./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/Dubois-018.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397769fc-6f4c-4340-b32b-36ec83a1b140/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397769fc-6f4c-4340-b32b-36ec83a1b140/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397769fc-6f4c-4340-b32b-36ec83a1b140/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397769fc-6f4c-4340-b32b-36ec83a1b140/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-018.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397769fc-6f4c-4340-b32b-36ec83a1b140/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397769fc-6f4c-4340-b32b-36ec83a1b140/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5eaeb668526dd99d52a76e364cd090d11972ce6d53b14aa44ca6d3800bf0c3f1 --- 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-dbf71c6-m [2022-10-17 10:44:15,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:44:15,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:44:15,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:44:15,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:44:15,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:44:15,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:44:15,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:44:15,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:44:15,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:44:15,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:44:15,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:44:15,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:44:15,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:44:15,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:44:15,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:44:15,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:44:15,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:44:15,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:44:15,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:44:15,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:44:15,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:44:15,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:44:15,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:44:15,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:44:15,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:44:15,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:44:15,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:44:15,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:44:15,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:44:15,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:44:15,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:44:15,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:44:15,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:44:15,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:44:15,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:44:15,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:44:15,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:44:15,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:44:15,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:44:15,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:44:15,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397769fc-6f4c-4340-b32b-36ec83a1b140/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-10-17 10:44:15,201 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:44:15,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:44:15,203 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:44:15,203 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:44:15,204 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:44:15,204 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:44:15,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:44:15,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:44:15,206 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:44:15,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:44:15,207 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:44:15,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:44:15,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:44:15,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:44:15,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:44:15,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:44:15,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:44:15,209 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:44:15,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:44:15,209 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:44:15,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:44:15,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:44:15,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:44:15,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:44:15,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:44:15,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:44:15,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:44:15,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:44:15,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:44:15,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:44:15,214 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:44:15,214 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:44:15,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:44:15,214 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_397769fc-6f4c-4340-b32b-36ec83a1b140/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397769fc-6f4c-4340-b32b-36ec83a1b140/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eaeb668526dd99d52a76e364cd090d11972ce6d53b14aa44ca6d3800bf0c3f1 [2022-10-17 10:44:15,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:44:15,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:44:15,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:44:15,536 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:44:15,537 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:44:15,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397769fc-6f4c-4340-b32b-36ec83a1b140/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/xcsp/Dubois-018.c [2022-10-17 10:44:15,601 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397769fc-6f4c-4340-b32b-36ec83a1b140/bin/uautomizer-J5u9QxTXDZ/data/64019efb7/976087acb9884d6b8e77665638e26e70/FLAG4b46cb648 [2022-10-17 10:44:16,138 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:44:16,144 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397769fc-6f4c-4340-b32b-36ec83a1b140/sv-benchmarks/c/xcsp/Dubois-018.c [2022-10-17 10:44:16,157 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397769fc-6f4c-4340-b32b-36ec83a1b140/bin/uautomizer-J5u9QxTXDZ/data/64019efb7/976087acb9884d6b8e77665638e26e70/FLAG4b46cb648 [2022-10-17 10:44:16,421 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397769fc-6f4c-4340-b32b-36ec83a1b140/bin/uautomizer-J5u9QxTXDZ/data/64019efb7/976087acb9884d6b8e77665638e26e70 [2022-10-17 10:44:16,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:44:16,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:44:16,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:44:16,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:44:16,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:44:16,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:44:16" (1/1) ... [2022-10-17 10:44:16,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@331530e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:16, skipping insertion in model container [2022-10-17 10:44:16,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:44:16" (1/1) ... [2022-10-17 10:44:16,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:44:16,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:44:16,898 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_397769fc-6f4c-4340-b32b-36ec83a1b140/sv-benchmarks/c/xcsp/Dubois-018.c[13032,13045] [2022-10-17 10:44:16,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:44:16,966 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:44:17,040 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_397769fc-6f4c-4340-b32b-36ec83a1b140/sv-benchmarks/c/xcsp/Dubois-018.c[13032,13045] [2022-10-17 10:44:17,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:44:17,120 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:44:17,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:17 WrapperNode [2022-10-17 10:44:17,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:44:17,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:44:17,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:44:17,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:44:17,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:17" (1/1) ... [2022-10-17 10:44:17,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:17" (1/1) ... [2022-10-17 10:44:21,895 INFO L138 Inliner]: procedures = 13, calls = 151, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 377 [2022-10-17 10:44:21,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:44:21,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:44:21,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:44:21,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:44:21,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:17" (1/1) ... [2022-10-17 10:44:21,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:17" (1/1) ... [2022-10-17 10:44:22,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:17" (1/1) ... [2022-10-17 10:44:22,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:17" (1/1) ... [2022-10-17 10:44:25,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:17" (1/1) ... [2022-10-17 10:44:25,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:17" (1/1) ... [2022-10-17 10:44:25,575 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:17" (1/1) ... [2022-10-17 10:44:25,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:17" (1/1) ... [2022-10-17 10:44:26,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:44:26,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:44:26,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:44:26,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:44:26,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:17" (1/1) ... [2022-10-17 10:44:26,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:44:26,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397769fc-6f4c-4340-b32b-36ec83a1b140/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:26,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397769fc-6f4c-4340-b32b-36ec83a1b140/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:26,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397769fc-6f4c-4340-b32b-36ec83a1b140/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:44:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:44:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:44:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:44:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:44:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-10-17 10:44:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-10-17 10:44:26,365 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:44:26,368 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:44:31,412 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:44:31,424 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:44:31,424 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:44:31,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:44:31 BoogieIcfgContainer [2022-10-17 10:44:31,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:44:31,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:44:31,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:44:31,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:44:31,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:44:16" (1/3) ... [2022-10-17 10:44:31,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d904bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:44:31, skipping insertion in model container [2022-10-17 10:44:31,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:17" (2/3) ... [2022-10-17 10:44:31,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d904bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:44:31, skipping insertion in model container [2022-10-17 10:44:31,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:44:31" (3/3) ... [2022-10-17 10:44:31,438 INFO L112 eAbstractionObserver]: Analyzing ICFG Dubois-018.c [2022-10-17 10:44:31,458 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:44:31,458 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:44:31,522 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:44:31,529 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;@18cff31e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:44:31,529 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:44:31,534 INFO L276 IsEmpty]: Start isEmpty. Operand has 209 states, 62 states have (on average 1.032258064516129) internal successors, (64), 63 states have internal predecessors, (64), 144 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2022-10-17 10:44:31,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2022-10-17 10:44:31,605 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:44:31,607 INFO L195 NwaCegarLoop]: trace histogram [144, 144, 144, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:44:31,607 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:44:31,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:31,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1433432883, now seen corresponding path program 1 times [2022-10-17 10:44:31,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:31,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325421256] [2022-10-17 10:44:31,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:31,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:44:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-17 10:44:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-17 10:44:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:44:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-17 10:44:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-17 10:44:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-17 10:44:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-17 10:44:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-17 10:44:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-17 10:44:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-17 10:44:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-17 10:44:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-17 10:44:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-17 10:44:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-17 10:44:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-17 10:44:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-17 10:44:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-17 10:44:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-17 10:44:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-17 10:44:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-17 10:44:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-17 10:44:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-17 10:44:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-17 10:44:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-17 10:44:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-17 10:44:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-17 10:44:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-17 10:44:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-17 10:44:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-17 10:44:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-10-17 10:44:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-10-17 10:44:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-17 10:44:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-17 10:44:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-10-17 10:44:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-10-17 10:44:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-10-17 10:44:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-10-17 10:44:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-10-17 10:44:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-17 10:44:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-10-17 10:44:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-10-17 10:44:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-10-17 10:44:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-10-17 10:44:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-10-17 10:44:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-17 10:44:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-10-17 10:44:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-10-17 10:44:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-10-17 10:44:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-10-17 10:44:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-10-17 10:44:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-10-17 10:44:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-10-17 10:44:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-10-17 10:44:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-10-17 10:44:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-10-17 10:44:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-10-17 10:44:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-10-17 10:44:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-10-17 10:44:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-10-17 10:44:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-10-17 10:44:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-10-17 10:44:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-10-17 10:44:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-10-17 10:44:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-10-17 10:44:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-10-17 10:44:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-10-17 10:44:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-10-17 10:44:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-10-17 10:44:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-10-17 10:44:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-10-17 10:44:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-10-17 10:44:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-10-17 10:44:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-10-17 10:44:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-10-17 10:44:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-10-17 10:44:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-10-17 10:44:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-10-17 10:44:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-10-17 10:44:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-10-17 10:44:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-10-17 10:44:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-10-17 10:44:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-10-17 10:44:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-10-17 10:44:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-10-17 10:44:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-10-17 10:44:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-10-17 10:44:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-10-17 10:44:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-10-17 10:44:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-10-17 10:44:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-10-17 10:44:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-10-17 10:44:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-10-17 10:44:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-10-17 10:44:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-10-17 10:44:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-10-17 10:44:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-10-17 10:44:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-10-17 10:44:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-10-17 10:44:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-10-17 10:44:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-10-17 10:44:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-10-17 10:44:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-10-17 10:44:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-10-17 10:44:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-10-17 10:44:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-10-17 10:44:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-10-17 10:44:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-10-17 10:44:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-10-17 10:44:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-10-17 10:44:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-10-17 10:44:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2022-10-17 10:44:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2022-10-17 10:44:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2022-10-17 10:44:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2022-10-17 10:44:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2022-10-17 10:44:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2022-10-17 10:44:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2022-10-17 10:44:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-10-17 10:44:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2022-10-17 10:44:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2022-10-17 10:44:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2022-10-17 10:44:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2022-10-17 10:44:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2022-10-17 10:44:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2022-10-17 10:44:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2022-10-17 10:44:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-10-17 10:44:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-10-17 10:44:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 696 [2022-10-17 10:44:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2022-10-17 10:44:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 706 [2022-10-17 10:44:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 711 [2022-10-17 10:44:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 716 [2022-10-17 10:44:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 721 [2022-10-17 10:44:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 726 [2022-10-17 10:44:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2022-10-17 10:44:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:34,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-10-17 10:44:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:34,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2022-10-17 10:44:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:34,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2022-10-17 10:44:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:34,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 751 [2022-10-17 10:44:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:34,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 756 [2022-10-17 10:44:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:34,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2022-10-17 10:44:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:34,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 766 [2022-10-17 10:44:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:34,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 771 [2022-10-17 10:44:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:34,294 INFO L134 CoverageAnalysis]: Checked inductivity of 41184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41184 trivial. 0 not checked. [2022-10-17 10:44:34,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:34,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325421256] [2022-10-17 10:44:34,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325421256] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:44:34,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:44:34,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:44:34,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183407616] [2022-10-17 10:44:34,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:44:34,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-17 10:44:34,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:34,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 10:44:34,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:44:34,348 INFO L87 Difference]: Start difference. First operand has 209 states, 62 states have (on average 1.032258064516129) internal successors, (64), 63 states have internal predecessors, (64), 144 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 1 states have call predecessors, (144), 2 states have call successors, (144) [2022-10-17 10:44:34,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:34,459 INFO L93 Difference]: Finished difference Result 412 states and 842 transitions. [2022-10-17 10:44:34,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:44:34,461 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 1 states have call predecessors, (144), 2 states have call successors, (144) Word has length 777 [2022-10-17 10:44:34,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:44:34,481 INFO L225 Difference]: With dead ends: 412 [2022-10-17 10:44:34,481 INFO L226 Difference]: Without dead ends: 206 [2022-10-17 10:44:34,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 434 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:44:34,497 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:44:34,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:44:34,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-10-17 10:44:34,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2022-10-17 10:44:34,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 60 states have (on average 1.0) internal successors, (60), 60 states have internal predecessors, (60), 144 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2022-10-17 10:44:34,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 348 transitions. [2022-10-17 10:44:34,633 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 348 transitions. Word has length 777 [2022-10-17 10:44:34,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:44:34,635 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 348 transitions. [2022-10-17 10:44:34,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 1 states have call predecessors, (144), 2 states have call successors, (144) [2022-10-17 10:44:34,636 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 348 transitions. [2022-10-17 10:44:34,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2022-10-17 10:44:34,666 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:44:34,667 INFO L195 NwaCegarLoop]: trace histogram [144, 144, 144, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:44:34,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:44:34,667 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:44:34,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:34,668 INFO L85 PathProgramCache]: Analyzing trace with hash -299827635, now seen corresponding path program 1 times [2022-10-17 10:44:34,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:34,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200952151] [2022-10-17 10:44:34,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:34,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat