./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_786de063-74c3-48cf-a728-81bad2dfd380/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786de063-74c3-48cf-a728-81bad2dfd380/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_786de063-74c3-48cf-a728-81bad2dfd380/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786de063-74c3-48cf-a728-81bad2dfd380/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786de063-74c3-48cf-a728-81bad2dfd380/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786de063-74c3-48cf-a728-81bad2dfd380/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 32bit --witnessprinter.graph.data.programhash 92ab77284c41e8949aa8a67882902909eedb25047f32a3303bcd08767adce507 --- 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 10:56:07,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 10:56:07,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 10:56:07,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 10:56:07,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 10:56:07,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 10:56:07,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 10:56:07,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 10:56:07,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 10:56:07,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 10:56:07,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 10:56:07,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 10:56:07,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 10:56:07,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 10:56:07,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 10:56:07,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 10:56:07,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 10:56:07,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 10:56:07,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 10:56:07,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 10:56:07,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 10:56:07,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 10:56:07,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 10:56:07,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 10:56:07,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 10:56:07,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 10:56:07,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 10:56:07,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 10:56:07,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 10:56:07,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 10:56:07,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 10:56:07,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 10:56:07,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 10:56:07,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 10:56:07,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 10:56:07,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 10:56:07,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 10:56:07,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 10:56:07,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 10:56:07,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 10:56:07,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 10:56:07,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786de063-74c3-48cf-a728-81bad2dfd380/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 10:56:07,335 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 10:56:07,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 10:56:07,336 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 10:56:07,336 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 10:56:07,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 10:56:07,337 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 10:56:07,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 10:56:07,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 10:56:07,339 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 10:56:07,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 10:56:07,340 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 10:56:07,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 10:56:07,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 10:56:07,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 10:56:07,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 10:56:07,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 10:56:07,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 10:56:07,342 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 10:56:07,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 10:56:07,343 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 10:56:07,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 10:56:07,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 10:56:07,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 10:56:07,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 10:56:07,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 10:56:07,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 10:56:07,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 10:56:07,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 10:56:07,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 10:56:07,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 10:56:07,346 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 10:56:07,347 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 10:56:07,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 10:56:07,347 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_786de063-74c3-48cf-a728-81bad2dfd380/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786de063-74c3-48cf-a728-81bad2dfd380/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92ab77284c41e8949aa8a67882902909eedb25047f32a3303bcd08767adce507 [2022-11-16 10:56:07,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 10:56:07,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 10:56:07,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 10:56:07,649 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 10:56:07,650 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 10:56:07,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786de063-74c3-48cf-a728-81bad2dfd380/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-11-16 10:56:07,725 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786de063-74c3-48cf-a728-81bad2dfd380/bin/uautomizer-tPACEb0tL8/data/e03e142b3/6fc6e6bc6685442ab4dad46cf4617e63/FLAGf1a9a5d62 [2022-11-16 10:56:08,749 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 10:56:08,750 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-11-16 10:56:08,803 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786de063-74c3-48cf-a728-81bad2dfd380/bin/uautomizer-tPACEb0tL8/data/e03e142b3/6fc6e6bc6685442ab4dad46cf4617e63/FLAGf1a9a5d62 [2022-11-16 10:56:09,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786de063-74c3-48cf-a728-81bad2dfd380/bin/uautomizer-tPACEb0tL8/data/e03e142b3/6fc6e6bc6685442ab4dad46cf4617e63 [2022-11-16 10:56:09,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 10:56:09,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 10:56:09,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 10:56:09,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 10:56:09,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 10:56:09,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:56:09" (1/1) ... [2022-11-16 10:56:09,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22631a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:09, skipping insertion in model container [2022-11-16 10:56:09,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:56:09" (1/1) ... [2022-11-16 10:56:09,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 10:56:09,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 10:56:10,330 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[26799,26812] [2022-11-16 10:56:10,385 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33129,33142] [2022-11-16 10:56:10,596 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[57661,57674] [2022-11-16 10:56:10,655 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[65696,65709] [2022-11-16 10:56:10,704 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71499,71512] [2022-11-16 10:56:10,761 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[82182,82195] [2022-11-16 10:56:10,802 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[90107,90120] [2022-11-16 10:56:10,830 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[97295,97308] [2022-11-16 10:56:10,953 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[131822,131835] [2022-11-16 10:56:10,964 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[134930,134943] [2022-11-16 10:56:10,990 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[142923,142936] [2022-11-16 10:56:11,029 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[148707,148720] [2022-11-16 10:56:11,094 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[171333,171346] [2022-11-16 10:56:11,208 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[199069,199082] [2022-11-16 10:56:11,340 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[225502,225515] [2022-11-16 10:56:11,420 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[252663,252676] [2022-11-16 10:56:11,506 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[283670,283683] [2022-11-16 10:56:11,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:56:11,835 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 10:56:11,952 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[26799,26812] [2022-11-16 10:56:11,971 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33129,33142] [2022-11-16 10:56:12,071 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[57661,57674] [2022-11-16 10:56:12,093 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[65696,65709] [2022-11-16 10:56:12,109 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71499,71512] [2022-11-16 10:56:12,139 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[82182,82195] [2022-11-16 10:56:12,160 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[90107,90120] [2022-11-16 10:56:12,180 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[97295,97308] [2022-11-16 10:56:12,266 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[131822,131835] [2022-11-16 10:56:12,276 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[134930,134943] [2022-11-16 10:56:12,298 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[142923,142936] [2022-11-16 10:56:12,314 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[148707,148720] [2022-11-16 10:56:12,372 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[171333,171346] [2022-11-16 10:56:12,439 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[199069,199082] [2022-11-16 10:56:12,504 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[225502,225515] [2022-11-16 10:56:12,568 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[252663,252676] [2022-11-16 10:56:12,695 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_786de063-74c3-48cf-a728-81bad2dfd380/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[283670,283683] [2022-11-16 10:56:12,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:56:12,984 INFO L208 MainTranslator]: Completed translation [2022-11-16 10:56:12,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:12 WrapperNode [2022-11-16 10:56:12,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 10:56:12,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 10:56:12,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 10:56:12,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 10:56:12,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:12" (1/1) ... [2022-11-16 10:56:13,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:12" (1/1) ... [2022-11-16 10:56:13,411 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16771 [2022-11-16 10:56:13,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 10:56:13,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 10:56:13,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 10:56:13,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 10:56:13,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:12" (1/1) ... [2022-11-16 10:56:13,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:12" (1/1) ... [2022-11-16 10:56:13,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:12" (1/1) ... [2022-11-16 10:56:13,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:12" (1/1) ... [2022-11-16 10:56:13,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:12" (1/1) ... [2022-11-16 10:56:13,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:12" (1/1) ... [2022-11-16 10:56:13,710 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:12" (1/1) ... [2022-11-16 10:56:13,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:12" (1/1) ... [2022-11-16 10:56:13,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 10:56:13,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 10:56:13,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 10:56:13,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 10:56:13,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:12" (1/1) ... [2022-11-16 10:56:13,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 10:56:13,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786de063-74c3-48cf-a728-81bad2dfd380/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:56:13,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786de063-74c3-48cf-a728-81bad2dfd380/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 10:56:13,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786de063-74c3-48cf-a728-81bad2dfd380/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 10:56:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 10:56:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 10:56:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 10:56:13,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 10:56:14,862 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 10:56:14,865 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 10:56:24,341 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 10:56:24,387 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 10:56:24,388 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 10:56:24,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:56:24 BoogieIcfgContainer [2022-11-16 10:56:24,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 10:56:24,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 10:56:24,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 10:56:24,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 10:56:24,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 10:56:09" (1/3) ... [2022-11-16 10:56:24,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63775ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:56:24, skipping insertion in model container [2022-11-16 10:56:24,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:12" (2/3) ... [2022-11-16 10:56:24,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63775ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:56:24, skipping insertion in model container [2022-11-16 10:56:24,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:56:24" (3/3) ... [2022-11-16 10:56:24,407 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-11-16 10:56:24,431 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 10:56:24,431 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-11-16 10:56:24,580 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 10:56:24,589 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;@792215ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 10:56:24,589 INFO L358 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2022-11-16 10:56:24,613 INFO L276 IsEmpty]: Start isEmpty. Operand has 3532 states, 3514 states have (on average 1.8264086511098463) internal successors, (6418), 3531 states have internal predecessors, (6418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:56:24,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-16 10:56:24,679 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:24,680 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:56:24,681 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:56:24,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:24,689 INFO L85 PathProgramCache]: Analyzing trace with hash -912153875, now seen corresponding path program 1 times [2022-11-16 10:56:24,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:24,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659977934] [2022-11-16 10:56:24,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:24,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:25,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:56:25,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:25,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659977934] [2022-11-16 10:56:25,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659977934] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:25,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:25,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 10:56:25,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014186579] [2022-11-16 10:56:25,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:25,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 10:56:25,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:25,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 10:56:25,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:56:25,659 INFO L87 Difference]: Start difference. First operand has 3532 states, 3514 states have (on average 1.8264086511098463) internal successors, (6418), 3531 states have internal predecessors, (6418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:56:31,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:31,959 INFO L93 Difference]: Finished difference Result 6625 states and 11820 transitions. [2022-11-16 10:56:31,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 10:56:31,962 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-11-16 10:56:31,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:31,996 INFO L225 Difference]: With dead ends: 6625 [2022-11-16 10:56:31,996 INFO L226 Difference]: Without dead ends: 4205 [2022-11-16 10:56:32,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 10:56:32,012 INFO L413 NwaCegarLoop]: 2778 mSDtfsCounter, 19742 mSDsluCounter, 1150 mSDsCounter, 0 mSdLazyCounter, 3575 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19742 SdHoareTripleChecker+Valid, 3928 SdHoareTripleChecker+Invalid, 3712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 3575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:32,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19742 Valid, 3928 Invalid, 3712 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [137 Valid, 3575 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-11-16 10:56:32,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4205 states. [2022-11-16 10:56:32,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4205 to 4181. [2022-11-16 10:56:32,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4181 states, 4164 states have (on average 1.340537944284342) internal successors, (5582), 4180 states have internal predecessors, (5582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:56:32,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4181 states to 4181 states and 5582 transitions. [2022-11-16 10:56:32,374 INFO L78 Accepts]: Start accepts. Automaton has 4181 states and 5582 transitions. Word has length 64 [2022-11-16 10:56:32,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:32,374 INFO L495 AbstractCegarLoop]: Abstraction has 4181 states and 5582 transitions. [2022-11-16 10:56:32,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:56:32,375 INFO L276 IsEmpty]: Start isEmpty. Operand 4181 states and 5582 transitions. [2022-11-16 10:56:32,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-16 10:56:32,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:32,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:56:32,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 10:56:32,385 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:56:32,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:32,387 INFO L85 PathProgramCache]: Analyzing trace with hash -919069742, now seen corresponding path program 1 times [2022-11-16 10:56:32,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:32,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353461142] [2022-11-16 10:56:32,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:32,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:32,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:56:32,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:32,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353461142] [2022-11-16 10:56:32,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353461142] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:32,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:32,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 10:56:32,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432506607] [2022-11-16 10:56:32,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:32,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 10:56:32,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:32,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 10:56:32,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:56:32,683 INFO L87 Difference]: Start difference. First operand 4181 states and 5582 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:56:36,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:36,021 INFO L93 Difference]: Finished difference Result 7784 states and 10420 transitions. [2022-11-16 10:56:36,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 10:56:36,022 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-11-16 10:56:36,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:36,042 INFO L225 Difference]: With dead ends: 7784 [2022-11-16 10:56:36,042 INFO L226 Difference]: Without dead ends: 4765 [2022-11-16 10:56:36,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 10:56:36,050 INFO L413 NwaCegarLoop]: 1520 mSDtfsCounter, 11477 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 2210 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11477 SdHoareTripleChecker+Valid, 2077 SdHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 2210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:36,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11477 Valid, 2077 Invalid, 2270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 2210 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-16 10:56:36,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4765 states. [2022-11-16 10:56:36,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4765 to 4745. [2022-11-16 10:56:36,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4745 states, 4728 states have (on average 1.3517343485617597) internal successors, (6391), 4744 states have internal predecessors, (6391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:56:36,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4745 states to 4745 states and 6391 transitions. [2022-11-16 10:56:36,339 INFO L78 Accepts]: Start accepts. Automaton has 4745 states and 6391 transitions. Word has length 65 [2022-11-16 10:56:36,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:36,340 INFO L495 AbstractCegarLoop]: Abstraction has 4745 states and 6391 transitions. [2022-11-16 10:56:36,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:56:36,341 INFO L276 IsEmpty]: Start isEmpty. Operand 4745 states and 6391 transitions. [2022-11-16 10:56:36,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-16 10:56:36,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:36,349 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:56:36,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 10:56:36,349 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:56:36,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:36,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1793005613, now seen corresponding path program 1 times [2022-11-16 10:56:36,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:36,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28763719] [2022-11-16 10:56:36,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:36,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:36,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:56:36,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:36,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28763719] [2022-11-16 10:56:36,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28763719] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:36,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:36,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 10:56:36,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781279549] [2022-11-16 10:56:36,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:36,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 10:56:36,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:36,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 10:56:36,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:56:36,594 INFO L87 Difference]: Start difference. First operand 4745 states and 6391 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:56:39,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:39,702 INFO L93 Difference]: Finished difference Result 9719 states and 13133 transitions. [2022-11-16 10:56:39,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 10:56:39,702 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-11-16 10:56:39,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:39,731 INFO L225 Difference]: With dead ends: 9719 [2022-11-16 10:56:39,732 INFO L226 Difference]: Without dead ends: 6620 [2022-11-16 10:56:39,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 10:56:39,742 INFO L413 NwaCegarLoop]: 1493 mSDtfsCounter, 10937 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 1983 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10937 SdHoareTripleChecker+Valid, 2132 SdHoareTripleChecker+Invalid, 2042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:39,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10937 Valid, 2132 Invalid, 2042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1983 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-16 10:56:39,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6620 states. [2022-11-16 10:56:40,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6620 to 6593. [2022-11-16 10:56:40,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6593 states, 6576 states have (on average 1.3585766423357664) internal successors, (8934), 6592 states have internal predecessors, (8934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:56:40,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6593 states to 6593 states and 8934 transitions. [2022-11-16 10:56:40,326 INFO L78 Accepts]: Start accepts. Automaton has 6593 states and 8934 transitions. Word has length 65 [2022-11-16 10:56:40,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:40,328 INFO L495 AbstractCegarLoop]: Abstraction has 6593 states and 8934 transitions. [2022-11-16 10:56:40,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:56:40,330 INFO L276 IsEmpty]: Start isEmpty. Operand 6593 states and 8934 transitions. [2022-11-16 10:56:40,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-16 10:56:40,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:40,343 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:56:40,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 10:56:40,344 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:56:40,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:40,346 INFO L85 PathProgramCache]: Analyzing trace with hash -958325289, now seen corresponding path program 1 times [2022-11-16 10:56:40,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:40,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47699466] [2022-11-16 10:56:40,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:40,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:40,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:56:40,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:40,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47699466] [2022-11-16 10:56:40,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47699466] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:40,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:40,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 10:56:40,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987536981] [2022-11-16 10:56:40,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:40,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 10:56:40,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:40,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 10:56:40,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:56:40,683 INFO L87 Difference]: Start difference. First operand 6593 states and 8934 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:56:43,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:43,703 INFO L93 Difference]: Finished difference Result 12889 states and 17643 transitions. [2022-11-16 10:56:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 10:56:43,704 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-11-16 10:56:43,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:43,731 INFO L225 Difference]: With dead ends: 12889 [2022-11-16 10:56:43,731 INFO L226 Difference]: Without dead ends: 8503 [2022-11-16 10:56:43,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 10:56:43,741 INFO L413 NwaCegarLoop]: 1364 mSDtfsCounter, 9341 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 1630 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9341 SdHoareTripleChecker+Valid, 1841 SdHoareTripleChecker+Invalid, 1654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:43,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9341 Valid, 1841 Invalid, 1654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1630 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-16 10:56:43,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8503 states. [2022-11-16 10:56:44,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8503 to 8468. [2022-11-16 10:56:44,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8468 states, 8451 states have (on average 1.3742752337001538) internal successors, (11614), 8467 states have internal predecessors, (11614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:56:44,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8468 states to 8468 states and 11614 transitions. [2022-11-16 10:56:44,345 INFO L78 Accepts]: Start accepts. Automaton has 8468 states and 11614 transitions. Word has length 66 [2022-11-16 10:56:44,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:44,346 INFO L495 AbstractCegarLoop]: Abstraction has 8468 states and 11614 transitions. [2022-11-16 10:56:44,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:56:44,346 INFO L276 IsEmpty]: Start isEmpty. Operand 8468 states and 11614 transitions. [2022-11-16 10:56:44,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-16 10:56:44,358 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:44,359 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:56:44,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 10:56:44,360 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:56:44,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:44,361 INFO L85 PathProgramCache]: Analyzing trace with hash 215811001, now seen corresponding path program 1 times [2022-11-16 10:56:44,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:44,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958094438] [2022-11-16 10:56:44,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:44,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:44,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:56:44,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:44,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958094438] [2022-11-16 10:56:44,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958094438] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:44,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:44,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 10:56:44,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788557926] [2022-11-16 10:56:44,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:44,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 10:56:44,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:44,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 10:56:44,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-16 10:56:44,974 INFO L87 Difference]: Start difference. First operand 8468 states and 11614 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:56:53,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:53,333 INFO L93 Difference]: Finished difference Result 19590 states and 27928 transitions. [2022-11-16 10:56:53,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 10:56:53,333 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-11-16 10:56:53,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:53,389 INFO L225 Difference]: With dead ends: 19590 [2022-11-16 10:56:53,390 INFO L226 Difference]: Without dead ends: 18231 [2022-11-16 10:56:53,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2022-11-16 10:56:53,397 INFO L413 NwaCegarLoop]: 1454 mSDtfsCounter, 10487 mSDsluCounter, 6151 mSDsCounter, 0 mSdLazyCounter, 8066 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10487 SdHoareTripleChecker+Valid, 7605 SdHoareTripleChecker+Invalid, 8220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 8066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:53,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10487 Valid, 7605 Invalid, 8220 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [154 Valid, 8066 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-11-16 10:56:53,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18231 states. [2022-11-16 10:56:54,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18231 to 8411. [2022-11-16 10:56:54,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8411 states, 8394 states have (on average 1.3738384560400285) internal successors, (11532), 8410 states have internal predecessors, (11532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:56:54,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8411 states to 8411 states and 11532 transitions. [2022-11-16 10:56:54,315 INFO L78 Accepts]: Start accepts. Automaton has 8411 states and 11532 transitions. Word has length 66 [2022-11-16 10:56:54,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:54,315 INFO L495 AbstractCegarLoop]: Abstraction has 8411 states and 11532 transitions. [2022-11-16 10:56:54,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:56:54,316 INFO L276 IsEmpty]: Start isEmpty. Operand 8411 states and 11532 transitions. [2022-11-16 10:56:54,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-16 10:56:54,326 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:54,327 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:56:54,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 10:56:54,328 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:56:54,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:54,329 INFO L85 PathProgramCache]: Analyzing trace with hash -531315301, now seen corresponding path program 1 times [2022-11-16 10:56:54,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:54,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116816019] [2022-11-16 10:56:54,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:54,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:54,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:56:54,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:54,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116816019] [2022-11-16 10:56:54,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116816019] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:54,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:54,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 10:56:54,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044247910] [2022-11-16 10:56:54,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:54,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 10:56:54,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:54,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 10:56:54,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-16 10:56:54,874 INFO L87 Difference]: Start difference. First operand 8411 states and 11532 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:00,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:57:00,256 INFO L93 Difference]: Finished difference Result 13341 states and 18889 transitions. [2022-11-16 10:57:00,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 10:57:00,256 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-11-16 10:57:00,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:57:00,289 INFO L225 Difference]: With dead ends: 13341 [2022-11-16 10:57:00,289 INFO L226 Difference]: Without dead ends: 11876 [2022-11-16 10:57:00,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-11-16 10:57:00,294 INFO L413 NwaCegarLoop]: 1424 mSDtfsCounter, 6610 mSDsluCounter, 3379 mSDsCounter, 0 mSdLazyCounter, 4429 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6610 SdHoareTripleChecker+Valid, 4803 SdHoareTripleChecker+Invalid, 4444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 4429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-16 10:57:00,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6610 Valid, 4803 Invalid, 4444 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 4429 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-16 10:57:00,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11876 states. [2022-11-16 10:57:01,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11876 to 8260. [2022-11-16 10:57:01,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8260 states, 8243 states have (on average 1.3732864248453234) internal successors, (11320), 8259 states have internal predecessors, (11320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:01,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8260 states to 8260 states and 11320 transitions. [2022-11-16 10:57:01,237 INFO L78 Accepts]: Start accepts. Automaton has 8260 states and 11320 transitions. Word has length 66 [2022-11-16 10:57:01,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:57:01,237 INFO L495 AbstractCegarLoop]: Abstraction has 8260 states and 11320 transitions. [2022-11-16 10:57:01,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:01,238 INFO L276 IsEmpty]: Start isEmpty. Operand 8260 states and 11320 transitions. [2022-11-16 10:57:01,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-16 10:57:01,248 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:57:01,248 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:57:01,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 10:57:01,249 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:57:01,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:57:01,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1567621872, now seen corresponding path program 1 times [2022-11-16 10:57:01,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:57:01,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908131437] [2022-11-16 10:57:01,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:57:01,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:57:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:57:01,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:57:01,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:57:01,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908131437] [2022-11-16 10:57:01,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908131437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:57:01,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:57:01,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 10:57:01,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625488381] [2022-11-16 10:57:01,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:57:01,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 10:57:01,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:57:01,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 10:57:01,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 10:57:01,795 INFO L87 Difference]: Start difference. First operand 8260 states and 11320 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:08,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:57:08,197 INFO L93 Difference]: Finished difference Result 11812 states and 16298 transitions. [2022-11-16 10:57:08,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 10:57:08,198 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-11-16 10:57:08,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:57:08,232 INFO L225 Difference]: With dead ends: 11812 [2022-11-16 10:57:08,233 INFO L226 Difference]: Without dead ends: 11804 [2022-11-16 10:57:08,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2022-11-16 10:57:08,239 INFO L413 NwaCegarLoop]: 1427 mSDtfsCounter, 13795 mSDsluCounter, 4490 mSDsCounter, 0 mSdLazyCounter, 5838 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13795 SdHoareTripleChecker+Valid, 5917 SdHoareTripleChecker+Invalid, 5903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 5838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-16 10:57:08,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13795 Valid, 5917 Invalid, 5903 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [65 Valid, 5838 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-16 10:57:08,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11804 states. [2022-11-16 10:57:09,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11804 to 8260. [2022-11-16 10:57:09,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8260 states, 8243 states have (on average 1.373165109790125) internal successors, (11319), 8259 states have internal predecessors, (11319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:09,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8260 states to 8260 states and 11319 transitions. [2022-11-16 10:57:09,088 INFO L78 Accepts]: Start accepts. Automaton has 8260 states and 11319 transitions. Word has length 67 [2022-11-16 10:57:09,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:57:09,089 INFO L495 AbstractCegarLoop]: Abstraction has 8260 states and 11319 transitions. [2022-11-16 10:57:09,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:09,089 INFO L276 IsEmpty]: Start isEmpty. Operand 8260 states and 11319 transitions. [2022-11-16 10:57:09,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-16 10:57:09,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:57:09,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:57:09,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 10:57:09,099 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:57:09,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:57:09,099 INFO L85 PathProgramCache]: Analyzing trace with hash 435988824, now seen corresponding path program 1 times [2022-11-16 10:57:09,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:57:09,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715571396] [2022-11-16 10:57:09,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:57:09,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:57:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:57:09,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:57:09,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:57:09,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715571396] [2022-11-16 10:57:09,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715571396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:57:09,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:57:09,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 10:57:09,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071350758] [2022-11-16 10:57:09,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:57:09,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 10:57:09,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:57:09,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 10:57:09,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 10:57:09,588 INFO L87 Difference]: Start difference. First operand 8260 states and 11319 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:15,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:57:15,054 INFO L93 Difference]: Finished difference Result 9700 states and 13330 transitions. [2022-11-16 10:57:15,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 10:57:15,055 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-11-16 10:57:15,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:57:15,076 INFO L225 Difference]: With dead ends: 9700 [2022-11-16 10:57:15,076 INFO L226 Difference]: Without dead ends: 9695 [2022-11-16 10:57:15,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2022-11-16 10:57:15,081 INFO L413 NwaCegarLoop]: 1375 mSDtfsCounter, 13107 mSDsluCounter, 4414 mSDsCounter, 0 mSdLazyCounter, 5176 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13107 SdHoareTripleChecker+Valid, 5789 SdHoareTripleChecker+Invalid, 5200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 5176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-16 10:57:15,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13107 Valid, 5789 Invalid, 5200 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [24 Valid, 5176 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-16 10:57:15,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9695 states. [2022-11-16 10:57:15,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9695 to 8260. [2022-11-16 10:57:15,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8260 states, 8243 states have (on average 1.3730437947349265) internal successors, (11318), 8259 states have internal predecessors, (11318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:15,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8260 states to 8260 states and 11318 transitions. [2022-11-16 10:57:15,948 INFO L78 Accepts]: Start accepts. Automaton has 8260 states and 11318 transitions. Word has length 67 [2022-11-16 10:57:15,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:57:15,949 INFO L495 AbstractCegarLoop]: Abstraction has 8260 states and 11318 transitions. [2022-11-16 10:57:15,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:15,950 INFO L276 IsEmpty]: Start isEmpty. Operand 8260 states and 11318 transitions. [2022-11-16 10:57:15,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-16 10:57:15,958 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:57:15,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:57:15,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 10:57:15,959 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:57:15,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:57:15,960 INFO L85 PathProgramCache]: Analyzing trace with hash -2090357239, now seen corresponding path program 1 times [2022-11-16 10:57:15,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:57:15,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916016144] [2022-11-16 10:57:15,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:57:15,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:57:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:57:16,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:57:16,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:57:16,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916016144] [2022-11-16 10:57:16,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916016144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:57:16,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:57:16,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 10:57:16,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443988122] [2022-11-16 10:57:16,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:57:16,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-16 10:57:16,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:57:16,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-16 10:57:16,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-16 10:57:16,735 INFO L87 Difference]: Start difference. First operand 8260 states and 11318 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:22,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:57:22,117 INFO L93 Difference]: Finished difference Result 15502 states and 22335 transitions. [2022-11-16 10:57:22,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 10:57:22,118 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-11-16 10:57:22,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:57:22,149 INFO L225 Difference]: With dead ends: 15502 [2022-11-16 10:57:22,149 INFO L226 Difference]: Without dead ends: 15498 [2022-11-16 10:57:22,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2022-11-16 10:57:22,155 INFO L413 NwaCegarLoop]: 2653 mSDtfsCounter, 15437 mSDsluCounter, 10930 mSDsCounter, 0 mSdLazyCounter, 1718 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15437 SdHoareTripleChecker+Valid, 13583 SdHoareTripleChecker+Invalid, 1737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-16 10:57:22,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15437 Valid, 13583 Invalid, 1737 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1718 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-16 10:57:22,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15498 states. [2022-11-16 10:57:23,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15498 to 8256. [2022-11-16 10:57:23,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8256 states, 8240 states have (on average 1.3730582524271844) internal successors, (11314), 8255 states have internal predecessors, (11314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:23,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8256 states to 8256 states and 11314 transitions. [2022-11-16 10:57:23,687 INFO L78 Accepts]: Start accepts. Automaton has 8256 states and 11314 transitions. Word has length 67 [2022-11-16 10:57:23,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:57:23,688 INFO L495 AbstractCegarLoop]: Abstraction has 8256 states and 11314 transitions. [2022-11-16 10:57:23,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:23,688 INFO L276 IsEmpty]: Start isEmpty. Operand 8256 states and 11314 transitions. [2022-11-16 10:57:23,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-16 10:57:23,697 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:57:23,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:57:23,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 10:57:23,698 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:57:23,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:57:23,699 INFO L85 PathProgramCache]: Analyzing trace with hash 822338575, now seen corresponding path program 1 times [2022-11-16 10:57:23,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:57:23,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144848797] [2022-11-16 10:57:23,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:57:23,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:57:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:57:24,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:57:24,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:57:24,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144848797] [2022-11-16 10:57:24,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144848797] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:57:24,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:57:24,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-16 10:57:24,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854449794] [2022-11-16 10:57:24,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:57:24,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 10:57:24,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:57:24,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 10:57:24,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-11-16 10:57:24,624 INFO L87 Difference]: Start difference. First operand 8256 states and 11314 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:33,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:57:33,549 INFO L93 Difference]: Finished difference Result 19563 states and 28245 transitions. [2022-11-16 10:57:33,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-16 10:57:33,550 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-11-16 10:57:33,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:57:33,575 INFO L225 Difference]: With dead ends: 19563 [2022-11-16 10:57:33,575 INFO L226 Difference]: Without dead ends: 19559 [2022-11-16 10:57:33,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=221, Invalid=771, Unknown=0, NotChecked=0, Total=992 [2022-11-16 10:57:33,579 INFO L413 NwaCegarLoop]: 2624 mSDtfsCounter, 20260 mSDsluCounter, 18801 mSDsCounter, 0 mSdLazyCounter, 2987 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20260 SdHoareTripleChecker+Valid, 21425 SdHoareTripleChecker+Invalid, 3009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-16 10:57:33,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20260 Valid, 21425 Invalid, 3009 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [22 Valid, 2987 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-16 10:57:33,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19559 states. [2022-11-16 10:57:34,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19559 to 8252. [2022-11-16 10:57:34,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8252 states, 8237 states have (on average 1.3730727206507223) internal successors, (11310), 8251 states have internal predecessors, (11310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:34,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8252 states to 8252 states and 11310 transitions. [2022-11-16 10:57:34,968 INFO L78 Accepts]: Start accepts. Automaton has 8252 states and 11310 transitions. Word has length 67 [2022-11-16 10:57:34,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:57:34,969 INFO L495 AbstractCegarLoop]: Abstraction has 8252 states and 11310 transitions. [2022-11-16 10:57:34,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:34,970 INFO L276 IsEmpty]: Start isEmpty. Operand 8252 states and 11310 transitions. [2022-11-16 10:57:34,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-16 10:57:34,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:57:34,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:57:34,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 10:57:34,980 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:57:34,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:57:34,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1877034391, now seen corresponding path program 1 times [2022-11-16 10:57:34,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:57:34,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616741716] [2022-11-16 10:57:34,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:57:34,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:57:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:57:35,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:57:35,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:57:35,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616741716] [2022-11-16 10:57:35,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616741716] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:57:35,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:57:35,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 10:57:35,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687942847] [2022-11-16 10:57:35,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:57:35,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 10:57:35,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:57:35,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 10:57:35,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-16 10:57:35,938 INFO L87 Difference]: Start difference. First operand 8252 states and 11310 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:45,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:57:45,677 INFO L93 Difference]: Finished difference Result 18882 states and 27159 transitions. [2022-11-16 10:57:45,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 10:57:45,678 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-11-16 10:57:45,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:57:45,711 INFO L225 Difference]: With dead ends: 18882 [2022-11-16 10:57:45,712 INFO L226 Difference]: Without dead ends: 18871 [2022-11-16 10:57:45,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=152, Invalid=448, Unknown=0, NotChecked=0, Total=600 [2022-11-16 10:57:45,717 INFO L413 NwaCegarLoop]: 2617 mSDtfsCounter, 16814 mSDsluCounter, 12422 mSDsCounter, 0 mSdLazyCounter, 3677 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16814 SdHoareTripleChecker+Valid, 15039 SdHoareTripleChecker+Invalid, 3751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 3677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-16 10:57:45,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16814 Valid, 15039 Invalid, 3751 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [74 Valid, 3677 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-16 10:57:45,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18871 states. [2022-11-16 10:57:47,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18871 to 8246. [2022-11-16 10:57:47,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8246 states, 8231 states have (on average 1.3732231806584863) internal successors, (11303), 8245 states have internal predecessors, (11303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:47,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8246 states to 8246 states and 11303 transitions. [2022-11-16 10:57:47,431 INFO L78 Accepts]: Start accepts. Automaton has 8246 states and 11303 transitions. Word has length 68 [2022-11-16 10:57:47,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:57:47,438 INFO L495 AbstractCegarLoop]: Abstraction has 8246 states and 11303 transitions. [2022-11-16 10:57:47,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:47,439 INFO L276 IsEmpty]: Start isEmpty. Operand 8246 states and 11303 transitions. [2022-11-16 10:57:47,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-16 10:57:47,447 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:57:47,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:57:47,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 10:57:47,448 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:57:47,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:57:47,450 INFO L85 PathProgramCache]: Analyzing trace with hash 702049040, now seen corresponding path program 1 times [2022-11-16 10:57:47,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:57:47,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220245688] [2022-11-16 10:57:47,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:57:47,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:57:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:57:47,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:57:47,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:57:47,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220245688] [2022-11-16 10:57:47,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220245688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:57:47,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:57:47,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 10:57:47,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571213024] [2022-11-16 10:57:47,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:57:47,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 10:57:47,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:57:47,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 10:57:47,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-16 10:57:47,856 INFO L87 Difference]: Start difference. First operand 8246 states and 11303 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:55,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:57:55,250 INFO L93 Difference]: Finished difference Result 13438 states and 19014 transitions. [2022-11-16 10:57:55,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 10:57:55,250 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-11-16 10:57:55,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:57:55,267 INFO L225 Difference]: With dead ends: 13438 [2022-11-16 10:57:55,267 INFO L226 Difference]: Without dead ends: 11857 [2022-11-16 10:57:55,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-11-16 10:57:55,271 INFO L413 NwaCegarLoop]: 1385 mSDtfsCounter, 6807 mSDsluCounter, 3221 mSDsCounter, 0 mSdLazyCounter, 4310 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6807 SdHoareTripleChecker+Valid, 4606 SdHoareTripleChecker+Invalid, 4325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 4310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-16 10:57:55,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6807 Valid, 4606 Invalid, 4325 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 4310 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-16 10:57:55,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11857 states. [2022-11-16 10:57:56,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11857 to 8246. [2022-11-16 10:57:56,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8246 states, 8231 states have (on average 1.373101688737699) internal successors, (11302), 8245 states have internal predecessors, (11302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:56,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8246 states to 8246 states and 11302 transitions. [2022-11-16 10:57:56,869 INFO L78 Accepts]: Start accepts. Automaton has 8246 states and 11302 transitions. Word has length 68 [2022-11-16 10:57:56,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:57:56,869 INFO L495 AbstractCegarLoop]: Abstraction has 8246 states and 11302 transitions. [2022-11-16 10:57:56,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:57:56,870 INFO L276 IsEmpty]: Start isEmpty. Operand 8246 states and 11302 transitions. [2022-11-16 10:57:56,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-16 10:57:56,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:57:56,878 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:57:56,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 10:57:56,878 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:57:56,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:57:56,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1625518918, now seen corresponding path program 1 times [2022-11-16 10:57:56,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:57:56,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534576811] [2022-11-16 10:57:56,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:57:56,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:57:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:57:57,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:57:57,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:57:57,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534576811] [2022-11-16 10:57:57,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534576811] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:57:57,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:57:57,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 10:57:57,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995261024] [2022-11-16 10:57:57,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:57:57,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 10:57:57,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:57:57,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 10:57:57,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 10:57:57,278 INFO L87 Difference]: Start difference. First operand 8246 states and 11302 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:06,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:58:06,953 INFO L93 Difference]: Finished difference Result 15114 states and 21395 transitions. [2022-11-16 10:58:06,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 10:58:06,953 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-11-16 10:58:06,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:58:06,971 INFO L225 Difference]: With dead ends: 15114 [2022-11-16 10:58:06,971 INFO L226 Difference]: Without dead ends: 13797 [2022-11-16 10:58:06,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 10:58:06,975 INFO L413 NwaCegarLoop]: 1482 mSDtfsCounter, 10524 mSDsluCounter, 4627 mSDsCounter, 0 mSdLazyCounter, 6023 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10524 SdHoareTripleChecker+Valid, 6109 SdHoareTripleChecker+Invalid, 6088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 6023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-16 10:58:06,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10524 Valid, 6109 Invalid, 6088 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [65 Valid, 6023 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-16 10:58:06,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13797 states. [2022-11-16 10:58:08,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13797 to 8246. [2022-11-16 10:58:08,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8246 states, 8231 states have (on average 1.3729801968169117) internal successors, (11301), 8245 states have internal predecessors, (11301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:08,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8246 states to 8246 states and 11301 transitions. [2022-11-16 10:58:08,692 INFO L78 Accepts]: Start accepts. Automaton has 8246 states and 11301 transitions. Word has length 68 [2022-11-16 10:58:08,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:58:08,692 INFO L495 AbstractCegarLoop]: Abstraction has 8246 states and 11301 transitions. [2022-11-16 10:58:08,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:08,693 INFO L276 IsEmpty]: Start isEmpty. Operand 8246 states and 11301 transitions. [2022-11-16 10:58:08,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-16 10:58:08,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:58:08,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:58:08,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 10:58:08,699 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:58:08,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:08,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1023482213, now seen corresponding path program 1 times [2022-11-16 10:58:08,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:08,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570669754] [2022-11-16 10:58:08,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:08,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:09,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:58:09,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:58:09,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570669754] [2022-11-16 10:58:09,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570669754] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:58:09,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:58:09,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 10:58:09,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805926275] [2022-11-16 10:58:09,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:58:09,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 10:58:09,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:58:09,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 10:58:09,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-16 10:58:09,217 INFO L87 Difference]: Start difference. First operand 8246 states and 11301 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:19,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:58:19,929 INFO L93 Difference]: Finished difference Result 13472 states and 18894 transitions. [2022-11-16 10:58:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 10:58:19,930 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-11-16 10:58:19,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:58:19,945 INFO L225 Difference]: With dead ends: 13472 [2022-11-16 10:58:19,945 INFO L226 Difference]: Without dead ends: 12169 [2022-11-16 10:58:19,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-11-16 10:58:19,950 INFO L413 NwaCegarLoop]: 1464 mSDtfsCounter, 9985 mSDsluCounter, 6611 mSDsCounter, 0 mSdLazyCounter, 7601 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9985 SdHoareTripleChecker+Valid, 8075 SdHoareTripleChecker+Invalid, 7686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 7601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-16 10:58:19,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9985 Valid, 8075 Invalid, 7686 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [85 Valid, 7601 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-16 10:58:19,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12169 states. [2022-11-16 10:58:21,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12169 to 8254. [2022-11-16 10:58:21,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8254 states, 8239 states have (on average 1.3731035319820366) internal successors, (11313), 8253 states have internal predecessors, (11313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:21,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8254 states to 8254 states and 11313 transitions. [2022-11-16 10:58:21,885 INFO L78 Accepts]: Start accepts. Automaton has 8254 states and 11313 transitions. Word has length 68 [2022-11-16 10:58:21,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:58:21,886 INFO L495 AbstractCegarLoop]: Abstraction has 8254 states and 11313 transitions. [2022-11-16 10:58:21,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:21,886 INFO L276 IsEmpty]: Start isEmpty. Operand 8254 states and 11313 transitions. [2022-11-16 10:58:21,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-16 10:58:21,891 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:58:21,892 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:58:21,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 10:58:21,892 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:58:21,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:21,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1561635764, now seen corresponding path program 1 times [2022-11-16 10:58:21,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:21,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555497372] [2022-11-16 10:58:21,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:21,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:22,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:58:22,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:58:22,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555497372] [2022-11-16 10:58:22,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555497372] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:58:22,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:58:22,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 10:58:22,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223181567] [2022-11-16 10:58:22,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:58:22,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 10:58:22,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:58:22,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 10:58:22,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-16 10:58:22,359 INFO L87 Difference]: Start difference. First operand 8254 states and 11313 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:34,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:58:34,484 INFO L93 Difference]: Finished difference Result 15097 states and 21102 transitions. [2022-11-16 10:58:34,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 10:58:34,485 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-11-16 10:58:34,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:58:34,502 INFO L225 Difference]: With dead ends: 15097 [2022-11-16 10:58:34,503 INFO L226 Difference]: Without dead ends: 13780 [2022-11-16 10:58:34,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=184, Invalid=518, Unknown=0, NotChecked=0, Total=702 [2022-11-16 10:58:34,507 INFO L413 NwaCegarLoop]: 1519 mSDtfsCounter, 10468 mSDsluCounter, 6766 mSDsCounter, 0 mSdLazyCounter, 8522 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10468 SdHoareTripleChecker+Valid, 8285 SdHoareTripleChecker+Invalid, 8649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 8522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-16 10:58:34,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10468 Valid, 8285 Invalid, 8649 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [127 Valid, 8522 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-11-16 10:58:34,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13780 states. [2022-11-16 10:58:36,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13780 to 8254. [2022-11-16 10:58:36,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8254 states, 8239 states have (on average 1.372982158028887) internal successors, (11312), 8253 states have internal predecessors, (11312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:36,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8254 states to 8254 states and 11312 transitions. [2022-11-16 10:58:36,443 INFO L78 Accepts]: Start accepts. Automaton has 8254 states and 11312 transitions. Word has length 68 [2022-11-16 10:58:36,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:58:36,443 INFO L495 AbstractCegarLoop]: Abstraction has 8254 states and 11312 transitions. [2022-11-16 10:58:36,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:36,444 INFO L276 IsEmpty]: Start isEmpty. Operand 8254 states and 11312 transitions. [2022-11-16 10:58:36,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-16 10:58:36,449 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:58:36,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:58:36,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 10:58:36,450 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:58:36,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:36,450 INFO L85 PathProgramCache]: Analyzing trace with hash -53728106, now seen corresponding path program 1 times [2022-11-16 10:58:36,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:36,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204592044] [2022-11-16 10:58:36,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:36,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:58:37,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:58:37,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204592044] [2022-11-16 10:58:37,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204592044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:58:37,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:58:37,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 10:58:37,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540658477] [2022-11-16 10:58:37,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:58:37,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 10:58:37,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:58:37,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 10:58:37,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-16 10:58:37,262 INFO L87 Difference]: Start difference. First operand 8254 states and 11312 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:48,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:58:48,149 INFO L93 Difference]: Finished difference Result 17499 states and 25224 transitions. [2022-11-16 10:58:48,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 10:58:48,150 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-11-16 10:58:48,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:58:48,171 INFO L225 Difference]: With dead ends: 17499 [2022-11-16 10:58:48,171 INFO L226 Difference]: Without dead ends: 17491 [2022-11-16 10:58:48,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=152, Invalid=448, Unknown=0, NotChecked=0, Total=600 [2022-11-16 10:58:48,175 INFO L413 NwaCegarLoop]: 2816 mSDtfsCounter, 13208 mSDsluCounter, 14063 mSDsCounter, 0 mSdLazyCounter, 2457 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13208 SdHoareTripleChecker+Valid, 16879 SdHoareTripleChecker+Invalid, 2491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-16 10:58:48,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13208 Valid, 16879 Invalid, 2491 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [34 Valid, 2457 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-16 10:58:48,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17491 states. [2022-11-16 10:58:50,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17491 to 8246. [2022-11-16 10:58:50,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8246 states, 8232 states have (on average 1.3730563654033041) internal successors, (11303), 8245 states have internal predecessors, (11303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:50,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8246 states to 8246 states and 11303 transitions. [2022-11-16 10:58:50,281 INFO L78 Accepts]: Start accepts. Automaton has 8246 states and 11303 transitions. Word has length 68 [2022-11-16 10:58:50,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:58:50,281 INFO L495 AbstractCegarLoop]: Abstraction has 8246 states and 11303 transitions. [2022-11-16 10:58:50,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:50,282 INFO L276 IsEmpty]: Start isEmpty. Operand 8246 states and 11303 transitions. [2022-11-16 10:58:50,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-16 10:58:50,288 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:58:50,288 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:58:50,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 10:58:50,289 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:58:50,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:50,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1836776824, now seen corresponding path program 1 times [2022-11-16 10:58:50,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:50,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68892451] [2022-11-16 10:58:50,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:50,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:50,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:58:50,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:58:50,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68892451] [2022-11-16 10:58:50,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68892451] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:58:50,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:58:50,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 10:58:50,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686191639] [2022-11-16 10:58:50,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:58:50,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:58:50,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:58:50,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:58:50,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:58:50,377 INFO L87 Difference]: Start difference. First operand 8246 states and 11303 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:52,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:58:52,998 INFO L93 Difference]: Finished difference Result 12104 states and 16869 transitions. [2022-11-16 10:58:52,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:58:52,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-11-16 10:58:52,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:58:53,008 INFO L225 Difference]: With dead ends: 12104 [2022-11-16 10:58:53,008 INFO L226 Difference]: Without dead ends: 7429 [2022-11-16 10:58:53,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:58:53,014 INFO L413 NwaCegarLoop]: 2030 mSDtfsCounter, 1981 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1981 SdHoareTripleChecker+Valid, 2702 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 10:58:53,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1981 Valid, 2702 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 10:58:53,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7429 states. [2022-11-16 10:58:55,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7429 to 7411. [2022-11-16 10:58:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7411 states, 7401 states have (on average 1.3879205512768544) internal successors, (10272), 7410 states have internal predecessors, (10272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:55,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7411 states to 7411 states and 10272 transitions. [2022-11-16 10:58:55,371 INFO L78 Accepts]: Start accepts. Automaton has 7411 states and 10272 transitions. Word has length 68 [2022-11-16 10:58:55,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:58:55,371 INFO L495 AbstractCegarLoop]: Abstraction has 7411 states and 10272 transitions. [2022-11-16 10:58:55,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:55,372 INFO L276 IsEmpty]: Start isEmpty. Operand 7411 states and 10272 transitions. [2022-11-16 10:58:55,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-16 10:58:55,376 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:58:55,376 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:58:55,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 10:58:55,377 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:58:55,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:55,377 INFO L85 PathProgramCache]: Analyzing trace with hash 837543786, now seen corresponding path program 1 times [2022-11-16 10:58:55,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:55,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460747897] [2022-11-16 10:58:55,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:55,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:55,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:58:55,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:58:55,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460747897] [2022-11-16 10:58:55,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460747897] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:58:55,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:58:55,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 10:58:55,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591599061] [2022-11-16 10:58:55,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:58:55,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:58:55,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:58:55,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:58:55,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:58:55,471 INFO L87 Difference]: Start difference. First operand 7411 states and 10272 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:58,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:58:58,573 INFO L93 Difference]: Finished difference Result 11894 states and 16769 transitions. [2022-11-16 10:58:58,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:58:58,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-11-16 10:58:58,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:58:58,584 INFO L225 Difference]: With dead ends: 11894 [2022-11-16 10:58:58,584 INFO L226 Difference]: Without dead ends: 7108 [2022-11-16 10:58:58,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:58:58,589 INFO L413 NwaCegarLoop]: 1622 mSDtfsCounter, 1600 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1600 SdHoareTripleChecker+Valid, 2136 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 10:58:58,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1600 Valid, 2136 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 10:58:58,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7108 states. [2022-11-16 10:59:01,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7108 to 7100. [2022-11-16 10:59:01,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7100 states, 7093 states have (on average 1.4047652615254476) internal successors, (9964), 7099 states have internal predecessors, (9964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:59:01,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7100 states to 7100 states and 9964 transitions. [2022-11-16 10:59:01,373 INFO L78 Accepts]: Start accepts. Automaton has 7100 states and 9964 transitions. Word has length 69 [2022-11-16 10:59:01,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:59:01,374 INFO L495 AbstractCegarLoop]: Abstraction has 7100 states and 9964 transitions. [2022-11-16 10:59:01,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:59:01,374 INFO L276 IsEmpty]: Start isEmpty. Operand 7100 states and 9964 transitions. [2022-11-16 10:59:01,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-16 10:59:01,378 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:59:01,378 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:59:01,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 10:59:01,378 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:59:01,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:01,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1076361939, now seen corresponding path program 1 times [2022-11-16 10:59:01,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:01,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817731436] [2022-11-16 10:59:01,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:01,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:01,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:59:01,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:59:01,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817731436] [2022-11-16 10:59:01,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817731436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:59:01,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:59:01,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 10:59:01,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486624681] [2022-11-16 10:59:01,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:59:01,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:59:01,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:59:01,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:59:01,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:01,480 INFO L87 Difference]: Start difference. First operand 7100 states and 9964 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:59:05,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:59:05,698 INFO L93 Difference]: Finished difference Result 11518 states and 16813 transitions. [2022-11-16 10:59:05,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:59:05,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-11-16 10:59:05,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:59:05,708 INFO L225 Difference]: With dead ends: 11518 [2022-11-16 10:59:05,708 INFO L226 Difference]: Without dead ends: 8115 [2022-11-16 10:59:05,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:05,712 INFO L413 NwaCegarLoop]: 1697 mSDtfsCounter, 996 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 996 SdHoareTripleChecker+Valid, 2443 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 10:59:05,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [996 Valid, 2443 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 10:59:05,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8115 states. [2022-11-16 10:59:08,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8115 to 6628. [2022-11-16 10:59:08,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6628 states, 6621 states have (on average 1.4295423652016312) internal successors, (9465), 6627 states have internal predecessors, (9465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:59:08,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6628 states to 6628 states and 9465 transitions. [2022-11-16 10:59:08,592 INFO L78 Accepts]: Start accepts. Automaton has 6628 states and 9465 transitions. Word has length 69 [2022-11-16 10:59:08,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:59:08,592 INFO L495 AbstractCegarLoop]: Abstraction has 6628 states and 9465 transitions. [2022-11-16 10:59:08,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:59:08,593 INFO L276 IsEmpty]: Start isEmpty. Operand 6628 states and 9465 transitions. [2022-11-16 10:59:08,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-16 10:59:08,596 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:59:08,596 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:59:08,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-16 10:59:08,596 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:59:08,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:08,597 INFO L85 PathProgramCache]: Analyzing trace with hash 208509551, now seen corresponding path program 1 times [2022-11-16 10:59:08,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:08,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663731074] [2022-11-16 10:59:08,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:08,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:08,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:59:08,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:59:08,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663731074] [2022-11-16 10:59:08,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663731074] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:59:08,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:59:08,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 10:59:08,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693876014] [2022-11-16 10:59:08,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:59:08,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:59:08,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:59:08,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:59:08,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:08,691 INFO L87 Difference]: Start difference. First operand 6628 states and 9465 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:59:13,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:59:13,923 INFO L93 Difference]: Finished difference Result 14655 states and 21438 transitions. [2022-11-16 10:59:13,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:59:13,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-11-16 10:59:13,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:59:13,936 INFO L225 Difference]: With dead ends: 14655 [2022-11-16 10:59:13,937 INFO L226 Difference]: Without dead ends: 10584 [2022-11-16 10:59:13,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:13,942 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1031 mSDsluCounter, 1306 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1031 SdHoareTripleChecker+Valid, 3060 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 10:59:13,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1031 Valid, 3060 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 10:59:13,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10584 states. [2022-11-16 10:59:18,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10584 to 10576. [2022-11-16 10:59:19,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10576 states, 10569 states have (on average 1.4366543665436655) internal successors, (15184), 10575 states have internal predecessors, (15184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:59:19,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10576 states to 10576 states and 15184 transitions. [2022-11-16 10:59:19,018 INFO L78 Accepts]: Start accepts. Automaton has 10576 states and 15184 transitions. Word has length 69 [2022-11-16 10:59:19,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:59:19,018 INFO L495 AbstractCegarLoop]: Abstraction has 10576 states and 15184 transitions. [2022-11-16 10:59:19,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:59:19,019 INFO L276 IsEmpty]: Start isEmpty. Operand 10576 states and 15184 transitions. [2022-11-16 10:59:19,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-16 10:59:19,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:59:19,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:59:19,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-16 10:59:19,024 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:59:19,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:19,025 INFO L85 PathProgramCache]: Analyzing trace with hash 900965329, now seen corresponding path program 1 times [2022-11-16 10:59:19,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:19,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116357135] [2022-11-16 10:59:19,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:19,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:19,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:59:19,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:59:19,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116357135] [2022-11-16 10:59:19,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116357135] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:59:19,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:59:19,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 10:59:19,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377459571] [2022-11-16 10:59:19,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:59:19,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:59:19,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:59:19,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:59:19,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:19,120 INFO L87 Difference]: Start difference. First operand 10576 states and 15184 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:59:27,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:59:27,018 INFO L93 Difference]: Finished difference Result 20634 states and 30533 transitions. [2022-11-16 10:59:27,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:59:27,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-11-16 10:59:27,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:59:27,037 INFO L225 Difference]: With dead ends: 20634 [2022-11-16 10:59:27,037 INFO L226 Difference]: Without dead ends: 13784 [2022-11-16 10:59:27,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:27,043 INFO L413 NwaCegarLoop]: 1679 mSDtfsCounter, 996 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 996 SdHoareTripleChecker+Valid, 2405 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 10:59:27,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [996 Valid, 2405 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 10:59:27,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13784 states. [2022-11-16 10:59:32,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13784 to 11353. [2022-11-16 10:59:32,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11353 states, 11346 states have (on average 1.4472060638110347) internal successors, (16420), 11352 states have internal predecessors, (16420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:59:32,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11353 states to 11353 states and 16420 transitions. [2022-11-16 10:59:32,919 INFO L78 Accepts]: Start accepts. Automaton has 11353 states and 16420 transitions. Word has length 69 [2022-11-16 10:59:32,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:59:32,920 INFO L495 AbstractCegarLoop]: Abstraction has 11353 states and 16420 transitions. [2022-11-16 10:59:32,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:59:32,920 INFO L276 IsEmpty]: Start isEmpty. Operand 11353 states and 16420 transitions. [2022-11-16 10:59:32,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-16 10:59:32,923 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:59:32,924 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:59:32,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-16 10:59:32,924 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:59:32,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:32,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1908328951, now seen corresponding path program 1 times [2022-11-16 10:59:32,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:32,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355634946] [2022-11-16 10:59:32,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:32,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:33,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:59:33,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:59:33,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355634946] [2022-11-16 10:59:33,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355634946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:59:33,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:59:33,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 10:59:33,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325074763] [2022-11-16 10:59:33,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:59:33,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:59:33,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:59:33,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:59:33,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:33,018 INFO L87 Difference]: Start difference. First operand 11353 states and 16420 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:59:43,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:59:43,657 INFO L93 Difference]: Finished difference Result 27642 states and 40600 transitions. [2022-11-16 10:59:43,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:59:43,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-11-16 10:59:43,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:59:43,683 INFO L225 Difference]: With dead ends: 27642 [2022-11-16 10:59:43,683 INFO L226 Difference]: Without dead ends: 18671 [2022-11-16 10:59:43,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:43,693 INFO L413 NwaCegarLoop]: 1811 mSDtfsCounter, 912 mSDsluCounter, 1241 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 3052 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 10:59:43,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 3052 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 10:59:43,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18671 states. [2022-11-16 10:59:54,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18671 to 18663. [2022-11-16 10:59:54,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18663 states, 18656 states have (on average 1.4409841337907376) internal successors, (26883), 18662 states have internal predecessors, (26883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:59:54,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18663 states to 18663 states and 26883 transitions. [2022-11-16 10:59:54,561 INFO L78 Accepts]: Start accepts. Automaton has 18663 states and 26883 transitions. Word has length 69 [2022-11-16 10:59:54,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:59:54,561 INFO L495 AbstractCegarLoop]: Abstraction has 18663 states and 26883 transitions. [2022-11-16 10:59:54,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:59:54,562 INFO L276 IsEmpty]: Start isEmpty. Operand 18663 states and 26883 transitions. [2022-11-16 10:59:54,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-16 10:59:54,566 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:59:54,566 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:59:54,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-16 10:59:54,567 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 10:59:54,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:54,567 INFO L85 PathProgramCache]: Analyzing trace with hash -736488177, now seen corresponding path program 1 times [2022-11-16 10:59:54,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:54,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878464631] [2022-11-16 10:59:54,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:54,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:54,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:59:54,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:59:54,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878464631] [2022-11-16 10:59:54,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878464631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:59:54,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:59:54,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 10:59:54,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107108907] [2022-11-16 10:59:54,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:59:54,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:59:54,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:59:54,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:59:54,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:54,650 INFO L87 Difference]: Start difference. First operand 18663 states and 26883 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:00:08,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:00:08,002 INFO L93 Difference]: Finished difference Result 38164 states and 55616 transitions. [2022-11-16 11:00:08,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:00:08,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-11-16 11:00:08,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:00:08,034 INFO L225 Difference]: With dead ends: 38164 [2022-11-16 11:00:08,034 INFO L226 Difference]: Without dead ends: 21082 [2022-11-16 11:00:08,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:00:08,054 INFO L413 NwaCegarLoop]: 1525 mSDtfsCounter, 1448 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 2134 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:00:08,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 2134 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:00:08,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21082 states. [2022-11-16 11:00:18,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21082 to 16897. [2022-11-16 11:00:18,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16897 states, 16890 states have (on average 1.4553582001184133) internal successors, (24581), 16896 states have internal predecessors, (24581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:00:18,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16897 states to 16897 states and 24581 transitions. [2022-11-16 11:00:18,080 INFO L78 Accepts]: Start accepts. Automaton has 16897 states and 24581 transitions. Word has length 70 [2022-11-16 11:00:18,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:00:18,080 INFO L495 AbstractCegarLoop]: Abstraction has 16897 states and 24581 transitions. [2022-11-16 11:00:18,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:00:18,080 INFO L276 IsEmpty]: Start isEmpty. Operand 16897 states and 24581 transitions. [2022-11-16 11:00:18,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-16 11:00:18,083 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:00:18,083 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:00:18,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-16 11:00:18,084 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 11:00:18,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:00:18,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1726166193, now seen corresponding path program 1 times [2022-11-16 11:00:18,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:00:18,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465013893] [2022-11-16 11:00:18,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:00:18,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:00:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:18,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:00:18,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:00:18,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465013893] [2022-11-16 11:00:18,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465013893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:00:18,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:00:18,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:00:18,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543994677] [2022-11-16 11:00:18,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:00:18,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:00:18,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:00:18,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:00:18,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:00:18,160 INFO L87 Difference]: Start difference. First operand 16897 states and 24581 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:00:30,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:00:30,632 INFO L93 Difference]: Finished difference Result 35512 states and 52089 transitions. [2022-11-16 11:00:30,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:00:30,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-11-16 11:00:30,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:00:30,659 INFO L225 Difference]: With dead ends: 35512 [2022-11-16 11:00:30,660 INFO L226 Difference]: Without dead ends: 19479 [2022-11-16 11:00:30,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:00:30,671 INFO L413 NwaCegarLoop]: 1444 mSDtfsCounter, 1202 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1202 SdHoareTripleChecker+Valid, 1982 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:00:30,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1202 Valid, 1982 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:00:30,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19479 states. [2022-11-16 11:00:40,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19479 to 15579. [2022-11-16 11:00:40,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15579 states, 15572 states have (on average 1.4644875417415875) internal successors, (22805), 15578 states have internal predecessors, (22805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:00:40,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15579 states to 15579 states and 22805 transitions. [2022-11-16 11:00:40,532 INFO L78 Accepts]: Start accepts. Automaton has 15579 states and 22805 transitions. Word has length 70 [2022-11-16 11:00:40,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:00:40,532 INFO L495 AbstractCegarLoop]: Abstraction has 15579 states and 22805 transitions. [2022-11-16 11:00:40,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:00:40,532 INFO L276 IsEmpty]: Start isEmpty. Operand 15579 states and 22805 transitions. [2022-11-16 11:00:40,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-16 11:00:40,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:00:40,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:00:40,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-16 11:00:40,535 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 11:00:40,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:00:40,536 INFO L85 PathProgramCache]: Analyzing trace with hash 246166670, now seen corresponding path program 1 times [2022-11-16 11:00:40,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:00:40,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643211290] [2022-11-16 11:00:40,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:00:40,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:00:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:00:40,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:00:40,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:00:40,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643211290] [2022-11-16 11:00:40,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643211290] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:00:40,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:00:40,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:00:40,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286126581] [2022-11-16 11:00:40,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:00:40,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:00:40,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:00:40,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:00:40,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:00:40,942 INFO L87 Difference]: Start difference. First operand 15579 states and 22805 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:01:13,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:01:13,648 INFO L93 Difference]: Finished difference Result 42857 states and 62714 transitions. [2022-11-16 11:01:13,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 11:01:13,649 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-11-16 11:01:13,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:01:13,714 INFO L225 Difference]: With dead ends: 42857 [2022-11-16 11:01:13,714 INFO L226 Difference]: Without dead ends: 42752 [2022-11-16 11:01:13,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2022-11-16 11:01:13,722 INFO L413 NwaCegarLoop]: 1020 mSDtfsCounter, 5124 mSDsluCounter, 3599 mSDsCounter, 0 mSdLazyCounter, 4107 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5124 SdHoareTripleChecker+Valid, 4619 SdHoareTripleChecker+Invalid, 4157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 4107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:01:13,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5124 Valid, 4619 Invalid, 4157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 4107 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-16 11:01:13,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42752 states. [2022-11-16 11:01:23,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42752 to 15579. [2022-11-16 11:01:23,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15579 states, 15572 states have (on average 1.4644233239147186) internal successors, (22804), 15578 states have internal predecessors, (22804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:01:23,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15579 states to 15579 states and 22804 transitions. [2022-11-16 11:01:23,627 INFO L78 Accepts]: Start accepts. Automaton has 15579 states and 22804 transitions. Word has length 71 [2022-11-16 11:01:23,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:01:23,628 INFO L495 AbstractCegarLoop]: Abstraction has 15579 states and 22804 transitions. [2022-11-16 11:01:23,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:01:23,628 INFO L276 IsEmpty]: Start isEmpty. Operand 15579 states and 22804 transitions. [2022-11-16 11:01:23,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-16 11:01:23,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:01:23,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:23,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-16 11:01:23,631 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 11:01:23,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:23,631 INFO L85 PathProgramCache]: Analyzing trace with hash -168991978, now seen corresponding path program 1 times [2022-11-16 11:01:23,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:23,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941596454] [2022-11-16 11:01:23,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:23,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:24,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:01:24,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:01:24,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941596454] [2022-11-16 11:01:24,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941596454] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:01:24,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:01:24,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:01:24,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249472385] [2022-11-16 11:01:24,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:01:24,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:01:24,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:01:24,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:01:24,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:01:24,021 INFO L87 Difference]: Start difference. First operand 15579 states and 22804 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:01:40,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:01:40,054 INFO L93 Difference]: Finished difference Result 20001 states and 29051 transitions. [2022-11-16 11:01:40,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 11:01:40,055 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-11-16 11:01:40,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:01:40,081 INFO L225 Difference]: With dead ends: 20001 [2022-11-16 11:01:40,081 INFO L226 Difference]: Without dead ends: 19933 [2022-11-16 11:01:40,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-16 11:01:40,085 INFO L413 NwaCegarLoop]: 824 mSDtfsCounter, 7343 mSDsluCounter, 2630 mSDsCounter, 0 mSdLazyCounter, 2847 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7343 SdHoareTripleChecker+Valid, 3454 SdHoareTripleChecker+Invalid, 2866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:01:40,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7343 Valid, 3454 Invalid, 2866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2847 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-16 11:01:40,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19933 states. [2022-11-16 11:01:49,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19933 to 15579. [2022-11-16 11:01:49,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15579 states, 15572 states have (on average 1.46435910608785) internal successors, (22803), 15578 states have internal predecessors, (22803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:01:49,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15579 states to 15579 states and 22803 transitions. [2022-11-16 11:01:49,718 INFO L78 Accepts]: Start accepts. Automaton has 15579 states and 22803 transitions. Word has length 71 [2022-11-16 11:01:49,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:01:49,718 INFO L495 AbstractCegarLoop]: Abstraction has 15579 states and 22803 transitions. [2022-11-16 11:01:49,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:01:49,719 INFO L276 IsEmpty]: Start isEmpty. Operand 15579 states and 22803 transitions. [2022-11-16 11:01:49,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-16 11:01:49,721 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:01:49,721 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:49,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-16 11:01:49,722 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 11:01:49,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:49,722 INFO L85 PathProgramCache]: Analyzing trace with hash -331643833, now seen corresponding path program 1 times [2022-11-16 11:01:49,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:49,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713939086] [2022-11-16 11:01:49,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:49,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:01:50,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:01:50,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713939086] [2022-11-16 11:01:50,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713939086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:01:50,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:01:50,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:01:50,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819474648] [2022-11-16 11:01:50,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:01:50,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:01:50,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:01:50,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:01:50,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:01:50,088 INFO L87 Difference]: Start difference. First operand 15579 states and 22803 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:02:06,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:02:06,445 INFO L93 Difference]: Finished difference Result 20066 states and 29114 transitions. [2022-11-16 11:02:06,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 11:02:06,446 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-11-16 11:02:06,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:02:06,470 INFO L225 Difference]: With dead ends: 20066 [2022-11-16 11:02:06,471 INFO L226 Difference]: Without dead ends: 19988 [2022-11-16 11:02:06,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-16 11:02:06,475 INFO L413 NwaCegarLoop]: 851 mSDtfsCounter, 7018 mSDsluCounter, 2686 mSDsCounter, 0 mSdLazyCounter, 3142 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7018 SdHoareTripleChecker+Valid, 3537 SdHoareTripleChecker+Invalid, 3168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 3142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:02:06,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7018 Valid, 3537 Invalid, 3168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 3142 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-16 11:02:06,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19988 states. [2022-11-16 11:02:16,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19988 to 15579. [2022-11-16 11:02:16,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15579 states, 15572 states have (on average 1.4642948882609812) internal successors, (22802), 15578 states have internal predecessors, (22802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:02:16,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15579 states to 15579 states and 22802 transitions. [2022-11-16 11:02:16,143 INFO L78 Accepts]: Start accepts. Automaton has 15579 states and 22802 transitions. Word has length 71 [2022-11-16 11:02:16,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:02:16,144 INFO L495 AbstractCegarLoop]: Abstraction has 15579 states and 22802 transitions. [2022-11-16 11:02:16,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:02:16,144 INFO L276 IsEmpty]: Start isEmpty. Operand 15579 states and 22802 transitions. [2022-11-16 11:02:16,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-16 11:02:16,146 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:02:16,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:02:16,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-16 11:02:16,146 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 11:02:16,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:16,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1936211158, now seen corresponding path program 1 times [2022-11-16 11:02:16,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:16,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215434312] [2022-11-16 11:02:16,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:16,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:16,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:02:16,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:02:16,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215434312] [2022-11-16 11:02:16,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215434312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:02:16,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:02:16,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:02:16,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336311911] [2022-11-16 11:02:16,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:02:16,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:02:16,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:02:16,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:02:16,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:02:16,518 INFO L87 Difference]: Start difference. First operand 15579 states and 22802 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:02:33,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:02:33,211 INFO L93 Difference]: Finished difference Result 20001 states and 29049 transitions. [2022-11-16 11:02:33,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 11:02:33,212 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-11-16 11:02:33,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:02:33,238 INFO L225 Difference]: With dead ends: 20001 [2022-11-16 11:02:33,238 INFO L226 Difference]: Without dead ends: 19933 [2022-11-16 11:02:33,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-16 11:02:33,243 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 7279 mSDsluCounter, 2666 mSDsCounter, 0 mSdLazyCounter, 2863 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7279 SdHoareTripleChecker+Valid, 3502 SdHoareTripleChecker+Invalid, 2882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:02:33,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7279 Valid, 3502 Invalid, 2882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2863 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-16 11:02:33,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19933 states. [2022-11-16 11:02:43,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19933 to 15574. [2022-11-16 11:02:43,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15574 states, 15567 states have (on average 1.464251300828676) internal successors, (22794), 15573 states have internal predecessors, (22794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:02:43,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15574 states to 15574 states and 22794 transitions. [2022-11-16 11:02:43,417 INFO L78 Accepts]: Start accepts. Automaton has 15574 states and 22794 transitions. Word has length 71 [2022-11-16 11:02:43,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:02:43,417 INFO L495 AbstractCegarLoop]: Abstraction has 15574 states and 22794 transitions. [2022-11-16 11:02:43,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:02:43,417 INFO L276 IsEmpty]: Start isEmpty. Operand 15574 states and 22794 transitions. [2022-11-16 11:02:43,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-16 11:02:43,419 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:02:43,420 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:02:43,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-16 11:02:43,420 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 11:02:43,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:43,420 INFO L85 PathProgramCache]: Analyzing trace with hash 648906819, now seen corresponding path program 1 times [2022-11-16 11:02:43,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:43,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73097264] [2022-11-16 11:02:43,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:43,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:43,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:02:43,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:02:43,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73097264] [2022-11-16 11:02:43,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73097264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:02:43,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:02:43,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:02:43,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376819310] [2022-11-16 11:02:43,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:02:43,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:02:43,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:02:43,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:02:43,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:02:43,741 INFO L87 Difference]: Start difference. First operand 15574 states and 22794 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:03:00,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:03:00,968 INFO L93 Difference]: Finished difference Result 20061 states and 29104 transitions. [2022-11-16 11:03:00,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 11:03:00,969 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-11-16 11:03:00,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:03:00,997 INFO L225 Difference]: With dead ends: 20061 [2022-11-16 11:03:00,998 INFO L226 Difference]: Without dead ends: 19983 [2022-11-16 11:03:01,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 11:03:01,003 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 7282 mSDsluCounter, 2561 mSDsCounter, 0 mSdLazyCounter, 3050 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7282 SdHoareTripleChecker+Valid, 3368 SdHoareTripleChecker+Invalid, 3076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 3050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:03:01,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7282 Valid, 3368 Invalid, 3076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 3050 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-16 11:03:01,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19983 states. [2022-11-16 11:03:11,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19983 to 15571. [2022-11-16 11:03:11,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15571 states, 15564 states have (on average 1.4642765355949627) internal successors, (22790), 15570 states have internal predecessors, (22790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:03:11,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15571 states to 15571 states and 22790 transitions. [2022-11-16 11:03:11,268 INFO L78 Accepts]: Start accepts. Automaton has 15571 states and 22790 transitions. Word has length 71 [2022-11-16 11:03:11,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:03:11,268 INFO L495 AbstractCegarLoop]: Abstraction has 15571 states and 22790 transitions. [2022-11-16 11:03:11,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:03:11,269 INFO L276 IsEmpty]: Start isEmpty. Operand 15571 states and 22790 transitions. [2022-11-16 11:03:11,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-16 11:03:11,271 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:03:11,271 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:03:11,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-16 11:03:11,271 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 11:03:11,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:03:11,271 INFO L85 PathProgramCache]: Analyzing trace with hash -465375336, now seen corresponding path program 1 times [2022-11-16 11:03:11,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:03:11,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817334378] [2022-11-16 11:03:11,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:03:11,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:03:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:11,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:03:11,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:03:11,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817334378] [2022-11-16 11:03:11,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817334378] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:03:11,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:03:11,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:03:11,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790034405] [2022-11-16 11:03:11,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:03:11,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:03:11,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:03:11,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:03:11,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:03:11,593 INFO L87 Difference]: Start difference. First operand 15571 states and 22790 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:03:28,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:03:28,650 INFO L93 Difference]: Finished difference Result 19993 states and 29037 transitions. [2022-11-16 11:03:28,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 11:03:28,650 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-11-16 11:03:28,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:03:28,679 INFO L225 Difference]: With dead ends: 19993 [2022-11-16 11:03:28,679 INFO L226 Difference]: Without dead ends: 19925 [2022-11-16 11:03:28,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 11:03:28,684 INFO L413 NwaCegarLoop]: 913 mSDtfsCounter, 5287 mSDsluCounter, 2821 mSDsCounter, 0 mSdLazyCounter, 3013 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5287 SdHoareTripleChecker+Valid, 3734 SdHoareTripleChecker+Invalid, 3032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 3013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:03:28,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5287 Valid, 3734 Invalid, 3032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3013 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-16 11:03:28,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19925 states. [2022-11-16 11:03:39,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19925 to 15571. [2022-11-16 11:03:39,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15571 states, 15564 states have (on average 1.4642122847597019) internal successors, (22789), 15570 states have internal predecessors, (22789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:03:39,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15571 states to 15571 states and 22789 transitions. [2022-11-16 11:03:39,125 INFO L78 Accepts]: Start accepts. Automaton has 15571 states and 22789 transitions. Word has length 71 [2022-11-16 11:03:39,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:03:39,125 INFO L495 AbstractCegarLoop]: Abstraction has 15571 states and 22789 transitions. [2022-11-16 11:03:39,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:03:39,126 INFO L276 IsEmpty]: Start isEmpty. Operand 15571 states and 22789 transitions. [2022-11-16 11:03:39,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-16 11:03:39,128 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:03:39,128 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:03:39,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-16 11:03:39,128 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 11:03:39,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:03:39,129 INFO L85 PathProgramCache]: Analyzing trace with hash -150821804, now seen corresponding path program 1 times [2022-11-16 11:03:39,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:03:39,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931331399] [2022-11-16 11:03:39,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:03:39,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:03:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:39,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:03:39,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:03:39,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931331399] [2022-11-16 11:03:39,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931331399] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:03:39,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:03:39,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:03:39,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130174500] [2022-11-16 11:03:39,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:03:39,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:03:39,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:03:39,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:03:39,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:03:39,488 INFO L87 Difference]: Start difference. First operand 15571 states and 22789 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:15,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:04:15,132 INFO L93 Difference]: Finished difference Result 42844 states and 62690 transitions. [2022-11-16 11:04:15,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 11:04:15,133 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-11-16 11:04:15,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:04:15,199 INFO L225 Difference]: With dead ends: 42844 [2022-11-16 11:04:15,199 INFO L226 Difference]: Without dead ends: 42744 [2022-11-16 11:04:15,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2022-11-16 11:04:15,207 INFO L413 NwaCegarLoop]: 944 mSDtfsCounter, 5233 mSDsluCounter, 4006 mSDsCounter, 0 mSdLazyCounter, 4359 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5233 SdHoareTripleChecker+Valid, 4950 SdHoareTripleChecker+Invalid, 4408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 4359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:04:15,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5233 Valid, 4950 Invalid, 4408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 4359 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-16 11:04:15,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42744 states. [2022-11-16 11:04:26,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42744 to 15571. [2022-11-16 11:04:26,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15571 states, 15564 states have (on average 1.464148033924441) internal successors, (22788), 15570 states have internal predecessors, (22788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:26,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15571 states to 15571 states and 22788 transitions. [2022-11-16 11:04:26,724 INFO L78 Accepts]: Start accepts. Automaton has 15571 states and 22788 transitions. Word has length 71 [2022-11-16 11:04:26,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:04:26,724 INFO L495 AbstractCegarLoop]: Abstraction has 15571 states and 22788 transitions. [2022-11-16 11:04:26,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:26,724 INFO L276 IsEmpty]: Start isEmpty. Operand 15571 states and 22788 transitions. [2022-11-16 11:04:26,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-16 11:04:26,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:04:26,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:04:26,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-16 11:04:26,727 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 11:04:26,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:26,728 INFO L85 PathProgramCache]: Analyzing trace with hash 751781022, now seen corresponding path program 1 times [2022-11-16 11:04:26,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:26,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843233663] [2022-11-16 11:04:26,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:26,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:27,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:04:27,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:04:27,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843233663] [2022-11-16 11:04:27,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843233663] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:04:27,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:04:27,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:04:27,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894770039] [2022-11-16 11:04:27,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:04:27,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:04:27,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:04:27,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:04:27,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:04:27,039 INFO L87 Difference]: Start difference. First operand 15571 states and 22788 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:44,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:04:44,374 INFO L93 Difference]: Finished difference Result 19988 states and 29029 transitions. [2022-11-16 11:04:44,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 11:04:44,375 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-11-16 11:04:44,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:04:44,402 INFO L225 Difference]: With dead ends: 19988 [2022-11-16 11:04:44,402 INFO L226 Difference]: Without dead ends: 19920 [2022-11-16 11:04:44,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-16 11:04:44,406 INFO L413 NwaCegarLoop]: 833 mSDtfsCounter, 3589 mSDsluCounter, 2675 mSDsCounter, 0 mSdLazyCounter, 2865 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3589 SdHoareTripleChecker+Valid, 3508 SdHoareTripleChecker+Invalid, 2883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 2865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:04:44,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3589 Valid, 3508 Invalid, 2883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 2865 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-16 11:04:44,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19920 states. [2022-11-16 11:04:54,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19920 to 15566. [2022-11-16 11:04:54,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15566 states, 15559 states have (on average 1.4640401054052317) internal successors, (22779), 15565 states have internal predecessors, (22779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:55,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15566 states to 15566 states and 22779 transitions. [2022-11-16 11:04:55,022 INFO L78 Accepts]: Start accepts. Automaton has 15566 states and 22779 transitions. Word has length 72 [2022-11-16 11:04:55,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:04:55,023 INFO L495 AbstractCegarLoop]: Abstraction has 15566 states and 22779 transitions. [2022-11-16 11:04:55,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:55,023 INFO L276 IsEmpty]: Start isEmpty. Operand 15566 states and 22779 transitions. [2022-11-16 11:04:55,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-16 11:04:55,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:04:55,026 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:04:55,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-16 11:04:55,026 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 11:04:55,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:55,027 INFO L85 PathProgramCache]: Analyzing trace with hash -547570985, now seen corresponding path program 1 times [2022-11-16 11:04:55,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:55,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992746942] [2022-11-16 11:04:55,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:55,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:55,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:04:55,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:04:55,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992746942] [2022-11-16 11:04:55,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992746942] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:04:55,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:04:55,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-16 11:04:55,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139140295] [2022-11-16 11:04:55,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:04:55,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:04:55,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:04:55,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:04:55,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:04:55,868 INFO L87 Difference]: Start difference. First operand 15566 states and 22779 transitions. Second operand has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:05:35,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:05:35,667 INFO L93 Difference]: Finished difference Result 46032 states and 67573 transitions. [2022-11-16 11:05:35,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 11:05:35,667 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-11-16 11:05:35,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:05:35,734 INFO L225 Difference]: With dead ends: 46032 [2022-11-16 11:05:35,734 INFO L226 Difference]: Without dead ends: 45965 [2022-11-16 11:05:35,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=191, Invalid=621, Unknown=0, NotChecked=0, Total=812 [2022-11-16 11:05:35,742 INFO L413 NwaCegarLoop]: 1446 mSDtfsCounter, 11382 mSDsluCounter, 8383 mSDsCounter, 0 mSdLazyCounter, 1462 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11382 SdHoareTripleChecker+Valid, 9829 SdHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:05:35,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11382 Valid, 9829 Invalid, 1490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1462 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-16 11:05:35,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45965 states. [2022-11-16 11:05:47,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45965 to 15562. [2022-11-16 11:05:47,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15562 states, 15556 states have (on average 1.4640010285420417) internal successors, (22774), 15561 states have internal predecessors, (22774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:05:47,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15562 states to 15562 states and 22774 transitions. [2022-11-16 11:05:47,100 INFO L78 Accepts]: Start accepts. Automaton has 15562 states and 22774 transitions. Word has length 74 [2022-11-16 11:05:47,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:05:47,100 INFO L495 AbstractCegarLoop]: Abstraction has 15562 states and 22774 transitions. [2022-11-16 11:05:47,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:05:47,100 INFO L276 IsEmpty]: Start isEmpty. Operand 15562 states and 22774 transitions. [2022-11-16 11:05:47,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-16 11:05:47,103 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:05:47,104 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:05:47,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-16 11:05:47,104 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 11:05:47,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:05:47,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1959708385, now seen corresponding path program 1 times [2022-11-16 11:05:47,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:05:47,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844641001] [2022-11-16 11:05:47,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:05:47,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:05:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:47,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:05:47,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:05:47,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844641001] [2022-11-16 11:05:47,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844641001] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:05:47,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:05:47,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-16 11:05:47,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482411235] [2022-11-16 11:05:47,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:05:47,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:05:47,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:05:47,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:05:47,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:05:47,873 INFO L87 Difference]: Start difference. First operand 15562 states and 22774 transitions. Second operand has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:06:26,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:06:26,891 INFO L93 Difference]: Finished difference Result 46028 states and 67568 transitions. [2022-11-16 11:06:26,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 11:06:26,891 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-11-16 11:06:26,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:06:26,960 INFO L225 Difference]: With dead ends: 46028 [2022-11-16 11:06:26,960 INFO L226 Difference]: Without dead ends: 45961 [2022-11-16 11:06:26,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=191, Invalid=621, Unknown=0, NotChecked=0, Total=812 [2022-11-16 11:06:26,969 INFO L413 NwaCegarLoop]: 1623 mSDtfsCounter, 9265 mSDsluCounter, 8443 mSDsCounter, 0 mSdLazyCounter, 1522 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9265 SdHoareTripleChecker+Valid, 10066 SdHoareTripleChecker+Invalid, 1550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:06:26,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9265 Valid, 10066 Invalid, 1550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1522 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-16 11:06:27,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45961 states. [2022-11-16 11:06:38,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45961 to 15558. [2022-11-16 11:06:38,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15558 states, 15553 states have (on average 1.4639619366038705) internal successors, (22769), 15557 states have internal predecessors, (22769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:06:38,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15558 states to 15558 states and 22769 transitions. [2022-11-16 11:06:38,200 INFO L78 Accepts]: Start accepts. Automaton has 15558 states and 22769 transitions. Word has length 74 [2022-11-16 11:06:38,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:06:38,200 INFO L495 AbstractCegarLoop]: Abstraction has 15558 states and 22769 transitions. [2022-11-16 11:06:38,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:06:38,200 INFO L276 IsEmpty]: Start isEmpty. Operand 15558 states and 22769 transitions. [2022-11-16 11:06:38,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-16 11:06:38,203 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:06:38,203 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:06:38,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-16 11:06:38,203 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 11:06:38,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:06:38,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1100799, now seen corresponding path program 1 times [2022-11-16 11:06:38,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:06:38,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437770537] [2022-11-16 11:06:38,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:06:38,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:06:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:39,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:06:39,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:06:39,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437770537] [2022-11-16 11:06:39,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437770537] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:06:39,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:06:39,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-11-16 11:06:39,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387621269] [2022-11-16 11:06:39,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:06:39,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-16 11:06:39,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:06:39,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-16 11:06:39,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2022-11-16 11:06:39,891 INFO L87 Difference]: Start difference. First operand 15558 states and 22769 transitions. Second operand has 23 states, 23 states have (on average 3.217391304347826) internal successors, (74), 23 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:18,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:07:18,038 INFO L93 Difference]: Finished difference Result 35441 states and 51745 transitions. [2022-11-16 11:07:18,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 11:07:18,038 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.217391304347826) internal successors, (74), 23 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-11-16 11:07:18,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:07:18,090 INFO L225 Difference]: With dead ends: 35441 [2022-11-16 11:07:18,090 INFO L226 Difference]: Without dead ends: 35368 [2022-11-16 11:07:18,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=303, Invalid=1419, Unknown=0, NotChecked=0, Total=1722 [2022-11-16 11:07:18,097 INFO L413 NwaCegarLoop]: 1483 mSDtfsCounter, 10895 mSDsluCounter, 18773 mSDsCounter, 0 mSdLazyCounter, 8198 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10895 SdHoareTripleChecker+Valid, 20256 SdHoareTripleChecker+Invalid, 8238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 8198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:07:18,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10895 Valid, 20256 Invalid, 8238 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [40 Valid, 8198 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2022-11-16 11:07:18,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35368 states. [2022-11-16 11:07:29,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35368 to 15575. [2022-11-16 11:07:29,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15575 states, 15570 states have (on average 1.4637122671804752) internal successors, (22790), 15574 states have internal predecessors, (22790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:29,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15575 states to 15575 states and 22790 transitions. [2022-11-16 11:07:29,580 INFO L78 Accepts]: Start accepts. Automaton has 15575 states and 22790 transitions. Word has length 74 [2022-11-16 11:07:29,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:07:29,581 INFO L495 AbstractCegarLoop]: Abstraction has 15575 states and 22790 transitions. [2022-11-16 11:07:29,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.217391304347826) internal successors, (74), 23 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:29,581 INFO L276 IsEmpty]: Start isEmpty. Operand 15575 states and 22790 transitions. [2022-11-16 11:07:29,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-16 11:07:29,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:07:29,584 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:07:29,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-16 11:07:29,585 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 11:07:29,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:29,585 INFO L85 PathProgramCache]: Analyzing trace with hash 179128677, now seen corresponding path program 1 times [2022-11-16 11:07:29,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:29,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716784823] [2022-11-16 11:07:29,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:29,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:30,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:30,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:30,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716784823] [2022-11-16 11:07:30,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716784823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:30,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:30,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-16 11:07:30,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287424699] [2022-11-16 11:07:30,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:30,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:07:30,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:30,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:07:30,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:07:30,389 INFO L87 Difference]: Start difference. First operand 15575 states and 22790 transitions. Second operand has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:06,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:08:06,813 INFO L93 Difference]: Finished difference Result 46037 states and 67579 transitions. [2022-11-16 11:08:06,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 11:08:06,813 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-11-16 11:08:06,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:08:06,879 INFO L225 Difference]: With dead ends: 46037 [2022-11-16 11:08:06,879 INFO L226 Difference]: Without dead ends: 45970 [2022-11-16 11:08:06,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=191, Invalid=621, Unknown=0, NotChecked=0, Total=812 [2022-11-16 11:08:06,887 INFO L413 NwaCegarLoop]: 1601 mSDtfsCounter, 10861 mSDsluCounter, 7742 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10861 SdHoareTripleChecker+Valid, 9343 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:08:06,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10861 Valid, 9343 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1410 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-16 11:08:06,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45970 states. [2022-11-16 11:08:16,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45970 to 15571. [2022-11-16 11:08:16,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15571 states, 15567 states have (on average 1.4636731547504336) internal successors, (22785), 15570 states have internal predecessors, (22785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:16,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15571 states to 15571 states and 22785 transitions. [2022-11-16 11:08:16,497 INFO L78 Accepts]: Start accepts. Automaton has 15571 states and 22785 transitions. Word has length 74 [2022-11-16 11:08:16,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:08:16,498 INFO L495 AbstractCegarLoop]: Abstraction has 15571 states and 22785 transitions. [2022-11-16 11:08:16,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:16,498 INFO L276 IsEmpty]: Start isEmpty. Operand 15571 states and 22785 transitions. [2022-11-16 11:08:16,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-16 11:08:16,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:08:16,501 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:08:16,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-16 11:08:16,501 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 11:08:16,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:16,502 INFO L85 PathProgramCache]: Analyzing trace with hash -607831971, now seen corresponding path program 1 times [2022-11-16 11:08:16,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:16,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638123268] [2022-11-16 11:08:16,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:16,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:17,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:17,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:08:17,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638123268] [2022-11-16 11:08:17,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638123268] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:17,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:17,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 11:08:17,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487017547] [2022-11-16 11:08:17,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:17,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 11:08:17,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:08:17,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 11:08:17,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:08:17,081 INFO L87 Difference]: Start difference. First operand 15571 states and 22785 transitions. Second operand has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:36,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:08:36,227 INFO L93 Difference]: Finished difference Result 26683 states and 39088 transitions. [2022-11-16 11:08:36,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 11:08:36,227 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-11-16 11:08:36,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:08:36,267 INFO L225 Difference]: With dead ends: 26683 [2022-11-16 11:08:36,268 INFO L226 Difference]: Without dead ends: 26605 [2022-11-16 11:08:36,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2022-11-16 11:08:36,274 INFO L413 NwaCegarLoop]: 1632 mSDtfsCounter, 7642 mSDsluCounter, 7180 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7642 SdHoareTripleChecker+Valid, 8812 SdHoareTripleChecker+Invalid, 1331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:08:36,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7642 Valid, 8812 Invalid, 1331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-16 11:08:36,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26605 states. [2022-11-16 11:08:45,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26605 to 15556. [2022-11-16 11:08:45,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15556 states, 15553 states have (on average 1.463640455217643) internal successors, (22764), 15555 states have internal predecessors, (22764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:45,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15556 states to 15556 states and 22764 transitions. [2022-11-16 11:08:45,890 INFO L78 Accepts]: Start accepts. Automaton has 15556 states and 22764 transitions. Word has length 74 [2022-11-16 11:08:45,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:08:45,890 INFO L495 AbstractCegarLoop]: Abstraction has 15556 states and 22764 transitions. [2022-11-16 11:08:45,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:45,890 INFO L276 IsEmpty]: Start isEmpty. Operand 15556 states and 22764 transitions. [2022-11-16 11:08:45,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-16 11:08:45,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:08:45,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:08:45,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-16 11:08:45,894 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 11:08:45,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:45,895 INFO L85 PathProgramCache]: Analyzing trace with hash -2036736217, now seen corresponding path program 1 times [2022-11-16 11:08:45,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:45,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477450211] [2022-11-16 11:08:45,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:45,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:46,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:46,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:08:46,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477450211] [2022-11-16 11:08:46,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477450211] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:46,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:46,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-11-16 11:08:46,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174009231] [2022-11-16 11:08:46,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:46,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-16 11:08:46,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:08:46,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-16 11:08:46,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:08:46,924 INFO L87 Difference]: Start difference. First operand 15556 states and 22764 transitions. Second operand has 17 states, 17 states have (on average 4.352941176470588) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:09:20,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:09:20,411 INFO L93 Difference]: Finished difference Result 37615 states and 54806 transitions. [2022-11-16 11:09:20,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 11:09:20,412 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.352941176470588) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-11-16 11:09:20,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:09:20,463 INFO L225 Difference]: With dead ends: 37615 [2022-11-16 11:09:20,463 INFO L226 Difference]: Without dead ends: 37529 [2022-11-16 11:09:20,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=300, Invalid=1032, Unknown=0, NotChecked=0, Total=1332 [2022-11-16 11:09:20,469 INFO L413 NwaCegarLoop]: 1491 mSDtfsCounter, 10365 mSDsluCounter, 11979 mSDsCounter, 0 mSdLazyCounter, 3879 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10365 SdHoareTripleChecker+Valid, 13470 SdHoareTripleChecker+Invalid, 3922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 3879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:09:20,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10365 Valid, 13470 Invalid, 3922 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [43 Valid, 3879 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-16 11:09:20,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37529 states. [2022-11-16 11:09:31,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37529 to 15550. [2022-11-16 11:09:31,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15550 states, 15547 states have (on average 1.46356210201325) internal successors, (22754), 15549 states have internal predecessors, (22754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:09:31,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15550 states to 15550 states and 22754 transitions. [2022-11-16 11:09:31,282 INFO L78 Accepts]: Start accepts. Automaton has 15550 states and 22754 transitions. Word has length 74 [2022-11-16 11:09:31,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:09:31,282 INFO L495 AbstractCegarLoop]: Abstraction has 15550 states and 22754 transitions. [2022-11-16 11:09:31,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.352941176470588) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:09:31,283 INFO L276 IsEmpty]: Start isEmpty. Operand 15550 states and 22754 transitions. [2022-11-16 11:09:31,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-16 11:09:31,285 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:09:31,285 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:09:31,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-16 11:09:31,285 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-16 11:09:31,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:31,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1287191800, now seen corresponding path program 1 times [2022-11-16 11:09:31,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:31,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8700125] [2022-11-16 11:09:31,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:31,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:31,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:09:31,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:09:31,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8700125] [2022-11-16 11:09:31,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8700125] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:31,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:31,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 11:09:31,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950899240] [2022-11-16 11:09:31,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:31,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 11:09:31,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:09:31,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 11:09:31,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:09:31,801 INFO L87 Difference]: Start difference. First operand 15550 states and 22754 transitions. Second operand has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:09:52,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:09:52,911 INFO L93 Difference]: Finished difference Result 26650 states and 39042 transitions. [2022-11-16 11:09:52,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 11:09:52,911 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-11-16 11:09:52,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:09:52,948 INFO L225 Difference]: With dead ends: 26650 [2022-11-16 11:09:52,949 INFO L226 Difference]: Without dead ends: 26567 [2022-11-16 11:09:52,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2022-11-16 11:09:52,953 INFO L413 NwaCegarLoop]: 1412 mSDtfsCounter, 6489 mSDsluCounter, 7126 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6489 SdHoareTripleChecker+Valid, 8538 SdHoareTripleChecker+Invalid, 1305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:09:52,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6489 Valid, 8538 Invalid, 1305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1290 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-16 11:09:52,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26567 states.