./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_e4354fd9-c85d-4b18-8011-495b9e118c70/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4354fd9-c85d-4b18-8011-495b9e118c70/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4354fd9-c85d-4b18-8011-495b9e118c70/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4354fd9-c85d-4b18-8011-495b9e118c70/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4354fd9-c85d-4b18-8011-495b9e118c70/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4354fd9-c85d-4b18-8011-495b9e118c70/bin/uautomizer-tPACEb0tL8 --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 08b5f37246b5db2704912edf2e599b38e840680a1db95349b6967c3c4646cf90 --- 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-e04fb08 [2022-11-16 12:40:25,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:40:25,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:40:25,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:40:25,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:40:25,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:40:25,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:40:25,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:40:25,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:40:25,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:40:25,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:40:25,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:40:25,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:40:25,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:40:25,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:40:25,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:40:25,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:40:25,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:40:25,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:40:25,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:40:25,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:40:25,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:40:25,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:40:25,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:40:25,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:40:25,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:40:25,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:40:25,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:40:25,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:40:25,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:40:25,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:40:25,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:40:25,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:40:25,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:40:25,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:40:25,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:40:26,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:40:26,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:40:26,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:40:26,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:40:26,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:40:26,004 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4354fd9-c85d-4b18-8011-495b9e118c70/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 12:40:26,053 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:40:26,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:40:26,054 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:40:26,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:40:26,055 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:40:26,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:40:26,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:40:26,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:40:26,056 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:40:26,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:40:26,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:40:26,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:40:26,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:40:26,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:40:26,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:40:26,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:40:26,060 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:40:26,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:40:26,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:40:26,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:40:26,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:40:26,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:40:26,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:40:26,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:40:26,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:40:26,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:40:26,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:40:26,064 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:40:26,065 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:40:26,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:40:26,065 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_e4354fd9-c85d-4b18-8011-495b9e118c70/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4354fd9-c85d-4b18-8011-495b9e118c70/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08b5f37246b5db2704912edf2e599b38e840680a1db95349b6967c3c4646cf90 [2022-11-16 12:40:26,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:40:26,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:40:26,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:40:26,537 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:40:26,538 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:40:26,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4354fd9-c85d-4b18-8011-495b9e118c70/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2022-11-16 12:40:26,633 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4354fd9-c85d-4b18-8011-495b9e118c70/bin/uautomizer-tPACEb0tL8/data/51126a357/afc965aae8fe4b7b9170f945a76cc286/FLAG923637753 [2022-11-16 12:40:27,829 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:40:27,830 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4354fd9-c85d-4b18-8011-495b9e118c70/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2022-11-16 12:40:27,893 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4354fd9-c85d-4b18-8011-495b9e118c70/bin/uautomizer-tPACEb0tL8/data/51126a357/afc965aae8fe4b7b9170f945a76cc286/FLAG923637753 [2022-11-16 12:40:28,107 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4354fd9-c85d-4b18-8011-495b9e118c70/bin/uautomizer-tPACEb0tL8/data/51126a357/afc965aae8fe4b7b9170f945a76cc286 [2022-11-16 12:40:28,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:40:28,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:40:28,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:40:28,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:40:28,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:40:28,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:40:28" (1/1) ... [2022-11-16 12:40:28,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca6394a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:28, skipping insertion in model container [2022-11-16 12:40:28,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:40:28" (1/1) ... [2022-11-16 12:40:28,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:40:28,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:40:31,757 WARN L229 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_e4354fd9-c85d-4b18-8011-495b9e118c70/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i[370344,370357] [2022-11-16 12:40:31,998 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-16 12:40:32,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:40:32,042 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:40:32,841 WARN L229 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_e4354fd9-c85d-4b18-8011-495b9e118c70/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i[370344,370357] [2022-11-16 12:40:32,859 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-16 12:40:32,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:40:33,032 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:40:33,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:33 WrapperNode [2022-11-16 12:40:33,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:40:33,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:40:33,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:40:33,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:40:33,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:33" (1/1) ... [2022-11-16 12:40:33,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:33" (1/1) ... [2022-11-16 12:40:33,731 INFO L138 Inliner]: procedures = 381, calls = 4812, calls flagged for inlining = 148, calls inlined = 144, statements flattened = 12092 [2022-11-16 12:40:33,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:40:33,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:40:33,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:40:33,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:40:33,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:33" (1/1) ... [2022-11-16 12:40:33,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:33" (1/1) ... [2022-11-16 12:40:33,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:33" (1/1) ... [2022-11-16 12:40:33,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:33" (1/1) ... [2022-11-16 12:40:34,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:33" (1/1) ... [2022-11-16 12:40:34,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:33" (1/1) ... [2022-11-16 12:40:34,356 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:33" (1/1) ... [2022-11-16 12:40:34,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:33" (1/1) ... [2022-11-16 12:40:34,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:40:34,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:40:34,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:40:34,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:40:34,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:33" (1/1) ... [2022-11-16 12:40:34,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:40:34,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4354fd9-c85d-4b18-8011-495b9e118c70/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:40:34,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4354fd9-c85d-4b18-8011-495b9e118c70/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:40:34,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4354fd9-c85d-4b18-8011-495b9e118c70/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:40:34,546 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2022-11-16 12:40:34,546 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2022-11-16 12:40:34,547 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_PSS [2022-11-16 12:40:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_PSS [2022-11-16 12:40:34,547 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2022-11-16 12:40:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2022-11-16 12:40:34,548 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2022-11-16 12:40:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2022-11-16 12:40:34,548 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-11-16 12:40:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-11-16 12:40:34,548 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qh_alloc [2022-11-16 12:40:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qh_alloc [2022-11-16 12:40:34,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 12:40:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 12:40:34,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 12:40:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 12:40:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_dequeue [2022-11-16 12:40:34,550 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_dequeue [2022-11-16 12:40:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2022-11-16 12:40:34,550 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2022-11-16 12:40:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2022-11-16 12:40:34,551 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2022-11-16 12:40:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_to_hcd [2022-11-16 12:40:34,551 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_to_hcd [2022-11-16 12:40:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-16 12:40:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-16 12:40:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 12:40:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 12:40:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2022-11-16 12:40:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2022-11-16 12:40:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2022-11-16 12:40:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2022-11-16 12:40:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2022-11-16 12:40:34,555 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2022-11-16 12:40:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2022-11-16 12:40:34,555 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2022-11-16 12:40:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 12:40:34,556 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 12:40:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 12:40:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 12:40:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_remove [2022-11-16 12:40:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_remove [2022-11-16 12:40:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2022-11-16 12:40:34,558 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2022-11-16 12:40:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_ASS [2022-11-16 12:40:34,558 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_ASS [2022-11-16 12:40:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2022-11-16 12:40:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2022-11-16 12:40:34,559 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_run [2022-11-16 12:40:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_run [2022-11-16 12:40:34,559 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-16 12:40:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-16 12:40:34,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 12:40:34,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 12:40:34,561 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2022-11-16 12:40:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2022-11-16 12:40:34,562 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 12:40:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 12:40:34,563 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_status_data [2022-11-16 12:40:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_status_data [2022-11-16 12:40:34,563 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_set_command_bit [2022-11-16 12:40:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_set_command_bit [2022-11-16 12:40:34,564 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2022-11-16 12:40:34,564 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2022-11-16 12:40:34,564 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2022-11-16 12:40:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2022-11-16 12:40:34,565 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-16 12:40:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-16 12:40:34,566 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_init [2022-11-16 12:40:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_init [2022-11-16 12:40:34,566 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 12:40:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 12:40:34,566 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2022-11-16 12:40:34,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2022-11-16 12:40:34,568 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_relinquish_port [2022-11-16 12:40:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_relinquish_port [2022-11-16 12:40:34,568 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_fotg210 [2022-11-16 12:40:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_fotg210 [2022-11-16 12:40:34,569 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_irq [2022-11-16 12:40:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_irq [2022-11-16 12:40:34,569 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2022-11-16 12:40:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2022-11-16 12:40:34,569 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-16 12:40:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-16 12:40:34,570 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_stop [2022-11-16 12:40:34,570 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_stop [2022-11-16 12:40:34,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:40:34,570 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 12:40:34,571 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 12:40:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2022-11-16 12:40:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2022-11-16 12:40:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_command_bit [2022-11-16 12:40:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_command_bit [2022-11-16 12:40:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2022-11-16 12:40:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2022-11-16 12:40:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 12:40:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-16 12:40:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-11-16 12:40:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-11-16 12:40:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-11-16 12:40:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-11-16 12:40:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-16 12:40:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-16 12:40:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2022-11-16 12:40:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2022-11-16 12:40:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-16 12:40:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-16 12:40:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_readl [2022-11-16 12:40:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_readl [2022-11-16 12:40:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 12:40:34,578 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 12:40:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-11-16 12:40:34,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-11-16 12:40:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer [2022-11-16 12:40:34,578 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer [2022-11-16 12:40:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-16 12:40:34,580 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-16 12:40:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:40:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 12:40:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_writel [2022-11-16 12:40:34,584 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_writel [2022-11-16 12:40:34,586 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2022-11-16 12:40:34,586 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2022-11-16 12:40:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2022-11-16 12:40:34,588 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2022-11-16 12:40:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_halt [2022-11-16 12:40:34,588 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_halt [2022-11-16 12:40:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-16 12:40:34,588 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-16 12:40:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_probe [2022-11-16 12:40:34,589 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_probe [2022-11-16 12:40:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2022-11-16 12:40:34,589 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2022-11-16 12:40:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-16 12:40:34,589 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-16 12:40:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_disable [2022-11-16 12:40:34,590 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_disable [2022-11-16 12:40:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-16 12:40:34,590 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-16 12:40:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-16 12:40:34,590 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-16 12:40:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 12:40:34,590 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 12:40:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-16 12:40:34,591 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-16 12:40:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2022-11-16 12:40:34,591 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2022-11-16 12:40:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_mem_cleanup [2022-11-16 12:40:34,591 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_mem_cleanup [2022-11-16 12:40:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_controller_death [2022-11-16 12:40:34,592 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_controller_death [2022-11-16 12:40:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 12:40:34,592 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 12:40:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2022-11-16 12:40:34,592 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2022-11-16 12:40:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-11-16 12:40:34,593 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-11-16 12:40:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2022-11-16 12:40:34,593 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2022-11-16 12:40:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_speed [2022-11-16 12:40:34,593 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_speed [2022-11-16 12:40:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2022-11-16 12:40:34,594 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2022-11-16 12:40:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-16 12:40:34,594 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-16 12:40:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_shutdown [2022-11-16 12:40:34,594 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_shutdown [2022-11-16 12:40:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-16 12:40:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-16 12:40:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_intr_unlinks [2022-11-16 12:40:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_intr_unlinks [2022-11-16 12:40:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_enable_event [2022-11-16 12:40:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_enable_event [2022-11-16 12:40:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_free [2022-11-16 12:40:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_free [2022-11-16 12:40:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_read_frame_index [2022-11-16 12:40:34,596 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_read_frame_index [2022-11-16 12:40:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-11-16 12:40:34,596 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-11-16 12:40:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:40:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_quiesce [2022-11-16 12:40:34,597 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_quiesce [2022-11-16 12:40:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_debug_buffer [2022-11-16 12:40:34,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_debug_buffer [2022-11-16 12:40:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2022-11-16 12:40:34,597 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2022-11-16 12:40:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_get_frame [2022-11-16 12:40:34,597 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_get_frame [2022-11-16 12:40:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2022-11-16 12:40:34,598 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2022-11-16 12:40:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-16 12:40:34,598 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-16 12:40:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-16 12:40:34,598 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-16 12:40:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_silence_controller [2022-11-16 12:40:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_silence_controller [2022-11-16 12:40:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-11-16 12:40:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-11-16 12:40:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 12:40:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 12:40:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer_complete [2022-11-16 12:40:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer_complete [2022-11-16 12:40:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-16 12:40:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-16 12:40:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-16 12:40:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-16 12:40:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:40:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_reset [2022-11-16 12:40:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_reset [2022-11-16 12:40:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2022-11-16 12:40:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2022-11-16 12:40:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-16 12:40:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-16 12:40:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 12:40:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 12:40:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2022-11-16 12:40:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2022-11-16 12:40:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-16 12:40:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-16 12:40:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:40:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_reset [2022-11-16 12:40:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_reset [2022-11-16 12:40:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-16 12:40:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-16 12:40:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-16 12:40:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-16 12:40:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:40:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2022-11-16 12:40:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2022-11-16 12:40:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2022-11-16 12:40:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2022-11-16 12:40:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2022-11-16 12:40:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2022-11-16 12:40:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 12:40:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_alloc [2022-11-16 12:40:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_alloc [2022-11-16 12:40:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_work [2022-11-16 12:40:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_work [2022-11-16 12:40:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2022-11-16 12:40:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2022-11-16 12:40:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-16 12:40:34,606 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-16 12:40:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 12:40:34,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 12:40:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_control [2022-11-16 12:40:34,606 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_control [2022-11-16 12:40:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2022-11-16 12:40:34,606 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2022-11-16 12:40:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-16 12:40:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-16 12:40:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-11-16 12:40:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-11-16 12:40:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-16 12:40:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-16 12:40:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2022-11-16 12:40:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2022-11-16 12:40:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-16 12:40:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-16 12:40:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2022-11-16 12:40:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2022-11-16 12:40:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2022-11-16 12:40:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2022-11-16 12:40:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2022-11-16 12:40:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2022-11-16 12:40:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2022-11-16 12:40:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2022-11-16 12:40:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2022-11-16 12:40:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2022-11-16 12:40:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-16 12:40:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-16 12:40:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_enqueue [2022-11-16 12:40:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_enqueue [2022-11-16 12:40:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2022-11-16 12:40:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2022-11-16 12:40:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-16 12:40:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-16 12:40:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2022-11-16 12:40:34,613 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2022-11-16 12:40:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 12:40:34,613 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 12:40:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-16 12:40:34,613 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-16 12:40:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-16 12:40:34,613 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-16 12:40:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-16 12:40:34,614 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-16 12:40:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2022-11-16 12:40:34,614 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2022-11-16 12:40:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:40:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_fotg210_init [2022-11-16 12:40:34,614 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_fotg210_init [2022-11-16 12:40:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_handed_over [2022-11-16 12:40:34,614 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_handed_over [2022-11-16 12:40:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_done [2022-11-16 12:40:34,615 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_done [2022-11-16 12:40:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:40:34,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:40:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-16 12:40:34,615 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-16 12:40:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-16 12:40:34,615 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-16 12:40:36,094 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:40:36,098 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:40:36,836 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 12:40:50,352 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_platform_driver_unregister_16_returnLabel#1: assume { :end_inline_ldv_platform_driver_unregister_16 } true; [2022-11-16 12:40:50,817 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:40:50,861 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:40:50,861 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 12:40:50,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:40:50 BoogieIcfgContainer [2022-11-16 12:40:50,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:40:50,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:40:50,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:40:50,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:40:50,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:40:28" (1/3) ... [2022-11-16 12:40:50,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4dd37a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:40:50, skipping insertion in model container [2022-11-16 12:40:50,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:40:33" (2/3) ... [2022-11-16 12:40:50,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4dd37a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:40:50, skipping insertion in model container [2022-11-16 12:40:50,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:40:50" (3/3) ... [2022-11-16 12:40:50,887 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2022-11-16 12:40:50,908 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:40:50,909 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:40:51,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:40:51,095 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;@2bc41559, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:40:51,095 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:40:51,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 3743 states, 2615 states have (on average 1.3969407265774378) internal successors, (3653), 2704 states have internal predecessors, (3653), 983 states have call successors, (983), 144 states have call predecessors, (983), 143 states have return successors, (975), 956 states have call predecessors, (975), 975 states have call successors, (975) [2022-11-16 12:40:51,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-11-16 12:40:51,161 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:40:51,162 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:40:51,162 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:40:51,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:40:51,168 INFO L85 PathProgramCache]: Analyzing trace with hash 565161250, now seen corresponding path program 1 times [2022-11-16 12:40:51,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:40:51,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806496489] [2022-11-16 12:40:51,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:40:51,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:40:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:40:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:40:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:40:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:40:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:40:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:40:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:40:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:40:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:40:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:40:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 12:40:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:40:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 12:40:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:40:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 12:40:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:40:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 12:40:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:40:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 12:40:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:52,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:40:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-16 12:40:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-16 12:40:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-16 12:40:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 12:40:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-16 12:40:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-16 12:40:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:40:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-16 12:40:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-16 12:40:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-16 12:40:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-16 12:40:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-16 12:40:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-16 12:40:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-16 12:40:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-16 12:40:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-16 12:40:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-16 12:40:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-16 12:40:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:40:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:53,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-11-16 12:40:53,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:40:53,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806496489] [2022-11-16 12:40:53,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806496489] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:40:53,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:40:53,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:40:53,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248468335] [2022-11-16 12:40:53,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:40:53,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:40:53,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:40:53,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:40:53,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:40:53,730 INFO L87 Difference]: Start difference. First operand has 3743 states, 2615 states have (on average 1.3969407265774378) internal successors, (3653), 2704 states have internal predecessors, (3653), 983 states have call successors, (983), 144 states have call predecessors, (983), 143 states have return successors, (975), 956 states have call predecessors, (975), 975 states have call successors, (975) Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-16 12:41:06,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:41:08,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:41:10,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:41:10,795 INFO L93 Difference]: Finished difference Result 7896 states and 12071 transitions. [2022-11-16 12:41:10,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:41:10,802 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 374 [2022-11-16 12:41:10,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:41:10,866 INFO L225 Difference]: With dead ends: 7896 [2022-11-16 12:41:10,866 INFO L226 Difference]: Without dead ends: 4133 [2022-11-16 12:41:10,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:41:10,902 INFO L413 NwaCegarLoop]: 4810 mSDtfsCounter, 2779 mSDsluCounter, 2786 mSDsCounter, 0 mSdLazyCounter, 2502 mSolverCounterSat, 3613 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2884 SdHoareTripleChecker+Valid, 7596 SdHoareTripleChecker+Invalid, 6117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3613 IncrementalHoareTripleChecker+Valid, 2502 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:41:10,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2884 Valid, 7596 Invalid, 6117 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3613 Valid, 2502 Invalid, 2 Unknown, 0 Unchecked, 16.3s Time] [2022-11-16 12:41:10,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4133 states. [2022-11-16 12:41:11,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4133 to 3719. [2022-11-16 12:41:11,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3719 states, 2603 states have (on average 1.3791778716865155) internal successors, (3590), 2682 states have internal predecessors, (3590), 973 states have call successors, (973), 143 states have call predecessors, (973), 142 states have return successors, (967), 948 states have call predecessors, (967), 967 states have call successors, (967) [2022-11-16 12:41:11,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3719 states to 3719 states and 5530 transitions. [2022-11-16 12:41:11,283 INFO L78 Accepts]: Start accepts. Automaton has 3719 states and 5530 transitions. Word has length 374 [2022-11-16 12:41:11,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:41:11,286 INFO L495 AbstractCegarLoop]: Abstraction has 3719 states and 5530 transitions. [2022-11-16 12:41:11,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-16 12:41:11,286 INFO L276 IsEmpty]: Start isEmpty. Operand 3719 states and 5530 transitions. [2022-11-16 12:41:11,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-11-16 12:41:11,304 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:41:11,305 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:41:11,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:41:11,305 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:41:11,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:41:11,306 INFO L85 PathProgramCache]: Analyzing trace with hash 18753590, now seen corresponding path program 1 times [2022-11-16 12:41:11,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:41:11,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941986395] [2022-11-16 12:41:11,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:41:11,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:41:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:41:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:41:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:41:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:41:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:41:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:41:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:41:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:41:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:41:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:41:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 12:41:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:41:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 12:41:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:41:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 12:41:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:41:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 12:41:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:41:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 12:41:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:41:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-16 12:41:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-16 12:41:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-16 12:41:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 12:41:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-16 12:41:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-16 12:41:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:41:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-16 12:41:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-16 12:41:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-16 12:41:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-16 12:41:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-16 12:41:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-16 12:41:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-16 12:41:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-16 12:41:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:12,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:13,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-16 12:41:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:13,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:13,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-16 12:41:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:13,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:13,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-16 12:41:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:13,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:13,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-11-16 12:41:13,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:41:13,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941986395] [2022-11-16 12:41:13,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941986395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:41:13,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:41:13,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:41:13,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992999005] [2022-11-16 12:41:13,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:41:13,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:41:13,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:41:13,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:41:13,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:41:13,078 INFO L87 Difference]: Start difference. First operand 3719 states and 5530 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-16 12:41:25,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:41:36,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:41:36,811 INFO L93 Difference]: Finished difference Result 11816 states and 17724 transitions. [2022-11-16 12:41:36,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:41:36,811 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 374 [2022-11-16 12:41:36,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:41:36,875 INFO L225 Difference]: With dead ends: 11816 [2022-11-16 12:41:36,875 INFO L226 Difference]: Without dead ends: 8161 [2022-11-16 12:41:36,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:41:36,898 INFO L413 NwaCegarLoop]: 5562 mSDtfsCounter, 10407 mSDsluCounter, 6927 mSDsCounter, 0 mSdLazyCounter, 5118 mSolverCounterSat, 7598 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11200 SdHoareTripleChecker+Valid, 12489 SdHoareTripleChecker+Invalid, 12717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7598 IncrementalHoareTripleChecker+Valid, 5118 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:41:36,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11200 Valid, 12489 Invalid, 12717 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7598 Valid, 5118 Invalid, 1 Unknown, 0 Unchecked, 22.7s Time] [2022-11-16 12:41:36,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8161 states. [2022-11-16 12:41:37,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8161 to 7337. [2022-11-16 12:41:37,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7337 states, 5148 states have (on average 1.3817016317016317) internal successors, (7113), 5305 states have internal predecessors, (7113), 1904 states have call successors, (1904), 284 states have call predecessors, (1904), 284 states have return successors, (1904), 1857 states have call predecessors, (1904), 1898 states have call successors, (1904) [2022-11-16 12:41:37,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7337 states to 7337 states and 10921 transitions. [2022-11-16 12:41:37,374 INFO L78 Accepts]: Start accepts. Automaton has 7337 states and 10921 transitions. Word has length 374 [2022-11-16 12:41:37,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:41:37,377 INFO L495 AbstractCegarLoop]: Abstraction has 7337 states and 10921 transitions. [2022-11-16 12:41:37,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-16 12:41:37,378 INFO L276 IsEmpty]: Start isEmpty. Operand 7337 states and 10921 transitions. [2022-11-16 12:41:37,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-11-16 12:41:37,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:41:37,386 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:41:37,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:41:37,386 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:41:37,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:41:37,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1448171311, now seen corresponding path program 1 times [2022-11-16 12:41:37,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:41:37,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418914881] [2022-11-16 12:41:37,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:41:37,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:41:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:41:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:41:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:41:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:41:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:41:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:41:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:41:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:41:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:41:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:41:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 12:41:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:41:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 12:41:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:41:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 12:41:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:41:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 12:41:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:41:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 12:41:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:41:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-16 12:41:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-16 12:41:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-16 12:41:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 12:41:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-16 12:41:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-16 12:41:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:41:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-16 12:41:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-16 12:41:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-16 12:41:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-16 12:41:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-16 12:41:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-16 12:41:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-16 12:41:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-16 12:41:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-16 12:41:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-16 12:41:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-16 12:41:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:41:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-11-16 12:41:38,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:41:38,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418914881] [2022-11-16 12:41:38,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418914881] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:41:38,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:41:38,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:41:38,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563736708] [2022-11-16 12:41:38,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:41:38,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:41:38,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:41:38,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:41:38,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:41:38,948 INFO L87 Difference]: Start difference. First operand 7337 states and 10921 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-16 12:41:56,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:41:58,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:42:00,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:42:02,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:42:04,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:42:06,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:42:21,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:42:23,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:42:25,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:42:27,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:42:29,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:42:31,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:42:34,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:42:34,508 INFO L93 Difference]: Finished difference Result 23439 states and 35153 transitions. [2022-11-16 12:42:34,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:42:34,509 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 375 [2022-11-16 12:42:34,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:42:34,656 INFO L225 Difference]: With dead ends: 23439 [2022-11-16 12:42:34,657 INFO L226 Difference]: Without dead ends: 16166 [2022-11-16 12:42:34,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:42:34,716 INFO L413 NwaCegarLoop]: 5583 mSDtfsCounter, 8248 mSDsluCounter, 11507 mSDsCounter, 0 mSdLazyCounter, 9428 mSolverCounterSat, 5096 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9043 SdHoareTripleChecker+Valid, 17090 SdHoareTripleChecker+Invalid, 14536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5096 IncrementalHoareTripleChecker+Valid, 9428 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:42:34,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9043 Valid, 17090 Invalid, 14536 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5096 Valid, 9428 Invalid, 12 Unknown, 0 Unchecked, 54.4s Time] [2022-11-16 12:42:34,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16166 states. [2022-11-16 12:42:35,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16166 to 14539. [2022-11-16 12:42:35,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14539 states, 10212 states have (on average 1.3825891108499804) internal successors, (14119), 10523 states have internal predecessors, (14119), 3759 states have call successors, (3759), 566 states have call predecessors, (3759), 567 states have return successors, (3765), 3669 states have call predecessors, (3765), 3753 states have call successors, (3765) [2022-11-16 12:42:35,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14539 states to 14539 states and 21643 transitions. [2022-11-16 12:42:35,962 INFO L78 Accepts]: Start accepts. Automaton has 14539 states and 21643 transitions. Word has length 375 [2022-11-16 12:42:35,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:42:35,969 INFO L495 AbstractCegarLoop]: Abstraction has 14539 states and 21643 transitions. [2022-11-16 12:42:35,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-16 12:42:35,969 INFO L276 IsEmpty]: Start isEmpty. Operand 14539 states and 21643 transitions. [2022-11-16 12:42:35,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-11-16 12:42:35,978 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:42:35,979 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:42:35,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:42:35,979 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:42:35,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:42:35,980 INFO L85 PathProgramCache]: Analyzing trace with hash 685442714, now seen corresponding path program 1 times [2022-11-16 12:42:35,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:42:35,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910184936] [2022-11-16 12:42:35,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:42:35,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:42:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:42:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:42:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:42:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:42:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:42:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:42:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:42:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:42:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:42:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:42:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 12:42:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:42:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 12:42:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:42:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 12:42:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:36,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:42:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 12:42:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:42:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 12:42:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:42:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-16 12:42:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-16 12:42:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-16 12:42:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 12:42:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-16 12:42:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-16 12:42:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:42:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-16 12:42:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-16 12:42:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-16 12:42:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-16 12:42:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-16 12:42:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-16 12:42:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-16 12:42:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-16 12:42:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-16 12:42:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-16 12:42:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-16 12:42:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:42:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-11-16 12:42:37,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:42:37,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910184936] [2022-11-16 12:42:37,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910184936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:42:37,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:42:37,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:42:37,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753227597] [2022-11-16 12:42:37,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:42:37,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:42:37,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:42:37,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:42:37,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:42:37,527 INFO L87 Difference]: Start difference. First operand 14539 states and 21643 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-16 12:42:47,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:43:01,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:43:01,844 INFO L93 Difference]: Finished difference Result 46097 states and 69114 transitions. [2022-11-16 12:43:01,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:43:01,846 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 380 [2022-11-16 12:43:01,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:43:02,092 INFO L225 Difference]: With dead ends: 46097 [2022-11-16 12:43:02,092 INFO L226 Difference]: Without dead ends: 31622 [2022-11-16 12:43:02,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:43:02,343 INFO L413 NwaCegarLoop]: 5955 mSDtfsCounter, 9860 mSDsluCounter, 7183 mSDsCounter, 0 mSdLazyCounter, 5321 mSolverCounterSat, 7244 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10654 SdHoareTripleChecker+Valid, 13138 SdHoareTripleChecker+Invalid, 12566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7244 IncrementalHoareTripleChecker+Valid, 5321 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:43:02,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10654 Valid, 13138 Invalid, 12566 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7244 Valid, 5321 Invalid, 1 Unknown, 0 Unchecked, 22.7s Time] [2022-11-16 12:43:02,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31622 states. [2022-11-16 12:43:04,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31622 to 28412. [2022-11-16 12:43:04,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28412 states, 19972 states have (on average 1.3831363909473262) internal successors, (27624), 20574 states have internal predecessors, (27624), 7319 states have call successors, (7319), 1119 states have call predecessors, (7319), 1120 states have return successors, (7337), 7152 states have call predecessors, (7337), 7313 states have call successors, (7337) [2022-11-16 12:43:04,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28412 states to 28412 states and 42280 transitions. [2022-11-16 12:43:04,383 INFO L78 Accepts]: Start accepts. Automaton has 28412 states and 42280 transitions. Word has length 380 [2022-11-16 12:43:04,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:43:04,384 INFO L495 AbstractCegarLoop]: Abstraction has 28412 states and 42280 transitions. [2022-11-16 12:43:04,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-16 12:43:04,385 INFO L276 IsEmpty]: Start isEmpty. Operand 28412 states and 42280 transitions. [2022-11-16 12:43:04,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2022-11-16 12:43:04,392 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:43:04,393 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:04,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:43:04,393 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:43:04,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:04,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1989923094, now seen corresponding path program 1 times [2022-11-16 12:43:04,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:04,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201255781] [2022-11-16 12:43:04,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:04,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:43:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:43:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:43:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:43:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:43:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:43:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:43:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:43:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:43:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:43:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 12:43:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:43:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 12:43:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:43:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 12:43:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:43:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 12:43:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:43:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 12:43:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:43:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-16 12:43:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-16 12:43:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-16 12:43:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 12:43:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-16 12:43:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-16 12:43:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:43:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-16 12:43:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-16 12:43:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-16 12:43:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-16 12:43:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:05,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-16 12:43:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:06,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:06,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-16 12:43:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:06,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:06,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-16 12:43:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:06,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:06,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-16 12:43:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:06,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:06,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-16 12:43:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:06,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:06,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-16 12:43:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:06,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:06,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-16 12:43:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:06,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:06,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-11-16 12:43:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:06,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-11-16 12:43:06,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:06,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201255781] [2022-11-16 12:43:06,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201255781] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:06,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:06,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:43:06,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063990390] [2022-11-16 12:43:06,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:06,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:43:06,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:06,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:43:06,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:43:06,412 INFO L87 Difference]: Start difference. First operand 28412 states and 42280 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-16 12:43:21,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:43:23,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:43:26,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:43:28,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:43:35,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:43:35,589 INFO L93 Difference]: Finished difference Result 31606 states and 47540 transitions. [2022-11-16 12:43:35,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:43:35,589 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 383 [2022-11-16 12:43:35,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:43:35,775 INFO L225 Difference]: With dead ends: 31606 [2022-11-16 12:43:35,775 INFO L226 Difference]: Without dead ends: 31603 [2022-11-16 12:43:35,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:43:35,796 INFO L413 NwaCegarLoop]: 4765 mSDtfsCounter, 6545 mSDsluCounter, 7081 mSDsCounter, 0 mSdLazyCounter, 5397 mSolverCounterSat, 2857 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7234 SdHoareTripleChecker+Valid, 11846 SdHoareTripleChecker+Invalid, 8258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2857 IncrementalHoareTripleChecker+Valid, 5397 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:43:35,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7234 Valid, 11846 Invalid, 8258 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2857 Valid, 5397 Invalid, 4 Unknown, 0 Unchecked, 28.0s Time] [2022-11-16 12:43:35,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31603 states. [2022-11-16 12:43:37,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31603 to 28411. [2022-11-16 12:43:37,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28411 states, 19972 states have (on average 1.3830863208491888) internal successors, (27623), 20573 states have internal predecessors, (27623), 7318 states have call successors, (7318), 1119 states have call predecessors, (7318), 1120 states have return successors, (7337), 7152 states have call predecessors, (7337), 7313 states have call successors, (7337) [2022-11-16 12:43:37,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28411 states to 28411 states and 42278 transitions. [2022-11-16 12:43:37,760 INFO L78 Accepts]: Start accepts. Automaton has 28411 states and 42278 transitions. Word has length 383 [2022-11-16 12:43:37,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:43:37,762 INFO L495 AbstractCegarLoop]: Abstraction has 28411 states and 42278 transitions. [2022-11-16 12:43:37,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-16 12:43:37,763 INFO L276 IsEmpty]: Start isEmpty. Operand 28411 states and 42278 transitions. [2022-11-16 12:43:37,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-11-16 12:43:37,770 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:43:37,771 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:37,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:43:37,771 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:43:37,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:37,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1556402355, now seen corresponding path program 1 times [2022-11-16 12:43:37,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:37,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914808583] [2022-11-16 12:43:37,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:37,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:43:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:43:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:43:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:43:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:43:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:43:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:43:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:43:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:43:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:43:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 12:43:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:43:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 12:43:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:43:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 12:43:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:43:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 12:43:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:43:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 12:43:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:43:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-16 12:43:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-16 12:43:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-16 12:43:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 12:43:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-16 12:43:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-16 12:43:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:43:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-16 12:43:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-16 12:43:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-16 12:43:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-16 12:43:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-16 12:43:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-16 12:43:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-16 12:43:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-16 12:43:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-16 12:43:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-16 12:43:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-16 12:43:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:43:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-11-16 12:43:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-11-16 12:43:39,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:39,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914808583] [2022-11-16 12:43:39,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914808583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:39,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:39,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:43:39,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078894742] [2022-11-16 12:43:39,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:39,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:43:39,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:39,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:43:39,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:43:39,309 INFO L87 Difference]: Start difference. First operand 28411 states and 42278 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-16 12:43:51,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:43:52,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:43:58,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:43:58,042 INFO L93 Difference]: Finished difference Result 31697 states and 47632 transitions. [2022-11-16 12:43:58,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:43:58,043 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 384 [2022-11-16 12:43:58,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:43:58,206 INFO L225 Difference]: With dead ends: 31697 [2022-11-16 12:43:58,206 INFO L226 Difference]: Without dead ends: 31694 [2022-11-16 12:43:58,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:43:58,228 INFO L413 NwaCegarLoop]: 4762 mSDtfsCounter, 6550 mSDsluCounter, 5038 mSDsCounter, 0 mSdLazyCounter, 4006 mSolverCounterSat, 2887 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7237 SdHoareTripleChecker+Valid, 9800 SdHoareTripleChecker+Invalid, 6894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2887 IncrementalHoareTripleChecker+Valid, 4006 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:43:58,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7237 Valid, 9800 Invalid, 6894 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2887 Valid, 4006 Invalid, 1 Unknown, 0 Unchecked, 17.4s Time] [2022-11-16 12:43:58,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31694 states. [2022-11-16 12:44:00,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31694 to 28458. [2022-11-16 12:44:00,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28458 states, 20000 states have (on average 1.3821) internal successors, (27642), 20600 states have internal predecessors, (27642), 7319 states have call successors, (7319), 1137 states have call predecessors, (7319), 1138 states have return successors, (7339), 7154 states have call predecessors, (7339), 7315 states have call successors, (7339) [2022-11-16 12:44:00,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28458 states to 28458 states and 42300 transitions. [2022-11-16 12:44:00,211 INFO L78 Accepts]: Start accepts. Automaton has 28458 states and 42300 transitions. Word has length 384 [2022-11-16 12:44:00,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:44:00,212 INFO L495 AbstractCegarLoop]: Abstraction has 28458 states and 42300 transitions. [2022-11-16 12:44:00,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-16 12:44:00,213 INFO L276 IsEmpty]: Start isEmpty. Operand 28458 states and 42300 transitions. [2022-11-16 12:44:00,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-11-16 12:44:00,216 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:44:00,216 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:44:00,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:44:00,217 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:44:00,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:00,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1002166201, now seen corresponding path program 1 times [2022-11-16 12:44:00,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:44:00,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559594180] [2022-11-16 12:44:00,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:00,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:44:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:00,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:44:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:00,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:00,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:00,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:44:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:00,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:00,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:00,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:44:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:00,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:00,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:00,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:44:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:44:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 12:44:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 12:44:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 12:44:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 12:44:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 12:44:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-16 12:44:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-16 12:44:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-16 12:44:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 12:44:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-16 12:44:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-16 12:44:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:44:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-16 12:44:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-16 12:44:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-16 12:44:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-16 12:44:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-16 12:44:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-16 12:44:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-16 12:44:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-16 12:44:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-16 12:44:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-16 12:44:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-16 12:44:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-11-16 12:44:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:01,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-11-16 12:44:01,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:44:01,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559594180] [2022-11-16 12:44:01,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559594180] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:44:01,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:44:01,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:44:01,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257548842] [2022-11-16 12:44:01,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:44:01,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:44:01,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:44:01,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:44:01,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:44:01,739 INFO L87 Difference]: Start difference. First operand 28458 states and 42300 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-16 12:44:11,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:44:13,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:44:22,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:44:22,277 INFO L93 Difference]: Finished difference Result 44137 states and 65257 transitions. [2022-11-16 12:44:22,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:44:22,278 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 385 [2022-11-16 12:44:22,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:44:22,622 INFO L225 Difference]: With dead ends: 44137 [2022-11-16 12:44:22,622 INFO L226 Difference]: Without dead ends: 44133 [2022-11-16 12:44:22,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:44:22,645 INFO L413 NwaCegarLoop]: 5095 mSDtfsCounter, 8397 mSDsluCounter, 4704 mSDsCounter, 0 mSdLazyCounter, 3851 mSolverCounterSat, 5488 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9086 SdHoareTripleChecker+Valid, 9799 SdHoareTripleChecker+Invalid, 9341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5488 IncrementalHoareTripleChecker+Valid, 3851 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:44:22,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9086 Valid, 9799 Invalid, 9341 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5488 Valid, 3851 Invalid, 2 Unknown, 0 Unchecked, 18.5s Time] [2022-11-16 12:44:22,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44133 states. [2022-11-16 12:44:24,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44133 to 39677. [2022-11-16 12:44:24,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39677 states, 27791 states have (on average 1.3653700838400922) internal successors, (37945), 28592 states have internal predecessors, (37945), 10040 states have call successors, (10040), 1844 states have call predecessors, (10040), 1845 states have return successors, (10062), 9849 states have call predecessors, (10062), 10038 states have call successors, (10062) [2022-11-16 12:44:25,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39677 states to 39677 states and 58047 transitions. [2022-11-16 12:44:25,117 INFO L78 Accepts]: Start accepts. Automaton has 39677 states and 58047 transitions. Word has length 385 [2022-11-16 12:44:25,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:44:25,118 INFO L495 AbstractCegarLoop]: Abstraction has 39677 states and 58047 transitions. [2022-11-16 12:44:25,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-16 12:44:25,119 INFO L276 IsEmpty]: Start isEmpty. Operand 39677 states and 58047 transitions. [2022-11-16 12:44:25,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-11-16 12:44:25,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:44:25,122 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:44:25,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:44:25,123 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:44:25,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:25,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1000719478, now seen corresponding path program 1 times [2022-11-16 12:44:25,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:44:25,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479260799] [2022-11-16 12:44:25,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:25,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:44:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:44:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:44:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:44:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:44:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:44:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 12:44:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 12:44:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 12:44:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 12:44:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 12:44:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-16 12:44:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-16 12:44:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-16 12:44:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 12:44:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-16 12:44:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-16 12:44:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:44:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-16 12:44:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-16 12:44:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-16 12:44:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-16 12:44:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-16 12:44:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-16 12:44:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-16 12:44:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-16 12:44:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-16 12:44:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-16 12:44:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-16 12:44:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-11-16 12:44:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:26,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-11-16 12:44:26,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:44:26,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479260799] [2022-11-16 12:44:26,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479260799] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:44:26,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:44:26,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:44:26,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633308816] [2022-11-16 12:44:26,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:44:26,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:44:26,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:44:26,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:44:26,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:44:26,870 INFO L87 Difference]: Start difference. First operand 39677 states and 58047 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-16 12:44:36,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:44:41,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:44:41,368 INFO L93 Difference]: Finished difference Result 44133 states and 65246 transitions. [2022-11-16 12:44:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:44:41,369 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 386 [2022-11-16 12:44:41,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:44:41,558 INFO L225 Difference]: With dead ends: 44133 [2022-11-16 12:44:41,558 INFO L226 Difference]: Without dead ends: 44060 [2022-11-16 12:44:41,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:44:41,578 INFO L413 NwaCegarLoop]: 4745 mSDtfsCounter, 7668 mSDsluCounter, 2795 mSDsCounter, 0 mSdLazyCounter, 2544 mSolverCounterSat, 4158 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8353 SdHoareTripleChecker+Valid, 7540 SdHoareTripleChecker+Invalid, 6703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4158 IncrementalHoareTripleChecker+Valid, 2544 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:44:41,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8353 Valid, 7540 Invalid, 6703 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4158 Valid, 2544 Invalid, 1 Unknown, 0 Unchecked, 12.3s Time] [2022-11-16 12:44:41,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44060 states. [2022-11-16 12:44:44,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44060 to 39606. [2022-11-16 12:44:44,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39606 states, 27753 states have (on average 1.3652938421071596) internal successors, (37891), 28546 states have internal predecessors, (37891), 10015 states have call successors, (10015), 1836 states have call predecessors, (10015), 1837 states have return successors, (10038), 9832 states have call predecessors, (10038), 10014 states have call successors, (10038) [2022-11-16 12:44:44,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39606 states to 39606 states and 57944 transitions. [2022-11-16 12:44:44,845 INFO L78 Accepts]: Start accepts. Automaton has 39606 states and 57944 transitions. Word has length 386 [2022-11-16 12:44:44,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:44:44,846 INFO L495 AbstractCegarLoop]: Abstraction has 39606 states and 57944 transitions. [2022-11-16 12:44:44,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-16 12:44:44,846 INFO L276 IsEmpty]: Start isEmpty. Operand 39606 states and 57944 transitions. [2022-11-16 12:44:44,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2022-11-16 12:44:44,872 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:44:44,872 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 18, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:44:44,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:44:44,873 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:44:44,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:44,873 INFO L85 PathProgramCache]: Analyzing trace with hash -202858852, now seen corresponding path program 1 times [2022-11-16 12:44:44,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:44:44,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069675914] [2022-11-16 12:44:44,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:44,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:44:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:44:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:44:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:44:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:44:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:44:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 12:44:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 12:44:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 12:44:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 12:44:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 12:44:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-16 12:44:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-16 12:44:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-16 12:44:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 12:44:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-16 12:44:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-16 12:44:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:44:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-16 12:44:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-16 12:44:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-16 12:44:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-16 12:44:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-16 12:44:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-16 12:44:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-16 12:44:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-16 12:44:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-16 12:44:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-16 12:44:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-16 12:44:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-11-16 12:44:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-11-16 12:44:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-11-16 12:44:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-11-16 12:44:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-11-16 12:44:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-11-16 12:44:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:46,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-11-16 12:44:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-11-16 12:44:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-11-16 12:44:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-11-16 12:44:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-11-16 12:44:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-11-16 12:44:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-11-16 12:44:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2022-11-16 12:44:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:47,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4322 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4317 trivial. 0 not checked. [2022-11-16 12:44:47,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:44:47,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069675914] [2022-11-16 12:44:47,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069675914] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:44:47,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:44:47,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:44:47,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012369207] [2022-11-16 12:44:47,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:44:47,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:44:47,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:44:47,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:44:47,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:44:47,183 INFO L87 Difference]: Start difference. First operand 39606 states and 57944 transitions. Second operand has 8 states, 8 states have (on average 12.875) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (48), 6 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-16 12:45:06,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:45:18,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:45:18,733 INFO L93 Difference]: Finished difference Result 83626 states and 123026 transitions. [2022-11-16 12:45:18,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:45:18,733 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (48), 6 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 592 [2022-11-16 12:45:18,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:45:18,930 INFO L225 Difference]: With dead ends: 83626 [2022-11-16 12:45:18,930 INFO L226 Difference]: Without dead ends: 44060 [2022-11-16 12:45:19,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:45:19,052 INFO L413 NwaCegarLoop]: 688 mSDtfsCounter, 6878 mSDsluCounter, 1941 mSDsCounter, 0 mSdLazyCounter, 19240 mSolverCounterSat, 4264 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7627 SdHoareTripleChecker+Valid, 2629 SdHoareTripleChecker+Invalid, 23505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4264 IncrementalHoareTripleChecker+Valid, 19240 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:45:19,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7627 Valid, 2629 Invalid, 23505 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4264 Valid, 19240 Invalid, 1 Unknown, 0 Unchecked, 28.6s Time] [2022-11-16 12:45:19,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44060 states. [2022-11-16 12:45:21,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44060 to 39606. [2022-11-16 12:45:21,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39606 states, 27753 states have (on average 1.3650055849818037) internal successors, (37883), 28546 states have internal predecessors, (37883), 10015 states have call successors, (10015), 1836 states have call predecessors, (10015), 1837 states have return successors, (10038), 9832 states have call predecessors, (10038), 10014 states have call successors, (10038) [2022-11-16 12:45:21,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39606 states to 39606 states and 57936 transitions. [2022-11-16 12:45:21,768 INFO L78 Accepts]: Start accepts. Automaton has 39606 states and 57936 transitions. Word has length 592 [2022-11-16 12:45:21,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:45:21,769 INFO L495 AbstractCegarLoop]: Abstraction has 39606 states and 57936 transitions. [2022-11-16 12:45:21,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (48), 6 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-16 12:45:21,769 INFO L276 IsEmpty]: Start isEmpty. Operand 39606 states and 57936 transitions. [2022-11-16 12:45:21,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2022-11-16 12:45:21,801 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:45:21,801 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 18, 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] [2022-11-16 12:45:21,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 12:45:21,802 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:45:21,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:45:21,802 INFO L85 PathProgramCache]: Analyzing trace with hash 797761007, now seen corresponding path program 1 times [2022-11-16 12:45:21,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:45:21,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184633235] [2022-11-16 12:45:21,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:45:21,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:45:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:22,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:45:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:22,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:22,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:22,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:45:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:22,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:22,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:22,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:45:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:22,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:22,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:22,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:45:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:22,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:22,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:22,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:45:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:22,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:22,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:22,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 12:45:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:22,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:22,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:22,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 12:45:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 12:45:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 12:45:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 12:45:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-16 12:45:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-16 12:45:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-16 12:45:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 12:45:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-16 12:45:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-16 12:45:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:45:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-16 12:45:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-16 12:45:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-16 12:45:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-16 12:45:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-16 12:45:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-16 12:45:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-16 12:45:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-16 12:45:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-16 12:45:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-16 12:45:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-16 12:45:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-11-16 12:45:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-16 12:45:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-11-16 12:45:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-11-16 12:45:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-11-16 12:45:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-11-16 12:45:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-11-16 12:45:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-11-16 12:45:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-11-16 12:45:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-11-16 12:45:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-11-16 12:45:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-11-16 12:45:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-11-16 12:45:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-11-16 12:45:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-11-16 12:45:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-11-16 12:45:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-11-16 12:45:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2022-11-16 12:45:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2022-11-16 12:45:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4319 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4317 trivial. 0 not checked. [2022-11-16 12:45:23,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:45:23,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184633235] [2022-11-16 12:45:23,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184633235] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:45:23,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:45:23,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:45:23,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131297936] [2022-11-16 12:45:23,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:45:23,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:45:23,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:45:23,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:45:23,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:45:23,962 INFO L87 Difference]: Start difference. First operand 39606 states and 57936 transitions. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-16 12:45:32,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:45:47,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:46:21,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:21,093 INFO L93 Difference]: Finished difference Result 107509 states and 158897 transitions. [2022-11-16 12:46:21,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 12:46:21,094 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 620 [2022-11-16 12:46:21,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:21,535 INFO L225 Difference]: With dead ends: 107509 [2022-11-16 12:46:21,535 INFO L226 Difference]: Without dead ends: 67967 [2022-11-16 12:46:21,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-11-16 12:46:21,656 INFO L413 NwaCegarLoop]: 1151 mSDtfsCounter, 12351 mSDsluCounter, 2663 mSDsCounter, 0 mSdLazyCounter, 29102 mSolverCounterSat, 9018 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13166 SdHoareTripleChecker+Valid, 3814 SdHoareTripleChecker+Invalid, 38121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 9018 IncrementalHoareTripleChecker+Valid, 29102 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:21,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13166 Valid, 3814 Invalid, 38121 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [9018 Valid, 29102 Invalid, 1 Unknown, 0 Unchecked, 52.1s Time] [2022-11-16 12:46:21,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67967 states. [2022-11-16 12:46:25,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67967 to 58333. [2022-11-16 12:46:25,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58333 states, 40897 states have (on average 1.3657480988825585) internal successors, (55855), 42066 states have internal predecessors, (55855), 14746 states have call successors, (14746), 2688 states have call predecessors, (14746), 2689 states have return successors, (14781), 14476 states have call predecessors, (14781), 14745 states have call successors, (14781) [2022-11-16 12:46:25,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58333 states to 58333 states and 85382 transitions. [2022-11-16 12:46:25,859 INFO L78 Accepts]: Start accepts. Automaton has 58333 states and 85382 transitions. Word has length 620 [2022-11-16 12:46:25,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:25,860 INFO L495 AbstractCegarLoop]: Abstraction has 58333 states and 85382 transitions. [2022-11-16 12:46:25,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-16 12:46:25,860 INFO L276 IsEmpty]: Start isEmpty. Operand 58333 states and 85382 transitions. [2022-11-16 12:46:25,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2022-11-16 12:46:25,888 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:25,889 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 18, 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] [2022-11-16 12:46:25,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 12:46:25,889 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:25,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:25,890 INFO L85 PathProgramCache]: Analyzing trace with hash 934519820, now seen corresponding path program 1 times [2022-11-16 12:46:25,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:25,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48200752] [2022-11-16 12:46:25,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:25,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:46:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:46:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:46:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:46:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:46:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 12:46:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 12:46:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 12:46:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 12:46:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 12:46:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:26,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-16 12:46:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-16 12:46:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-16 12:46:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 12:46:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-16 12:46:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-16 12:46:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:46:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-16 12:46:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-16 12:46:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-16 12:46:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-16 12:46:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-16 12:46:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-16 12:46:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-16 12:46:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-16 12:46:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-16 12:46:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-16 12:46:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-16 12:46:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-11-16 12:46:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-16 12:46:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-11-16 12:46:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-11-16 12:46:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-11-16 12:46:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-11-16 12:46:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-11-16 12:46:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-11-16 12:46:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-11-16 12:46:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-11-16 12:46:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-11-16 12:46:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-11-16 12:46:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-11-16 12:46:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-11-16 12:46:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-11-16 12:46:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-11-16 12:46:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-11-16 12:46:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2022-11-16 12:46:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2022-11-16 12:46:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:27,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4320 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4317 trivial. 0 not checked. [2022-11-16 12:46:27,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:27,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48200752] [2022-11-16 12:46:27,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48200752] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:27,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:27,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:46:27,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328675455] [2022-11-16 12:46:27,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:27,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:46:27,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:27,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:46:27,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:46:27,845 INFO L87 Difference]: Start difference. First operand 58333 states and 85382 transitions. Second operand has 8 states, 8 states have (on average 15.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-16 12:46:46,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:47:24,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:47:24,120 INFO L93 Difference]: Finished difference Result 157791 states and 233361 transitions. [2022-11-16 12:47:24,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 12:47:24,121 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 621 [2022-11-16 12:47:24,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:47:24,772 INFO L225 Difference]: With dead ends: 157791 [2022-11-16 12:47:24,772 INFO L226 Difference]: Without dead ends: 99522 [2022-11-16 12:47:24,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-11-16 12:47:24,926 INFO L413 NwaCegarLoop]: 1149 mSDtfsCounter, 13035 mSDsluCounter, 2638 mSDsCounter, 0 mSdLazyCounter, 27871 mSolverCounterSat, 10405 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13850 SdHoareTripleChecker+Valid, 3787 SdHoareTripleChecker+Invalid, 38277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 10405 IncrementalHoareTripleChecker+Valid, 27871 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:47:24,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13850 Valid, 3787 Invalid, 38277 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [10405 Valid, 27871 Invalid, 1 Unknown, 0 Unchecked, 49.1s Time] [2022-11-16 12:47:24,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99522 states. [2022-11-16 12:47:30,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99522 to 85433. [2022-11-16 12:47:30,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85433 states, 59926 states have (on average 1.3665687681473817) internal successors, (81893), 61638 states have internal predecessors, (81893), 21595 states have call successors, (21595), 3910 states have call predecessors, (21595), 3911 states have return successors, (21648), 21200 states have call predecessors, (21648), 21594 states have call successors, (21648) [2022-11-16 12:47:30,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85433 states to 85433 states and 125136 transitions. [2022-11-16 12:47:30,443 INFO L78 Accepts]: Start accepts. Automaton has 85433 states and 125136 transitions. Word has length 621 [2022-11-16 12:47:30,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:47:30,443 INFO L495 AbstractCegarLoop]: Abstraction has 85433 states and 125136 transitions. [2022-11-16 12:47:30,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-16 12:47:30,444 INFO L276 IsEmpty]: Start isEmpty. Operand 85433 states and 125136 transitions. [2022-11-16 12:47:30,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2022-11-16 12:47:30,764 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:47:30,765 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 18, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:47:30,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 12:47:30,766 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:47:30,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:30,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1827053131, now seen corresponding path program 1 times [2022-11-16 12:47:30,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:30,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549773639] [2022-11-16 12:47:30,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:30,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:47:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:47:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:47:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:47:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:47:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 12:47:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 12:47:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 12:47:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:31,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 12:47:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 12:47:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-16 12:47:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-16 12:47:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-16 12:47:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 12:47:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-16 12:47:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-16 12:47:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:47:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-16 12:47:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-16 12:47:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-16 12:47:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-16 12:47:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-16 12:47:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-16 12:47:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-16 12:47:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-16 12:47:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-16 12:47:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-16 12:47:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-16 12:47:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-11-16 12:47:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-16 12:47:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-11-16 12:47:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-11-16 12:47:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-11-16 12:47:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-11-16 12:47:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-11-16 12:47:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-11-16 12:47:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-11-16 12:47:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-11-16 12:47:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-11-16 12:47:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-11-16 12:47:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-11-16 12:47:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-11-16 12:47:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-11-16 12:47:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-11-16 12:47:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-11-16 12:47:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2022-11-16 12:47:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2022-11-16 12:47:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:32,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4322 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4317 trivial. 0 not checked. [2022-11-16 12:47:32,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:32,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549773639] [2022-11-16 12:47:32,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549773639] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:32,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:47:32,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:47:32,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434869278] [2022-11-16 12:47:32,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:32,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:47:32,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:32,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:47:32,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:47:32,820 INFO L87 Difference]: Start difference. First operand 85433 states and 125136 transitions. Second operand has 8 states, 8 states have (on average 15.625) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-16 12:47:53,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:48:41,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:48:41,096 INFO L93 Difference]: Finished difference Result 229831 states and 340181 transitions. [2022-11-16 12:48:41,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 12:48:41,097 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 626 [2022-11-16 12:48:41,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:48:42,076 INFO L225 Difference]: With dead ends: 229831 [2022-11-16 12:48:42,076 INFO L226 Difference]: Without dead ends: 144462 [2022-11-16 12:48:42,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-11-16 12:48:42,324 INFO L413 NwaCegarLoop]: 1112 mSDtfsCounter, 11719 mSDsluCounter, 3239 mSDsCounter, 0 mSdLazyCounter, 35100 mSolverCounterSat, 8708 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12522 SdHoareTripleChecker+Valid, 4351 SdHoareTripleChecker+Invalid, 43809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 8708 IncrementalHoareTripleChecker+Valid, 35100 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:48:42,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12522 Valid, 4351 Invalid, 43809 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [8708 Valid, 35100 Invalid, 1 Unknown, 0 Unchecked, 58.4s Time] [2022-11-16 12:48:42,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144462 states.