47; [L336] SORT_1 state_3205 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L337] SORT_9 state_3278 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L338] SORT_3 state_3302 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L339] SORT_34 state_3788 = __VERIFIER_nondet_uchar() & mask_SORT_34; [L340] SORT_3 state_3793 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L341] SORT_3 state_3796 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L342] SORT_56 state_3799 = __VERIFIER_nondet_uchar() & mask_SORT_56; [L344] SORT_3 init_107_arg_1 = var_105; [L345] state_106 = init_107_arg_1 [L346] SORT_3 init_110_arg_1 = var_105; [L347] state_109 = init_110_arg_1 [L348] SORT_3 init_112_arg_1 = var_105; [L349] state_111 = init_112_arg_1 [L350] SORT_3 init_115_arg_1 = var_105; [L351] state_114 = init_115_arg_1 [L352] SORT_3 init_126_arg_1 = var_105; [L353] state_125 = init_126_arg_1 [L354] SORT_1 init_130_arg_1 = var_128; [L355] state_129 = init_130_arg_1 [L356] SORT_9 init_192_arg_1 = var_190; [L357] state_191 = init_192_arg_1 [L358] SORT_1 init_417_arg_1 = var_128; [L359] state_416 = init_417_arg_1 [L360] SORT_9 init_499_arg_1 = var_190; [L361] state_498 = init_499_arg_1 [L362] SORT_27 init_512_arg_1 = var_510; [L363] state_511 = init_512_arg_1 [L364] SORT_11 init_535_arg_1 = var_533; [L365] state_534 = init_535_arg_1 [L366] SORT_47 init_580_arg_1 = var_392; [L367] state_579 = init_580_arg_1 [L368] SORT_1 init_583_arg_1 = var_128; [L369] state_582 = init_583_arg_1 [L370] SORT_47 init_586_arg_1 = var_392; [L371] state_585 = init_586_arg_1 [L372] SORT_1 init_589_arg_1 = var_128; [L373] state_588 = init_589_arg_1 [L374] SORT_47 init_592_arg_1 = var_392; [L375] state_591 = init_592_arg_1 [L376] SORT_1 init_595_arg_1 = var_128; [L377] state_594 = init_595_arg_1 [L378] SORT_47 init_598_arg_1 = var_392; [L379] state_597 = init_598_arg_1 [L380] SORT_1 init_601_arg_1 = var_128; [L381] state_600 = init_601_arg_1 [L382] SORT_9 init_631_arg_1 = var_190; [L383] state_630 = init_631_arg_1 [L384] SORT_3 init_649_arg_1 = var_105; [L385] state_648 = init_649_arg_1 [L386] SORT_34 init_3052_arg_1 = var_2395; [L387] state_3051 = init_3052_arg_1 [L388] SORT_1 init_3056_arg_1 = var_128; [L389] state_3055 = init_3056_arg_1 [L390] SORT_3 init_3065_arg_1 = var_105; [L391] state_3064 = init_3065_arg_1 [L392] SORT_56 init_3069_arg_1 = var_3067; [L393] state_3068 = init_3069_arg_1 [L394] SORT_3 init_3082_arg_1 = var_105; [L395] state_3081 = init_3082_arg_1 [L396] SORT_3 init_3085_arg_1 = var_105; [L397] state_3084 = init_3085_arg_1 [L398] SORT_9 init_3125_arg_1 = var_190; [L399] state_3124 = init_3125_arg_1 [L400] SORT_27 init_3142_arg_1 = var_510; [L401] state_3141 = init_3142_arg_1 [L402] SORT_11 init_3164_arg_1 = var_533; [L403] state_3163 = init_3164_arg_1 [L404] SORT_47 init_3185_arg_1 = var_392; [L405] state_3184 = init_3185_arg_1 [L406] SORT_1 init_3188_arg_1 = var_128; [L407] state_3187 = init_3188_arg_1 [L408] SORT_47 init_3191_arg_1 = var_392; [L409] state_3190 = init_3191_arg_1 [L410] SORT_1 init_3194_arg_1 = var_128; [L411] state_3193 = init_3194_arg_1 [L412] SORT_47 init_3197_arg_1 = var_392; [L413] state_3196 = init_3197_arg_1 [L414] SORT_1 init_3200_arg_1 = var_128; [L415] state_3199 = init_3200_arg_1 [L416] SORT_47 init_3203_arg_1 = var_392; [L417] state_3202 = init_3203_arg_1 [L418] SORT_1 init_3206_arg_1 = var_128; [L419] state_3205 = init_3206_arg_1 [L420] SORT_9 init_3279_arg_1 = var_190; [L421] state_3278 = init_3279_arg_1 [L422] SORT_3 init_3303_arg_1 = var_105; [L423] state_3302 = init_3303_arg_1 [L424] SORT_34 init_3789_arg_1 = var_2395; [L425] state_3788 = init_3789_arg_1 [L426] SORT_3 init_3794_arg_1 = var_105; [L427] state_3793 = init_3794_arg_1 [L428] SORT_3 init_3797_arg_1 = var_105; [L429] state_3796 = init_3797_arg_1 [L430] SORT_56 init_3800_arg_1 = var_3067; [L431] state_3799 = init_3800_arg_1 VAL [init_107_arg_1=0, init_110_arg_1=0, init_112_arg_1=0, init_115_arg_1=0, init_126_arg_1=0, init_130_arg_1=0, init_192_arg_1=0, init_3052_arg_1=0, init_3056_arg_1=0, init_3065_arg_1=0, init_3069_arg_1=0, init_3082_arg_1=0, init_3085_arg_1=0, init_3125_arg_1=0, init_3142_arg_1=0, init_3164_arg_1=0, init_3185_arg_1=0, init_3188_arg_1=0, init_3191_arg_1=0, init_3194_arg_1=0, init_3197_arg_1=0, init_3200_arg_1=0, init_3203_arg_1=0, init_3206_arg_1=0, init_3279_arg_1=0, init_3303_arg_1=0, init_3789_arg_1=0, init_3794_arg_1=0, init_3797_arg_1=0, init_3800_arg_1=0, init_417_arg_1=0, init_499_arg_1=0, init_512_arg_1=0, init_535_arg_1=0, init_580_arg_1=0, init_583_arg_1=0, init_586_arg_1=0, init_589_arg_1=0, init_592_arg_1=0, init_595_arg_1=0, init_598_arg_1=0, init_601_arg_1=0, init_631_arg_1=0, init_649_arg_1=0, mask_SORT_1=3, mask_SORT_11=4294967295, mask_SORT_1128=4294967295, mask_SORT_1276=4294967295, mask_SORT_1318=4294967295, mask_SORT_1323=4294967295, mask_SORT_1326=4294967295, mask_SORT_1329=4294967295, mask_SORT_1334=4294967295, mask_SORT_263=511, mask_SORT_265=1023, mask_SORT_267=2047, mask_SORT_269=4095, mask_SORT_27=7, mask_SORT_3=1, mask_SORT_3042=18446744073709551615, mask_SORT_34=31, mask_SORT_47=63, mask_SORT_56=127, mask_SORT_6=15, mask_SORT_604=16383, mask_SORT_606=65535, mask_SORT_608=4294967295, mask_SORT_610=4294967295, mask_SORT_612=4294967295, mask_SORT_651=1, mask_SORT_808=8191, mask_SORT_811=32767, mask_SORT_814=4294967295, mask_SORT_816=4294967295, mask_SORT_9=255, mask_SORT_907=4294967295, mask_SORT_909=4294967295, mask_SORT_911=4294967295, msb_SORT_1=2, msb_SORT_11=2147483648, msb_SORT_1128=4194304, msb_SORT_1276=33554432, msb_SORT_1318=16777216, msb_SORT_1323=67108864, msb_SORT_1326=134217728, msb_SORT_1329=268435456, msb_SORT_1334=1073741824, msb_SORT_263=256, msb_SORT_265=512, msb_SORT_267=1024, msb_SORT_269=2048, msb_SORT_27=4, msb_SORT_3=1, msb_SORT_3042=8589934592, msb_SORT_34=16, msb_SORT_47=32, msb_SORT_56=64, msb_SORT_6=8, msb_SORT_604=8192, msb_SORT_606=32768, msb_SORT_608=2097152, msb_SORT_610=8388608, msb_SORT_612=536870912, msb_SORT_651=4294967296, msb_SORT_808=4096, msb_SORT_811=16384, msb_SORT_814=65536, msb_SORT_816=131072, msb_SORT_9=128, msb_SORT_907=262144, msb_SORT_909=524288, msb_SORT_911=1048576, state_106=0, state_109=0, state_111=0, state_114=0, state_125=0, state_129=0, state_191=0, state_3051=0, state_3055=0, state_3064=0, state_3068=0, state_3081=0, state_3084=0, state_3124=0, state_3141=0, state_3163=0, state_3184=0, state_3187=0, state_3190=0, state_3193=0, state_3196=0, state_3199=0, state_3202=0, state_3205=0, state_3278=0, state_3302=0, state_3788=0, state_3793=0, state_3796=0, state_3799=0, state_416=0, state_498=0, state_511=0, state_534=0, state_579=0, state_582=0, state_585=0, state_588=0, state_591=0, state_594=0, state_597=0, state_600=0, state_630=0, state_648=0, var_105=0, var_121=1, var_1268=8, var_1277=0, var_128=0, var_136=3, var_1363=255, var_1367=1, var_138=2, var_140=1, var_144=1, var_147=3, var_1483=0, var_150=2, var_154=5, var_157=7, var_160=6, var_164=4, var_190=0, var_211=11, var_213=10, var_215=2, var_217=9, var_232=21, var_234=20, var_236=19, var_238=18, var_2395=0, var_240=17, var_242=16, var_2422=1, var_2425=3, var_2428=2, var_2432=5, var_2435=7, var_2438=6, var_244=15, var_2442=4, var_2448=9, var_2451=11, var_2454=10, var_2458=13, var_246=14, var_2461=15, var_2464=14, var_2468=12, var_248=8, var_250=6, var_252=3, var_254=5, var_2654=0, var_272=4, var_274=1, var_284=7, var_302=13, var_3044=0, var_3067=0, var_310=12, var_331=23, var_334=22, var_343=25, var_346=27, var_349=26, var_353=29, var_356=31, var_359=30, var_363=28, var_369=24, var_392=0, var_468=3, var_510=0, var_533=0, var_652=0, var_821=2, var_824=1] [L434] input_2 = __VERIFIER_nondet_uchar() [L435] input_2 = input_2 & mask_SORT_1 [L436] input_4 = __VERIFIER_nondet_uchar() [L437] input_5 = __VERIFIER_nondet_uchar() [L438] input_5 = input_5 & mask_SORT_3 [L439] input_7 = __VERIFIER_nondet_uchar() [L440] input_7 = input_7 & mask_SORT_6 [L441] input_8 = __VERIFIER_nondet_uchar() [L442] input_8 = input_8 & mask_SORT_3 [L443] input_10 = __VERIFIER_nondet_uchar() [L444] input_12 = __VERIFIER_nondet_uint() [L445] input_13 = __VERIFIER_nondet_uchar() [L446] input_13 = input_13 & mask_SORT_1 [L447] input_14 = __VERIFIER_nondet_uchar() [L448] input_15 = __VERIFIER_nondet_uchar() [L449] input_16 = __VERIFIER_nondet_uchar() [L450] input_17 = __VERIFIER_nondet_uchar() [L451] input_17 = input_17 & mask_SORT_1 [L452] input_18 = __VERIFIER_nondet_uchar() [L453] input_19 = __VERIFIER_nondet_uchar() [L454] input_20 = __VERIFIER_nondet_uchar() [L455] input_21 = __VERIFIER_nondet_uchar() [L456] input_21 = input_21 & mask_SORT_3 [L457] input_22 = __VERIFIER_nondet_uchar() [L458] input_22 = input_22 & mask_SORT_3 [L459] input_23 = __VERIFIER_nondet_uchar() [L460] input_24 = __VERIFIER_nondet_uchar() [L461] input_24 = input_24 & mask_SORT_3 [L462] input_25 = __VERIFIER_nondet_uchar() [L463] input_25 = input_25 & mask_SORT_3 [L464] input_26 = __VERIFIER_nondet_uchar() [L465] input_26 = input_26 & mask_SORT_1 [L466] input_28 = __VERIFIER_nondet_uchar() [L467] input_28 = input_28 & mask_SORT_27 [L468] input_29 = __VERIFIER_nondet_uchar() [L469] input_29 = input_29 & mask_SORT_1 [L470] input_30 = __VERIFIER_nondet_uchar() [L471] input_30 = input_30 & mask_SORT_3 [L472] input_31 = __VERIFIER_nondet_uchar() [L473] input_32 = __VERIFIER_nondet_uchar() [L474] input_33 = __VERIFIER_nondet_uchar() [L475] input_33 = input_33 & mask_SORT_3 [L476] input_35 = __VERIFIER_nondet_uchar() [L477] input_35 = input_35 & mask_SORT_34 [L478] input_36 = __VERIFIER_nondet_uchar() [L479] input_37 = __VERIFIER_nondet_uchar() [L480] input_38 = __VERIFIER_nondet_uint() [L481] input_39 = __VERIFIER_nondet_uchar() [L482] input_40 = __VERIFIER_nondet_uchar() [L483] input_41 = __VERIFIER_nondet_uchar() [L484] input_42 = __VERIFIER_nondet_uchar() [L485] input_43 = __VERIFIER_nondet_uchar() [L486] input_44 = __VERIFIER_nondet_uchar() [L487] input_45 = __VERIFIER_nondet_uchar() [L488] input_46 = __VERIFIER_nondet_uchar() [L489] input_48 = __VERIFIER_nondet_uchar() [L490] input_49 = __VERIFIER_nondet_uchar() [L491] input_50 = __VERIFIER_nondet_uchar() [L492] input_51 = __VERIFIER_nondet_uchar() [L493] input_52 = __VERIFIER_nondet_uchar() [L494] input_53 = __VERIFIER_nondet_uchar() [L495] input_54 = __VERIFIER_nondet_uchar() [L496] input_55 = __VERIFIER_nondet_uchar() [L497] input_57 = __VERIFIER_nondet_uchar() [L498] input_58 = __VERIFIER_nondet_uchar() [L499] input_59 = __VERIFIER_nondet_uchar() [L500] input_60 = __VERIFIER_nondet_uchar() [L501] input_61 = __VERIFIER_nondet_uchar() [L502] input_62 = __VERIFIER_nondet_uchar() [L503] input_63 = __VERIFIER_nondet_uchar() [L504] input_64 = __VERIFIER_nondet_uchar() [L505] input_65 = __VERIFIER_nondet_uchar() [L506] input_66 = __VERIFIER_nondet_uchar() [L507] input_67 = __VERIFIER_nondet_uchar() [L508] input_68 = __VERIFIER_nondet_uchar() [L509] input_69 = __VERIFIER_nondet_uchar() [L510] input_70 = __VERIFIER_nondet_uchar() [L511] input_71 = __VERIFIER_nondet_uchar() [L512] input_72 = __VERIFIER_nondet_uchar() [L513] input_73 = __VERIFIER_nondet_uchar() [L514] input_74 = __VERIFIER_nondet_uchar() [L515] input_75 = __VERIFIER_nondet_uchar() [L516] input_76 = __VERIFIER_nondet_uint() [L517] input_77 = __VERIFIER_nondet_uint() [L518] input_78 = __VERIFIER_nondet_uchar() [L519] input_79 = __VERIFIER_nondet_uchar() [L520] input_80 = __VERIFIER_nondet_uchar() [L521] input_81 = __VERIFIER_nondet_uchar() [L522] input_82 = __VERIFIER_nondet_uchar() [L523] input_83 = __VERIFIER_nondet_uchar() [L524] input_84 = __VERIFIER_nondet_uchar() [L525] input_85 = __VERIFIER_nondet_uchar() [L526] input_86 = __VERIFIER_nondet_uchar() [L527] input_87 = __VERIFIER_nondet_uchar() [L528] input_88 = __VERIFIER_nondet_uchar() [L529] input_89 = __VERIFIER_nondet_uchar() [L530] input_90 = __VERIFIER_nondet_uchar() [L531] input_91 = __VERIFIER_nondet_uchar() [L532] input_92 = __VERIFIER_nondet_uchar() [L533] input_93 = __VERIFIER_nondet_uchar() [L534] input_94 = __VERIFIER_nondet_uchar() [L535] input_95 = __VERIFIER_nondet_uchar() [L536] input_96 = __VERIFIER_nondet_uchar() [L537] input_97 = __VERIFIER_nondet_uchar() [L538] input_98 = __VERIFIER_nondet_uchar() [L539] input_99 = __VERIFIER_nondet_uchar() [L540] input_100 = __VERIFIER_nondet_uchar() [L541] input_101 = __VERIFIER_nondet_uchar() [L542] input_102 = __VERIFIER_nondet_uchar() [L543] input_103 = __VERIFIER_nondet_uchar() [L544] input_104 = __VERIFIER_nondet_uchar() [L547] SORT_3 var_108_arg_0 = state_106; [L548] SORT_3 var_108 = ~var_108_arg_0; [L549] SORT_3 var_113_arg_0 = state_111; [L550] SORT_3 var_113_arg_1 = state_109; [L551] SORT_3 var_113_arg_2 = input_41; VAL [init_107_arg_1=0, init_110_arg_1=0, init_112_arg_1=0, init_115_arg_1=0, init_126_arg_1=0, init_130_arg_1=0, init_192_arg_1=0, init_3052_arg_1=0, init_3056_arg_1=0, init_3065_arg_1=0, init_3069_arg_1=0, init_3082_arg_1=0, init_3085_arg_1=0, init_3125_arg_1=0, init_3142_arg_1=0, init_3164_arg_1=0, init_3185_arg_1=0, init_3188_arg_1=0, init_3191_arg_1=0, init_3194_arg_1=0, init_3197_arg_1=0, init_3200_arg_1=0, init_3203_arg_1=0, init_3206_arg_1=0, init_3279_arg_1=0, init_3303_arg_1=0, init_3789_arg_1=0, init_3794_arg_1=0, init_3797_arg_1=0, init_3800_arg_1=0, init_417_arg_1=0, init_499_arg_1=0, init_512_arg_1=0, init_535_arg_1=0, init_580_arg_1=0, init_583_arg_1=0, init_586_arg_1=0, init_589_arg_1=0, init_592_arg_1=0, init_595_arg_1=0, init_598_arg_1=0, init_601_arg_1=0, init_631_arg_1=0, init_649_arg_1=0, input_10=58, input_100=56, input_101=30, input_102=1, input_103=59, input_104=12, input_12=31, input_13=0, input_14=7, input_15=21, input_16=23, input_17=1, input_18=44, input_19=62, input_2=0, input_20=45, input_21=0, input_22=0, input_23=4, input_24=0, input_25=1, input_26=1, input_28=0, input_29=1, input_30=1, input_31=34, input_32=73, input_33=1, input_35=0, input_36=3, input_37=33, input_38=64, input_39=8, input_4=25, input_40=72, input_41=0, input_42=13, input_43=17, input_44=71, input_45=48, input_46=57, input_48=53, input_49=69, input_5=1, input_50=11, input_51=70, input_52=35, input_53=16, input_54=42, input_55=67, input_57=51, input_58=60, input_59=27, input_60=46, input_61=24, input_62=10, input_63=38, input_64=50, input_65=18, input_66=74, input_67=52, input_68=15, input_69=6, input_7=15, input_70=66, input_71=29, input_72=63, input_73=61, input_74=14, input_75=41, input_76=19, input_77=76, input_78=54, input_79=26, input_8=1, input_80=32, input_81=43, input_82=2, input_83=68, input_84=65, input_85=55, input_86=37, input_87=20, input_88=78, input_89=47, input_90=75, input_91=40, input_92=49, input_93=5, input_94=39, input_95=28, input_96=36, input_97=77, input_98=22, input_99=9, mask_SORT_1=3, mask_SORT_11=4294967295, mask_SORT_1128=4294967295, mask_SORT_1276=4294967295, mask_SORT_1318=4294967295, mask_SORT_1323=4294967295, mask_SORT_1326=4294967295, mask_SORT_1329=4294967295, mask_SORT_1334=4294967295, mask_SORT_263=511, mask_SORT_265=1023, mask_SORT_267=2047, mask_SORT_269=4095, mask_SORT_27=7, mask_SORT_3=1, mask_SORT_3042=18446744073709551615, mask_SORT_34=31, mask_SORT_47=63, mask_SORT_56=127, mask_SORT_6=15, mask_SORT_604=16383, mask_SORT_606=65535, mask_SORT_608=4294967295, mask_SORT_610=4294967295, mask_SORT_612=4294967295, mask_SORT_651=1, mask_SORT_808=8191, mask_SORT_811=32767, mask_SORT_814=4294967295, mask_SORT_816=4294967295, mask_SORT_9=255, mask_SORT_907=4294967295, mask_SORT_909=4294967295, mask_SORT_911=4294967295, msb_SORT_1=2, msb_SORT_11=2147483648, msb_SORT_1128=4194304, msb_SORT_1276=33554432, msb_SORT_1318=16777216, msb_SORT_1323=67108864, msb_SORT_1326=134217728, msb_SORT_1329=268435456, msb_SORT_1334=1073741824, msb_SORT_263=256, msb_SORT_265=512, msb_SORT_267=1024, msb_SORT_269=2048, msb_SORT_27=4, msb_SORT_3=1, msb_SORT_3042=8589934592, msb_SORT_34=16, msb_SORT_47=32, msb_SORT_56=64, msb_SORT_6=8, msb_SORT_604=8192, msb_SORT_606=32768, msb_SORT_608=2097152, msb_SORT_610=8388608, msb_SORT_612=536870912, msb_SORT_651=4294967296, msb_SORT_808=4096, msb_SORT_811=16384, msb_SORT_814=65536, msb_SORT_816=131072, msb_SORT_9=128, msb_SORT_907=262144, msb_SORT_909=524288, msb_SORT_911=1048576, state_106=0, state_109=0, state_111=0, state_114=0, state_125=0, state_129=0, state_191=0, state_3051=0, state_3055=0, state_3064=0, state_3068=0, state_3081=0, state_3084=0, state_3124=0, state_3141=0, state_3163=0, state_3184=0, state_3187=0, state_3190=0, state_3193=0, state_3196=0, state_3199=0, state_3202=0, state_3205=0, state_3278=0, state_3302=0, state_3788=0, state_3793=0, state_3796=0, state_3799=0, state_416=0, state_498=0, state_511=0, state_534=0, state_579=0, state_582=0, state_585=0, state_588=0, state_591=0, state_594=0, state_597=0, state_600=0, state_630=0, state_648=0, var_105=0, var_108_arg_0=0, var_113_arg_0=0, var_113_arg_1=0, var_113_arg_2=0, var_121=1, var_1268=8, var_1277=0, var_128=0, var_136=3, var_1363=255, var_1367=1, var_138=2, var_140=1, var_144=1, var_147=3, var_1483=0, var_150=2, var_154=5, var_157=7, var_160=6, var_164=4, var_190=0, var_211=11, var_213=10, var_215=2, var_217=9, var_232=21, var_234=20, var_236=19, var_238=18, var_2395=0, var_240=17, var_242=16, var_2422=1, var_2425=3, var_2428=2, var_2432=5, var_2435=7, var_2438=6, var_244=15, var_2442=4, var_2448=9, var_2451=11, var_2454=10, var_2458=13, var_246=14, var_2461=15, var_2464=14, var_2468=12, var_248=8, var_250=6, var_252=3, var_254=5, var_2654=0, var_272=4, var_274=1, var_284=7, var_302=13, var_3044=0, var_3067=0, var_310=12, var_331=23, var_334=22, var_343=25, var_346=27, var_349=26, var_353=29, var_356=31, var_359=30, var_363=28, var_369=24, var_392=0, var_468=3, var_510=0, var_533=0, var_652=0, var_821=2, var_824=1] [L552] EXPR var_113_arg_0 ? var_113_arg_1 : var_113_arg_2 VAL [init_107_arg_1=0, init_110_arg_1=0, init_112_arg_1=0, init_115_arg_1=0, init_126_arg_1=0, init_130_arg_1=0, init_192_arg_1=0, init_3052_arg_1=0, init_3056_arg_1=0, init_3065_arg_1=0, init_3069_arg_1=0, init_3082_arg_1=0, init_3085_arg_1=0, init_3125_arg_1=0, init_3142_arg_1=0, init_3164_arg_1=0, init_3185_arg_1=0, init_3188_arg_1=0, init_3191_arg_1=0, init_3194_arg_1=0, init_3197_arg_1=0, init_3200_arg_1=0, init_3203_arg_1=0, init_3206_arg_1=0, init_3279_arg_1=0, init_3303_arg_1=0, init_3789_arg_1=0, init_3794_arg_1=0, init_3797_arg_1=0, init_3800_arg_1=0, init_417_arg_1=0, init_499_arg_1=0, init_512_arg_1=0, init_535_arg_1=0, init_580_arg_1=0, init_583_arg_1=0, init_586_arg_1=0, init_589_arg_1=0, init_592_arg_1=0, init_595_arg_1=0, init_598_arg_1=0, init_601_arg_1=0, init_631_arg_1=0, init_649_arg_1=0, input_10=58, input_100=56, input_101=30, input_102=1, input_103=59, input_104=12, input_12=31, input_13=0, input_14=7, input_15=21, input_16=23, input_17=1, input_18=44, input_19=62, input_2=0, input_20=45, input_21=0, input_22=0, input_23=4, input_24=0, input_25=1, input_26=1, input_28=0, input_29=1, input_30=1, input_31=34, input_32=73, input_33=1, input_35=0, input_36=3, input_37=33, input_38=64, input_39=8, input_4=25, input_40=72, input_41=0, input_42=13, input_43=17, input_44=71, input_45=48, input_46=57, input_48=53, input_49=69, input_5=1, input_50=11, input_51=70, input_52=35, input_53=16, input_54=42, input_55=67, input_57=51, input_58=60, input_59=27, input_60=46, input_61=24, input_62=10, input_63=38, input_64=50, input_65=18, input_66=74, input_67=52, input_68=15, input_69=6, input_7=15, input_70=66, input_71=29, input_72=63, input_73=61, input_74=14, input_75=41, input_76=19, input_77=76, input_78=54, input_79=26, input_8=1, input_80=32, input_81=43, input_82=2, input_83=68, input_84=65, input_85=55, input_86=37, input_87=20, input_88=78, input_89=47, input_90=75, input_91=40, input_92=49, input_93=5, input_94=39, input_95=28, input_96=36, input_97=77, input_98=22, input_99=9, mask_SORT_1=3, mask_SORT_11=4294967295, mask_SORT_1128=4294967295, mask_SORT_1276=4294967295, mask_SORT_1318=4294967295, mask_SORT_1323=4294967295, mask_SORT_1326=4294967295, mask_SORT_1329=4294967295, mask_SORT_1334=4294967295, mask_SORT_263=511, mask_SORT_265=1023, mask_SORT_267=2047, mask_SORT_269=4095, mask_SORT_27=7, mask_SORT_3=1, mask_SORT_3042=18446744073709551615, mask_SORT_34=31, mask_SORT_47=63, mask_SORT_56=127, mask_SORT_6=15, mask_SORT_604=16383, mask_SORT_606=65535, mask_SORT_608=4294967295, mask_SORT_610=4294967295, mask_SORT_612=4294967295, mask_SORT_651=1, mask_SORT_808=8191, mask_SORT_811=32767, mask_SORT_814=4294967295, mask_SORT_816=4294967295, mask_SORT_9=255, mask_SORT_907=4294967295, mask_SORT_909=4294967295, mask_SORT_911=4294967295, msb_SORT_1=2, msb_SORT_11=2147483648, msb_SORT_1128=4194304, msb_SORT_1276=33554432, msb_SORT_1318=16777216, msb_SORT_1323=67108864, msb_SORT_1326=134217728, msb_SORT_1329=268435456, msb_SORT_1334=1073741824, msb_SORT_263=256, msb_SORT_265=512, msb_SORT_267=1024, msb_SORT_269=2048, msb_SORT_27=4, msb_SORT_3=1, msb_SORT_3042=8589934592, msb_SORT_34=16, msb_SORT_47=32, msb_SORT_56=64, msb_SORT_6=8, msb_SORT_604=8192, msb_SORT_606=32768, msb_SORT_608=2097152, msb_SORT_610=8388608, msb_SORT_612=536870912, msb_SORT_651=4294967296, msb_SORT_808=4096, msb_SORT_811=16384, msb_SORT_814=65536, msb_SORT_816=131072, msb_SORT_9=128, msb_SORT_907=262144, msb_SORT_909=524288, msb_SORT_911=1048576, state_106=0, state_109=0, state_111=0, state_114=0, state_125=0, state_129=0, state_191=0, state_3051=0, state_3055=0, state_3064=0, state_3068=0, state_3081=0, state_3084=0, state_3124=0, state_3141=0, state_3163=0, state_3184=0, state_3187=0, state_3190=0, state_3193=0, state_3196=0, state_3199=0, state_3202=0, state_3205=0, state_3278=0, state_3302=0, state_3788=0, state_3793=0, state_3796=0, state_3799=0, state_416=0, state_498=0, state_511=0, state_534=0, state_579=0, state_582=0, state_585=0, state_588=0, state_591=0, state_594=0, state_597=0, state_600=0, state_630=0, state_648=0, var_105=0, var_108_arg_0=0, var_113_arg_0=0, var_113_arg_0 ? var_113_arg_1 : var_113_arg_2=0, var_113_arg_1=0, var_113_arg_2=0, var_121=1, var_1268=8, var_1277=0, var_128=0, var_136=3, var_1363=255, var_1367=1, var_138=2, var_140=1, var_144=1, var_147=3, var_1483=0, var_150=2, var_154=5, var_157=7, var_160=6, var_164=4, var_190=0, var_211=11, var_213=10, var_215=2, var_217=9, var_232=21, var_234=20, var_236=19, var_238=18, var_2395=0, var_240=17, var_242=16, var_2422=1, var_2425=3, var_2428=2, var_2432=5, var_2435=7, var_2438=6, var_244=15, var_2442=4, var_2448=9, var_2451=11, var_2454=10, var_2458=13, var_246=14, var_2461=15, var_2464=14, var_2468=12, var_248=8, var_250=6, var_252=3, var_254=5, var_2654=0, var_272=4, var_274=1, var_284=7, var_302=13, var_3044=0, var_3067=0, var_310=12, var_331=23, var_334=22, var_343=25, var_346=27, var_349=26, var_353=29, var_356=31, var_359=30, var_363=28, var_369=24, var_392=0, var_468=3, var_510=0, var_533=0, var_652=0, var_821=2, var_824=1] [L552] SORT_3 var_113 = var_113_arg_0 ? var_113_arg_1 : var_113_arg_2; [L553] var_113 = var_113 & mask_SORT_3 [L554] SORT_3 var_116_arg_0 = state_111; [L555] SORT_3 var_116_arg_1 = state_114; [L556] SORT_3 var_116_arg_2 = input_41; VAL [init_107_arg_1=0, init_110_arg_1=0, init_112_arg_1=0, init_115_arg_1=0, init_126_arg_1=0, init_130_arg_1=0, init_192_arg_1=0, init_3052_arg_1=0, init_3056_arg_1=0, init_3065_arg_1=0, init_3069_arg_1=0, init_3082_arg_1=0, init_3085_arg_1=0, init_3125_arg_1=0, init_3142_arg_1=0, init_3164_arg_1=0, init_3185_arg_1=0, init_3188_arg_1=0, init_3191_arg_1=0, init_3194_arg_1=0, init_3197_arg_1=0, init_3200_arg_1=0, init_3203_arg_1=0, init_3206_arg_1=0, init_3279_arg_1=0, init_3303_arg_1=0, init_3789_arg_1=0, init_3794_arg_1=0, init_3797_arg_1=0, init_3800_arg_1=0, init_417_arg_1=0, init_499_arg_1=0, init_512_arg_1=0, init_535_arg_1=0, init_580_arg_1=0, init_583_arg_1=0, init_586_arg_1=0, init_589_arg_1=0, init_592_arg_1=0, init_595_arg_1=0, init_598_arg_1=0, init_601_arg_1=0, init_631_arg_1=0, init_649_arg_1=0, input_10=58, input_100=56, input_101=30, input_102=1, input_103=59, input_104=12, input_12=31, input_13=0, input_14=7, input_15=21, input_16=23, input_17=1, input_18=44, input_19=62, input_2=0, input_20=45, input_21=0, input_22=0, input_23=4, input_24=0, input_25=1, input_26=1, input_28=0, input_29=1, input_30=1, input_31=34, input_32=73, input_33=1, input_35=0, input_36=3, input_37=33, input_38=64, input_39=8, input_4=25, input_40=72, input_41=0, input_42=13, input_43=17, input_44=71, input_45=48, input_46=57, input_48=53, input_49=69, input_5=1, input_50=11, input_51=70, input_52=35, input_53=16, input_54=42, input_55=67, input_57=51, input_58=60, input_59=27, input_60=46, input_61=24, input_62=10, input_63=38, input_64=50, input_65=18, input_66=74, input_67=52, input_68=15, input_69=6, input_7=15, input_70=66, input_71=29, input_72=63, input_73=61, input_74=14, input_75=41, input_76=19, input_77=76, input_78=54, input_79=26, input_8=1, input_80=32, input_81=43, input_82=2, input_83=68, input_84=65, input_85=55, input_86=37, input_87=20, input_88=78, input_89=47, input_90=75, input_91=40, input_92=49, input_93=5, input_94=39, input_95=28, input_96=36, input_97=77, input_98=22, input_99=9, mask_SORT_1=3, mask_SORT_11=4294967295, mask_SORT_1128=4294967295, mask_SORT_1276=4294967295, mask_SORT_1318=4294967295, mask_SORT_1323=4294967295, mask_SORT_1326=4294967295, mask_SORT_1329=4294967295, mask_SORT_1334=4294967295, mask_SORT_263=511, mask_SORT_265=1023, mask_SORT_267=2047, mask_SORT_269=4095, mask_SORT_27=7, mask_SORT_3=1, mask_SORT_3042=18446744073709551615, mask_SORT_34=31, mask_SORT_47=63, mask_SORT_56=127, mask_SORT_6=15, mask_SORT_604=16383, mask_SORT_606=65535, mask_SORT_608=4294967295, mask_SORT_610=4294967295, mask_SORT_612=4294967295, mask_SORT_651=1, mask_SORT_808=8191, mask_SORT_811=32767, mask_SORT_814=4294967295, mask_SORT_816=4294967295, mask_SORT_9=255, mask_SORT_907=4294967295, mask_SORT_909=4294967295, mask_SORT_911=4294967295, msb_SORT_1=2, msb_SORT_11=2147483648, msb_SORT_1128=4194304, msb_SORT_1276=33554432, msb_SORT_1318=16777216, msb_SORT_1323=67108864, msb_SORT_1326=134217728, msb_SORT_1329=268435456, msb_SORT_1334=1073741824, msb_SORT_263=256, msb_SORT_265=512, msb_SORT_267=1024, msb_SORT_269=2048, msb_SORT_27=4, msb_SORT_3=1, msb_SORT_3042=8589934592, msb_SORT_34=16, msb_SORT_47=32, msb_SORT_56=64, msb_SORT_6=8, msb_SORT_604=8192, msb_SORT_606=32768, msb_SORT_608=2097152, msb_SORT_610=8388608, msb_SORT_612=536870912, msb_SORT_651=4294967296, msb_SORT_808=4096, msb_SORT_811=16384, msb_SORT_814=65536, msb_SORT_816=131072, msb_SORT_9=128, msb_SORT_907=262144, msb_SORT_909=524288, msb_SORT_911=1048576, state_106=0, state_109=0, state_111=0, state_114=0, state_125=0, state_129=0, state_191=0, state_3051=0, state_3055=0, state_3064=0, state_3068=0, state_3081=0, state_3084=0, state_3124=0, state_3141=0, state_3163=0, state_3184=0, state_3187=0, state_3190=0, state_3193=0, state_3196=0, state_3199=0, state_3202=0, state_3205=0, state_3278=0, state_3302=0, state_3788=0, state_3793=0, state_3796=0, state_3799=0, state_416=0, state_498=0, state_511=0, state_534=0, state_579=0, state_582=0, state_585=0, state_588=0, state_591=0, state_594=0, state_597=0, state_600=0, state_630=0, state_648=0, var_105=0, var_108_arg_0=0, var_113=0, var_113_arg_0=0, var_113_arg_1=0, var_113_arg_2=0, var_116_arg_0=0, var_116_arg_1=0, var_116_arg_2=0, var_121=1, var_1268=8, var_1277=0, var_128=0, var_136=3, var_1363=255, var_1367=1, var_138=2, var_140=1, var_144=1, var_147=3, var_1483=0, var_150=2, var_154=5, var_157=7, var_160=6, var_164=4, var_190=0, var_211=11, var_213=10, var_215=2, var_217=9, var_232=21, var_234=20, var_236=19, var_238=18, var_2395=0, var_240=17, var_242=16, var_2422=1, var_2425=3, var_2428=2, var_2432=5, var_2435=7, var_2438=6, var_244=15, var_2442=4, var_2448=9, var_2451=11, var_2454=10, var_2458=13, var_246=14, var_2461=15, var_2464=14, var_2468=12, var_248=8, var_250=6, var_252=3, var_254=5, var_2654=0, var_272=4, var_274=1, var_284=7, var_302=13, var_3044=0, var_3067=0, var_310=12, var_331=23, var_334=22, var_343=25, var_346=27, var_349=26, var_353=29, var_356=31, var_359=30, var_363=28, var_369=24, var_392=0, var_468=3, var_510=0, var_533=0, var_652=0, var_821=2, var_824=1] [L557] EXPR var_116_arg_0 ? var_116_arg_1 : var_116_arg_2 VAL [init_107_arg_1=0, init_110_arg_1=0, init_112_arg_1=0, init_115_arg_1=0, init_126_arg_1=0, init_130_arg_1=0, init_192_arg_1=0, init_3052_arg_1=0, init_3056_arg_1=0, init_3065_arg_1=0, init_3069_arg_1=0, init_3082_arg_1=0, init_3085_arg_1=0, init_3125_arg_1=0, init_3142_arg_1=0, init_3164_arg_1=0, init_3185_arg_1=0, init_3188_arg_1=0, init_3191_arg_1=0, init_3194_arg_1=0, init_3197_arg_1=0, init_3200_arg_1=0, init_3203_arg_1=0, init_3206_arg_1=0, init_3279_arg_1=0, init_3303_arg_1=0, init_3789_arg_1=0, init_3794_arg_1=0, init_3797_arg_1=0, init_3800_arg_1=0, init_417_arg_1=0, init_499_arg_1=0, init_512_arg_1=0, init_535_arg_1=0, init_580_arg_1=0, init_583_arg_1=0, init_586_arg_1=0, init_589_arg_1=0, init_592_arg_1=0, init_595_arg_1=0, init_598_arg_1=0, init_601_arg_1=0, init_631_arg_1=0, init_649_arg_1=0, input_10=58, input_100=56, input_101=30, input_102=1, input_103=59, input_104=12, input_12=31, input_13=0, input_14=7, input_15=21, input_16=23, input_17=1, input_18=44, input_19=62, input_2=0, input_20=45, input_21=0, input_22=0, input_23=4, input_24=0, input_25=1, input_26=1, input_28=0, input_29=1, input_30=1, input_31=34, input_32=73, input_33=1, input_35=0, input_36=3, input_37=33, input_38=64, input_39=8, input_4=25, input_40=72, input_41=0, input_42=13, input_43=17, input_44=71, input_45=48, input_46=57, input_48=53, input_49=69, input_5=1, input_50=11, input_51=70, input_52=35, input_53=16, input_54=42, input_55=67, input_57=51, input_58=60, input_59=27, input_60=46, input_61=24, input_62=10, input_63=38, input_64=50, input_65=18, input_66=74, input_67=52, input_68=15, input_69=6, input_7=15, input_70=66, input_71=29, input_72=63, input_73=61, input_74=14, input_75=41, input_76=19, input_77=76, input_78=54, input_79=26, input_8=1, input_80=32, input_81=43, input_82=2, input_83=68, input_84=65, input_85=55, input_86=37, input_87=20, input_88=78, input_89=47, input_90=75, input_91=40, input_92=49, input_93=5, input_94=39, input_95=28, input_96=36, input_97=77, input_98=22, input_99=9, mask_SORT_1=3, mask_SORT_11=4294967295, mask_SORT_1128=4294967295, mask_SORT_1276=4294967295, mask_SORT_1318=4294967295, mask_SORT_1323=4294967295, mask_SORT_1326=4294967295, mask_SORT_1329=4294967295, mask_SORT_1334=4294967295, mask_SORT_263=511, mask_SORT_265=1023, mask_SORT_267=2047, mask_SORT_269=4095, mask_SORT_27=7, mask_SORT_3=1, mask_SORT_3042=18446744073709551615, mask_SORT_34=31, mask_SORT_47=63, mask_SORT_56=127, mask_SORT_6=15, mask_SORT_604=16383, mask_SORT_606=65535, mask_SORT_608=4294967295, mask_SORT_610=4294967295, mask_SORT_612=4294967295, mask_SORT_651=1, mask_SORT_808=8191, mask_SORT_811=32767, mask_SORT_814=4294967295, mask_SORT_816=4294967295, mask_SORT_9=255, mask_SORT_907=4294967295, mask_SORT_909=4294967295, mask_SORT_911=4294967295, msb_SORT_1=2, msb_SORT_11=2147483648, msb_SORT_1128=4194304, msb_SORT_1276=33554432, msb_SORT_1318=16777216, msb_SORT_1323=67108864, msb_SORT_1326=134217728, msb_SORT_1329=268435456, msb_SORT_1334=1073741824, msb_SORT_263=256, msb_SORT_265=512, msb_SORT_267=1024, msb_SORT_269=2048, msb_SORT_27=4, msb_SORT_3=1, msb_SORT_3042=8589934592, msb_SORT_34=16, msb_SORT_47=32, msb_SORT_56=64, msb_SORT_6=8, msb_SORT_604=8192, msb_SORT_606=32768, msb_SORT_608=2097152, msb_SORT_610=8388608, msb_SORT_612=536870912, msb_SORT_651=4294967296, msb_SORT_808=4096, msb_SORT_811=16384, msb_SORT_814=65536, msb_SORT_816=131072, msb_SORT_9=128, msb_SORT_907=262144, msb_SORT_909=524288, msb_SORT_911=1048576, state_106=0, state_109=0, state_111=0, state_114=0, state_125=0, state_129=0, state_191=0, state_3051=0, state_3055=0, state_3064=0, state_3068=0, state_3081=0, state_3084=0, state_3124=0, state_3141=0, state_3163=0, state_3184=0, state_3187=0, state_3190=0, state_3193=0, state_3196=0, state_3199=0, state_3202=0, state_3205=0, state_3278=0, state_3302=0, state_3788=0, state_3793=0, state_3796=0, state_3799=0, state_416=0, state_498=0, state_511=0, state_534=0, state_579=0, state_582=0, state_585=0, state_588=0, state_591=0, state_594=0, state_597=0, state_600=0, state_630=0, state_648=0, var_105=0, var_108_arg_0=0, var_113=0, var_113_arg_0=0, var_113_arg_1=0, var_113_arg_2=0, var_116_arg_0=0, var_116_arg_0 ? var_116_arg_1 : var_116_arg_2=0, var_116_arg_1=0, var_116_arg_2=0, var_121=1, var_1268=8, var_1277=0, var_128=0, var_136=3, var_1363=255, var_1367=1, var_138=2, var_140=1, var_144=1, var_147=3, var_1483=0, var_150=2, var_154=5, var_157=7, var_160=6, var_164=4, var_190=0, var_211=11, var_213=10, var_215=2, var_217=9, var_232=21, var_234=20, var_236=19, var_238=18, var_2395=0, var_240=17, var_242=16, var_2422=1, var_2425=3, var_2428=2, var_2432=5, var_2435=7, var_2438=6, var_244=15, var_2442=4, var_2448=9, var_2451=11, var_2454=10, var_2458=13, var_246=14, var_2461=15, var_2464=14, var_2468=12, var_248=8, var_250=6, var_252=3, var_254=5, var_2654=0, var_272=4, var_274=1, var_284=7, var_302=13, var_3044=0, var_3067=0, var_310=12, var_331=23, var_334=22, var_343=25, var_346=27, var_349=26, var_353=29, var_356=31, var_359=30, var_363=28, var_369=24, var_392=0, var_468=3, var_510=0, var_533=0, var_652=0, var_821=2, var_824=1] [L557] SORT_3 var_116 = var_116_arg_0 ? var_116_arg_1 : var_116_arg_2; [L558] var_116 = var_116 & mask_SORT_3 [L559] SORT_3 var_117_arg_0 = var_113; [L560] SORT_3 var_117_arg_1 = var_116; [L561] SORT_3 var_117 = var_117_arg_0 == var_117_arg_1; [L562] SORT_3 var_118_arg_0 = var_108; [L563] SORT_3 var_118_arg_1 = var_117; [L564] SORT_3 var_118 = var_118_arg_0 | var_118_arg_1; [L565] SORT_3 var_122_arg_0 = var_118; [L566] SORT_3 var_122 = ~var_122_arg_0; [L567] SORT_3 var_123_arg_0 = var_121; [L568] SORT_3 var_123_arg_1 = var_122; [L569] SORT_3 var_123 = var_123_arg_0 & var_123_arg_1; [L570] var_123 = var_123 & mask_SORT_3 [L571] SORT_3 bad_124_arg_0 = var_123; [L572] CALL __VERIFIER_assert(!(bad_124_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1877 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11205 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11205 mSDsluCounter, 16657 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11127 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 5530 mSDtfsCounter, 181 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1877occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 3740 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 [2022-11-02 20:31:01,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal92.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc --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 b68e84c6d971d5419c2725945c54769ea06ff3341156b49cec77d0b4be5475b1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:31:03,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:31:03,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:31:03,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:31:03,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:31:03,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:31:03,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:31:03,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:31:03,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:31:03,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:31:03,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:31:03,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:31:03,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:31:03,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:31:03,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:31:03,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:31:03,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:31:03,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:31:03,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:31:03,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:31:03,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:31:03,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:31:03,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:31:03,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:31:03,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:31:03,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:31:03,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:31:03,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:31:03,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:31:03,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:31:03,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:31:03,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:31:03,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:31:03,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:31:03,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:31:03,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:31:03,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:31:03,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:31:03,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:31:03,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:31:03,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:31:03,553 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-02 20:31:03,597 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:31:03,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:31:03,605 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:31:03,606 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:31:03,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:31:03,607 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:31:03,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:31:03,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:31:03,609 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:31:03,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:31:03,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:31:03,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:31:03,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:31:03,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:31:03,611 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 20:31:03,611 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 20:31:03,611 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 20:31:03,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:31:03,612 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:31:03,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:31:03,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:31:03,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:31:03,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:31:03,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:31:03,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:31:03,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:31:03,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:31:03,614 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 20:31:03,614 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 20:31:03,614 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:31:03,614 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:31:03,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:31:03,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 20:31:03,615 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_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b68e84c6d971d5419c2725945c54769ea06ff3341156b49cec77d0b4be5475b1 [2022-11-02 20:31:03,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:31:03,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:31:03,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:31:03,996 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:31:04,002 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:31:04,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal92.c [2022-11-02 20:31:04,077 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/data/071761612/41d30d62f55144c5bafb08470dcabd97/FLAGf34bca147 [2022-11-02 20:31:05,125 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:31:05,127 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal92.c [2022-11-02 20:31:05,183 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/data/071761612/41d30d62f55144c5bafb08470dcabd97/FLAGf34bca147 [2022-11-02 20:31:05,515 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/data/071761612/41d30d62f55144c5bafb08470dcabd97 [2022-11-02 20:31:05,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:31:05,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:31:05,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:31:05,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:31:05,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:31:05,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:31:05" (1/1) ... [2022-11-02 20:31:05,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2819a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:05, skipping insertion in model container [2022-11-02 20:31:05,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:31:05" (1/1) ... [2022-11-02 20:31:05,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:31:05,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:31:06,136 WARN L230 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_45f8efe1-d47f-47d6-a14f-f95996386964/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal92.c[1107,1120] [2022-11-02 20:31:07,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:31:07,547 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:31:07,570 WARN L230 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_45f8efe1-d47f-47d6-a14f-f95996386964/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal92.c[1107,1120] [2022-11-02 20:31:08,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:31:08,417 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:31:08,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:08 WrapperNode [2022-11-02 20:31:08,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:31:08,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:31:08,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:31:08,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:31:08,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:08" (1/1) ... [2022-11-02 20:31:08,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:08" (1/1) ... [2022-11-02 20:31:09,240 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16910 [2022-11-02 20:31:09,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:31:09,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:31:09,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:31:09,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:31:09,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:08" (1/1) ... [2022-11-02 20:31:09,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:08" (1/1) ... [2022-11-02 20:31:09,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:08" (1/1) ... [2022-11-02 20:31:09,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:08" (1/1) ... [2022-11-02 20:31:09,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:08" (1/1) ... [2022-11-02 20:31:09,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:08" (1/1) ... [2022-11-02 20:31:09,778 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:08" (1/1) ... [2022-11-02 20:31:09,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:08" (1/1) ... [2022-11-02 20:31:10,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:31:10,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:31:10,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:31:10,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:31:10,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:08" (1/1) ... [2022-11-02 20:31:10,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:31:10,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:31:10,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:31:10,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:31:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:31:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:31:12,000 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:31:12,002 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:31:21,409 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:31:21,437 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:31:21,437 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:31:21,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:31:21 BoogieIcfgContainer [2022-11-02 20:31:21,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:31:21,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:31:21,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:31:21,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:31:21,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:31:05" (1/3) ... [2022-11-02 20:31:21,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e5f973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:31:21, skipping insertion in model container [2022-11-02 20:31:21,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:08" (2/3) ... [2022-11-02 20:31:21,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e5f973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:31:21, skipping insertion in model container [2022-11-02 20:31:21,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:31:21" (3/3) ... [2022-11-02 20:31:21,453 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal92.c [2022-11-02 20:31:21,473 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:31:21,473 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:31:21,566 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:31:21,577 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@24bc568a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:31:21,577 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:31:21,588 INFO L276 IsEmpty]: Start isEmpty. Operand has 1877 states, 1875 states have (on average 1.4997333333333334) internal successors, (2812), 1876 states have internal predecessors, (2812), 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) [2022-11-02 20:31:21,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 20:31:21,595 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:31:21,595 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:21,596 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:31:21,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:21,602 INFO L85 PathProgramCache]: Analyzing trace with hash -332259343, now seen corresponding path program 1 times [2022-11-02 20:31:21,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:31:21,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1872035375] [2022-11-02 20:31:21,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:21,619 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:31:21,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:31:21,626 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:31:21,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-02 20:31:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:24,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:31:24,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:31:24,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:31:24,284 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:31:24,284 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:31:24,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1872035375] [2022-11-02 20:31:24,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1872035375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:31:24,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:31:24,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:31:24,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867679596] [2022-11-02 20:31:24,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:31:24,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:31:24,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:31:24,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:31:24,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:31:24,339 INFO L87 Difference]: Start difference. First operand has 1877 states, 1875 states have (on average 1.4997333333333334) internal successors, (2812), 1876 states have internal predecessors, (2812), 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 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-02 20:31:24,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:31:24,957 INFO L93 Difference]: Finished difference Result 7489 states and 11231 transitions. [2022-11-02 20:31:24,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:31:24,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2022-11-02 20:31:24,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:31:24,999 INFO L225 Difference]: With dead ends: 7489 [2022-11-02 20:31:25,000 INFO L226 Difference]: Without dead ends: 5614 [2022-11-02 20:31:25,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:31:25,020 INFO L413 NwaCegarLoop]: 2764 mSDtfsCounter, 8405 mSDsluCounter, 8323 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8405 SdHoareTripleChecker+Valid, 11087 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:31:25,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8405 Valid, 11087 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:31:25,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5614 states. [2022-11-02 20:31:25,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5614 to 1875. [2022-11-02 20:31:25,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1874 states have (on average 1.4983991462113126) internal successors, (2808), 1874 states have internal predecessors, (2808), 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) [2022-11-02 20:31:25,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2808 transitions. [2022-11-02 20:31:25,163 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2808 transitions. Word has length 9 [2022-11-02 20:31:25,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:31:25,163 INFO L495 AbstractCegarLoop]: Abstraction has 1875 states and 2808 transitions. [2022-11-02 20:31:25,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-02 20:31:25,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2808 transitions. [2022-11-02 20:31:25,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 20:31:25,164 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:31:25,165 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:25,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:31:25,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:31:25,390 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:31:25,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:25,391 INFO L85 PathProgramCache]: Analyzing trace with hash -275001041, now seen corresponding path program 1 times [2022-11-02 20:31:25,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:31:25,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815610652] [2022-11-02 20:31:25,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:25,395 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:31:25,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:31:25,397 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:31:25,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-02 20:31:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:27,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:31:27,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:31:27,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:31:27,475 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:31:27,476 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:31:27,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815610652] [2022-11-02 20:31:27,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [815610652] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:31:27,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:31:27,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:31:27,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728158698] [2022-11-02 20:31:27,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:31:27,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:31:27,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:31:27,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:31:27,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:31:27,480 INFO L87 Difference]: Start difference. First operand 1875 states and 2808 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-02 20:31:27,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:31:27,956 INFO L93 Difference]: Finished difference Result 7485 states and 11215 transitions. [2022-11-02 20:31:27,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:31:27,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2022-11-02 20:31:27,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:31:27,973 INFO L225 Difference]: With dead ends: 7485 [2022-11-02 20:31:27,973 INFO L226 Difference]: Without dead ends: 5614 [2022-11-02 20:31:27,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:31:27,978 INFO L413 NwaCegarLoop]: 2766 mSDtfsCounter, 8399 mSDsluCounter, 8320 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8399 SdHoareTripleChecker+Valid, 11086 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:31:27,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8399 Valid, 11086 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:31:27,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5614 states. [2022-11-02 20:31:28,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5614 to 1877. [2022-11-02 20:31:28,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1877 states, 1876 states have (on average 1.4978678038379531) internal successors, (2810), 1876 states have internal predecessors, (2810), 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) [2022-11-02 20:31:28,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2810 transitions. [2022-11-02 20:31:28,038 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2810 transitions. Word has length 9 [2022-11-02 20:31:28,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:31:28,038 INFO L495 AbstractCegarLoop]: Abstraction has 1877 states and 2810 transitions. [2022-11-02 20:31:28,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-02 20:31:28,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2810 transitions. [2022-11-02 20:31:28,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 20:31:28,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:31:28,040 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:28,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:31:28,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:31:28,257 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:31:28,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:28,258 INFO L85 PathProgramCache]: Analyzing trace with hash -274941459, now seen corresponding path program 1 times [2022-11-02 20:31:28,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:31:28,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [692685111] [2022-11-02 20:31:28,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:28,259 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:31:28,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:31:28,266 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:31:28,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-02 20:31:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:30,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-02 20:31:30,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:31:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:31:30,733 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:31:30,733 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:31:30,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [692685111] [2022-11-02 20:31:30,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [692685111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:31:30,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:31:30,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:31:30,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327271843] [2022-11-02 20:31:30,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:31:30,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:31:30,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:31:30,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:31:30,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:31:30,736 INFO L87 Difference]: Start difference. First operand 1877 states and 2810 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2022-11-02 20:31:32,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:31:32,925 INFO L93 Difference]: Finished difference Result 3749 states and 5615 transitions. [2022-11-02 20:31:32,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:31:32,926 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 9 [2022-11-02 20:31:32,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:31:32,937 INFO L225 Difference]: With dead ends: 3749 [2022-11-02 20:31:32,937 INFO L226 Difference]: Without dead ends: 3747 [2022-11-02 20:31:32,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:31:32,940 INFO L413 NwaCegarLoop]: 2733 mSDtfsCounter, 8395 mSDsluCounter, 8258 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8395 SdHoareTripleChecker+Valid, 10991 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:31:32,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8395 Valid, 10991 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-02 20:31:32,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3747 states. [2022-11-02 20:31:32,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3747 to 1879. [2022-11-02 20:31:32,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1879 states, 1878 states have (on average 1.4973375931842385) internal successors, (2812), 1878 states have internal predecessors, (2812), 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) [2022-11-02 20:31:32,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1879 states and 2812 transitions. [2022-11-02 20:31:32,990 INFO L78 Accepts]: Start accepts. Automaton has 1879 states and 2812 transitions. Word has length 9 [2022-11-02 20:31:32,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:31:32,990 INFO L495 AbstractCegarLoop]: Abstraction has 1879 states and 2812 transitions. [2022-11-02 20:31:32,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2022-11-02 20:31:32,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2812 transitions. [2022-11-02 20:31:33,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1879 [2022-11-02 20:31:33,090 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:31:33,092 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:33,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:31:33,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:31:33,309 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:31:33,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:33,311 INFO L85 PathProgramCache]: Analyzing trace with hash 697455107, now seen corresponding path program 1 times [2022-11-02 20:31:33,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:31:33,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [948582884] [2022-11-02 20:31:33,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:33,332 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:31:33,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:31:33,333 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:31:33,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-02 20:31:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:39,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 13217 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:31:39,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:31:39,487 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:31:39,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:31:39,488 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:31:39,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [948582884] [2022-11-02 20:31:39,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [948582884] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:31:39,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:31:39,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:31:39,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732102697] [2022-11-02 20:31:39,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:31:39,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:31:39,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:31:39,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:31:39,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:31:39,500 INFO L87 Difference]: Start difference. First operand 1879 states and 2812 transitions. Second operand has 4 states, 4 states have (on average 469.5) internal successors, (1878), 4 states have internal predecessors, (1878), 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) [2022-11-02 20:31:40,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:31:40,013 INFO L93 Difference]: Finished difference Result 7483 states and 11212 transitions. [2022-11-02 20:31:40,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:31:40,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 469.5) internal successors, (1878), 4 states have internal predecessors, (1878), 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 1878 [2022-11-02 20:31:40,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:31:40,033 INFO L225 Difference]: With dead ends: 7483 [2022-11-02 20:31:40,033 INFO L226 Difference]: Without dead ends: 5612 [2022-11-02 20:31:40,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1878 GetRequests, 1875 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:31:40,045 INFO L413 NwaCegarLoop]: 2770 mSDtfsCounter, 8385 mSDsluCounter, 8313 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8385 SdHoareTripleChecker+Valid, 11083 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:31:40,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8385 Valid, 11083 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-02 20:31:40,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5612 states. [2022-11-02 20:31:40,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5612 to 1881. [2022-11-02 20:31:40,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1881 states, 1880 states have (on average 1.4968085106382978) internal successors, (2814), 1880 states have internal predecessors, (2814), 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) [2022-11-02 20:31:40,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2814 transitions. [2022-11-02 20:31:40,123 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2814 transitions. Word has length 1878 [2022-11-02 20:31:40,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:31:40,125 INFO L495 AbstractCegarLoop]: Abstraction has 1881 states and 2814 transitions. [2022-11-02 20:31:40,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 469.5) internal successors, (1878), 4 states have internal predecessors, (1878), 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) [2022-11-02 20:31:40,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2814 transitions. [2022-11-02 20:31:40,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1879 [2022-11-02 20:31:40,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:31:40,287 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:40,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:31:40,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:31:40,511 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:31:40,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:40,512 INFO L85 PathProgramCache]: Analyzing trace with hash -693006587, now seen corresponding path program 1 times [2022-11-02 20:31:40,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:31:40,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412334337] [2022-11-02 20:31:40,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:40,527 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:31:40,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:31:40,528 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:31:40,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-02 20:31:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:46,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 13217 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:31:46,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:31:46,750 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:31:46,751 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:31:46,751 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:31:46,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412334337] [2022-11-02 20:31:46,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [412334337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:31:46,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:31:46,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:31:46,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342840230] [2022-11-02 20:31:46,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:31:46,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:31:46,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:31:46,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:31:46,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:31:46,758 INFO L87 Difference]: Start difference. First operand 1881 states and 2814 transitions. Second operand has 4 states, 4 states have (on average 469.5) internal successors, (1878), 4 states have internal predecessors, (1878), 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) [2022-11-02 20:31:47,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:31:47,221 INFO L93 Difference]: Finished difference Result 7483 states and 11211 transitions. [2022-11-02 20:31:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:31:47,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 469.5) internal successors, (1878), 4 states have internal predecessors, (1878), 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 1878 [2022-11-02 20:31:47,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:31:47,240 INFO L225 Difference]: With dead ends: 7483 [2022-11-02 20:31:47,241 INFO L226 Difference]: Without dead ends: 5612 [2022-11-02 20:31:47,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1878 GetRequests, 1875 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:31:47,246 INFO L413 NwaCegarLoop]: 2772 mSDtfsCounter, 8379 mSDsluCounter, 8310 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8379 SdHoareTripleChecker+Valid, 11082 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:31:47,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8379 Valid, 11082 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:31:47,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5612 states. [2022-11-02 20:31:47,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5612 to 1883. [2022-11-02 20:31:47,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1883 states, 1882 states have (on average 1.4962805526036131) internal successors, (2816), 1882 states have internal predecessors, (2816), 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) [2022-11-02 20:31:47,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1883 states and 2816 transitions. [2022-11-02 20:31:47,315 INFO L78 Accepts]: Start accepts. Automaton has 1883 states and 2816 transitions. Word has length 1878 [2022-11-02 20:31:47,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:31:47,316 INFO L495 AbstractCegarLoop]: Abstraction has 1883 states and 2816 transitions. [2022-11-02 20:31:47,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 469.5) internal successors, (1878), 4 states have internal predecessors, (1878), 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) [2022-11-02 20:31:47,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2816 transitions. [2022-11-02 20:31:47,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1879 [2022-11-02 20:31:47,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:31:47,370 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:47,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:31:47,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:31:47,587 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:31:47,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:47,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1696605319, now seen corresponding path program 1 times [2022-11-02 20:31:47,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:31:47,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [151639780] [2022-11-02 20:31:47,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:47,603 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:31:47,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:31:47,605 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:31:47,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-02 20:31:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:53,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 13217 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:31:53,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:31:53,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:31:53,815 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:31:53,815 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:31:53,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [151639780] [2022-11-02 20:31:53,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [151639780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:31:53,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:31:53,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:31:53,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895014367] [2022-11-02 20:31:53,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:31:53,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:31:53,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:31:53,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:31:53,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:31:53,821 INFO L87 Difference]: Start difference. First operand 1883 states and 2816 transitions. Second operand has 4 states, 4 states have (on average 469.5) internal successors, (1878), 4 states have internal predecessors, (1878), 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) [2022-11-02 20:31:54,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:31:54,668 INFO L93 Difference]: Finished difference Result 3765 states and 5636 transitions. [2022-11-02 20:31:54,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:31:54,670 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 469.5) internal successors, (1878), 4 states have internal predecessors, (1878), 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 1878 [2022-11-02 20:31:54,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:31:54,675 INFO L225 Difference]: With dead ends: 3765 [2022-11-02 20:31:54,675 INFO L226 Difference]: Without dead ends: 1894 [2022-11-02 20:31:54,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1878 GetRequests, 1875 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:31:54,679 INFO L413 NwaCegarLoop]: 2685 mSDtfsCounter, 5585 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5585 SdHoareTripleChecker+Valid, 2709 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:31:54,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5585 Valid, 2709 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-02 20:31:54,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2022-11-02 20:31:54,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 1883. [2022-11-02 20:31:54,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1883 states, 1882 states have (on average 1.495749202975558) internal successors, (2815), 1882 states have internal predecessors, (2815), 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) [2022-11-02 20:31:54,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1883 states and 2815 transitions. [2022-11-02 20:31:54,721 INFO L78 Accepts]: Start accepts. Automaton has 1883 states and 2815 transitions. Word has length 1878 [2022-11-02 20:31:54,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:31:54,722 INFO L495 AbstractCegarLoop]: Abstraction has 1883 states and 2815 transitions. [2022-11-02 20:31:54,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 469.5) internal successors, (1878), 4 states have internal predecessors, (1878), 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) [2022-11-02 20:31:54,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2815 transitions. [2022-11-02 20:31:54,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1879 [2022-11-02 20:31:54,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:31:54,757 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:54,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:31:54,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:31:54,975 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:31:54,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:54,977 INFO L85 PathProgramCache]: Analyzing trace with hash -860787447, now seen corresponding path program 1 times [2022-11-02 20:31:54,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:31:54,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882050440] [2022-11-02 20:31:54,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:54,993 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:31:54,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:31:54,994 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:31:55,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-02 20:32:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:00,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 13217 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:32:00,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:32:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:32:00,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:32:00,877 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:32:00,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [882050440] [2022-11-02 20:32:00,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [882050440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:32:00,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:32:00,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:32:00,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740014411] [2022-11-02 20:32:00,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:32:00,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:32:00,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:32:00,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:32:00,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:32:00,883 INFO L87 Difference]: Start difference. First operand 1883 states and 2815 transitions. Second operand has 4 states, 4 states have (on average 469.5) internal successors, (1878), 4 states have internal predecessors, (1878), 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) [2022-11-02 20:32:01,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:32:01,548 INFO L93 Difference]: Finished difference Result 3769 states and 5639 transitions. [2022-11-02 20:32:01,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:32:01,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 469.5) internal successors, (1878), 4 states have internal predecessors, (1878), 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 1878 [2022-11-02 20:32:01,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:32:01,553 INFO L225 Difference]: With dead ends: 3769 [2022-11-02 20:32:01,553 INFO L226 Difference]: Without dead ends: 1898 [2022-11-02 20:32:01,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1878 GetRequests, 1875 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:32:01,556 INFO L413 NwaCegarLoop]: 2688 mSDtfsCounter, 5579 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5579 SdHoareTripleChecker+Valid, 2716 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:32:01,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5579 Valid, 2716 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 20:32:01,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1898 states. [2022-11-02 20:32:01,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1898 to 1883. [2022-11-02 20:32:01,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1883 states, 1882 states have (on average 1.4952178533475027) internal successors, (2814), 1882 states have internal predecessors, (2814), 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) [2022-11-02 20:32:01,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1883 states and 2814 transitions. [2022-11-02 20:32:01,592 INFO L78 Accepts]: Start accepts. Automaton has 1883 states and 2814 transitions. Word has length 1878 [2022-11-02 20:32:01,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:32:01,593 INFO L495 AbstractCegarLoop]: Abstraction has 1883 states and 2814 transitions. [2022-11-02 20:32:01,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 469.5) internal successors, (1878), 4 states have internal predecessors, (1878), 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) [2022-11-02 20:32:01,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2814 transitions. [2022-11-02 20:32:01,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1879 [2022-11-02 20:32:01,620 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:32:01,621 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:32:01,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:32:01,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:32:01,835 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:32:01,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:32:01,836 INFO L85 PathProgramCache]: Analyzing trace with hash 28264075, now seen corresponding path program 1 times [2022-11-02 20:32:01,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:32:01,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625852731] [2022-11-02 20:32:01,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:32:01,849 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:32:01,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:32:01,850 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:32:01,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f8efe1-d47f-47d6-a14f-f95996386964/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process