./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4664ff36-a47d-4c6a-927b-f0399236b742/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4664ff36-a47d-4c6a-927b-f0399236b742/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4664ff36-a47d-4c6a-927b-f0399236b742/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4664ff36-a47d-4c6a-927b-f0399236b742/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4664ff36-a47d-4c6a-927b-f0399236b742/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4664ff36-a47d-4c6a-927b-f0399236b742/bin/uautomizer-ug76WZFUDN --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 d0e47ba9123028218b420ce8d5a00a95c55595f981ba1193a1a3a9086d3ecf65 --- 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-6b4ec56 [2022-11-20 09:30:13,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:30:13,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:30:13,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:30:13,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:30:13,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:30:13,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:30:13,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:30:13,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:30:13,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:30:13,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:30:13,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:30:13,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:30:13,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:30:13,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:30:13,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:30:13,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:30:13,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:30:13,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:30:13,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:30:13,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:30:13,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:30:13,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:30:13,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:30:13,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:30:13,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:30:13,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:30:13,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:30:13,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:30:13,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:30:13,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:30:13,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:30:13,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:30:13,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:30:13,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:30:13,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:30:13,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:30:13,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:30:13,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:30:13,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:30:13,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:30:13,151 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4664ff36-a47d-4c6a-927b-f0399236b742/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 09:30:13,202 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:30:13,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:30:13,203 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:30:13,203 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:30:13,204 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:30:13,204 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:30:13,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:30:13,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:30:13,206 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:30:13,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:30:13,206 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 09:30:13,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:30:13,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 09:30:13,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:30:13,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:30:13,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:30:13,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:30:13,209 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 09:30:13,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:30:13,210 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:30:13,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:30:13,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:30:13,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:30:13,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:30:13,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:30:13,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:30:13,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:30:13,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:30:13,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:30:13,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:30:13,213 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:30:13,214 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:30:13,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:30:13,214 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4664ff36-a47d-4c6a-927b-f0399236b742/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4664ff36-a47d-4c6a-927b-f0399236b742/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0e47ba9123028218b420ce8d5a00a95c55595f981ba1193a1a3a9086d3ecf65 [2022-11-20 09:30:13,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:30:13,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:30:13,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:30:13,631 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:30:13,632 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:30:13,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4664ff36-a47d-4c6a-927b-f0399236b742/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-11-20 09:30:17,468 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:30:18,234 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:30:18,235 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-11-20 09:30:18,297 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4664ff36-a47d-4c6a-927b-f0399236b742/bin/uautomizer-ug76WZFUDN/data/f14ce2515/6095fb713ce44e4e94147494dd1beb49/FLAG8678ace6e [2022-11-20 09:30:18,321 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4664ff36-a47d-4c6a-927b-f0399236b742/bin/uautomizer-ug76WZFUDN/data/f14ce2515/6095fb713ce44e4e94147494dd1beb49 [2022-11-20 09:30:18,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:30:18,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:30:18,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:30:18,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:30:18,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:30:18,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:30:18" (1/1) ... [2022-11-20 09:30:18,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4e710c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:18, skipping insertion in model container [2022-11-20 09:30:18,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:30:18" (1/1) ... [2022-11-20 09:30:18,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:30:18,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:30:19,445 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32607,32620] [2022-11-20 09:30:19,505 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[39665,39678] [2022-11-20 09:30:19,697 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[66766,66779] [2022-11-20 09:30:19,734 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[75829,75842] [2022-11-20 09:30:19,761 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[82520,82533] [2022-11-20 09:30:19,807 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[94424,94437] [2022-11-20 09:30:19,854 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[103377,103390] [2022-11-20 09:30:19,891 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[111402,111415] [2022-11-20 09:30:20,021 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[149914,149927] [2022-11-20 09:30:20,034 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[153444,153457] [2022-11-20 09:30:20,064 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[162451,162464] [2022-11-20 09:30:20,087 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[169104,169117] [2022-11-20 09:30:20,169 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[194798,194811] [2022-11-20 09:30:20,272 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[226694,226707] [2022-11-20 09:30:20,364 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[256902,256915] [2022-11-20 09:30:20,455 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[287214,287227] [2022-11-20 09:30:20,551 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[320546,320559] [2022-11-20 09:30:20,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:30:20,974 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:30:21,109 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32607,32620] [2022-11-20 09:30:21,134 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[39665,39678] [2022-11-20 09:30:21,211 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[66766,66779] [2022-11-20 09:30:21,237 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[75829,75842] [2022-11-20 09:30:21,257 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[82520,82533] [2022-11-20 09:30:21,290 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[94424,94437] [2022-11-20 09:30:21,318 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[103377,103390] [2022-11-20 09:30:21,341 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[111402,111415] [2022-11-20 09:30:21,446 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[149914,149927] [2022-11-20 09:30:21,458 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[153444,153457] [2022-11-20 09:30:21,482 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[162451,162464] [2022-11-20 09:30:21,501 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[169104,169117] [2022-11-20 09:30:21,636 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[194798,194811] [2022-11-20 09:30:21,743 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[226694,226707] [2022-11-20 09:30:21,825 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[256902,256915] [2022-11-20 09:30:21,911 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[287214,287227] [2022-11-20 09:30:22,006 WARN L237 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_4664ff36-a47d-4c6a-927b-f0399236b742/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[320546,320559] [2022-11-20 09:30:22,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:30:22,350 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:30:22,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:22 WrapperNode [2022-11-20 09:30:22,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:30:22,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:30:22,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:30:22,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:30:22,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:22" (1/1) ... [2022-11-20 09:30:22,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:22" (1/1) ... [2022-11-20 09:30:22,763 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17990 [2022-11-20 09:30:22,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:30:22,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:30:22,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:30:22,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:30:22,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:22" (1/1) ... [2022-11-20 09:30:22,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:22" (1/1) ... [2022-11-20 09:30:22,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:22" (1/1) ... [2022-11-20 09:30:22,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:22" (1/1) ... [2022-11-20 09:30:22,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:22" (1/1) ... [2022-11-20 09:30:23,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:22" (1/1) ... [2022-11-20 09:30:23,170 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:22" (1/1) ... [2022-11-20 09:30:23,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:22" (1/1) ... [2022-11-20 09:30:23,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:30:23,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:30:23,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:30:23,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:30:23,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:22" (1/1) ... [2022-11-20 09:30:23,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:30:23,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4664ff36-a47d-4c6a-927b-f0399236b742/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:30:23,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4664ff36-a47d-4c6a-927b-f0399236b742/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:30:23,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4664ff36-a47d-4c6a-927b-f0399236b742/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:30:23,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:30:23,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:30:23,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:30:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:30:24,056 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:30:24,058 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:30:33,868 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:30:33,916 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:30:33,916 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 09:30:33,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:33 BoogieIcfgContainer [2022-11-20 09:30:33,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:30:33,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:30:33,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:30:33,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:30:33,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:30:18" (1/3) ... [2022-11-20 09:30:33,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7380382b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:30:33, skipping insertion in model container [2022-11-20 09:30:33,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:22" (2/3) ... [2022-11-20 09:30:33,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7380382b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:30:33, skipping insertion in model container [2022-11-20 09:30:33,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:33" (3/3) ... [2022-11-20 09:30:33,935 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-11-20 09:30:33,959 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:30:33,960 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-11-20 09:30:34,112 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:30:34,122 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;@63bb758b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:30:34,124 INFO L358 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2022-11-20 09:30:34,142 INFO L276 IsEmpty]: Start isEmpty. Operand has 3732 states, 3714 states have (on average 1.7808292945611202) internal successors, (6614), 3731 states have internal predecessors, (6614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:34,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-20 09:30:34,179 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:34,180 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] [2022-11-20 09:30:34,181 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)] === [2022-11-20 09:30:34,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:34,188 INFO L85 PathProgramCache]: Analyzing trace with hash -100733711, now seen corresponding path program 1 times [2022-11-20 09:30:34,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:34,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792548063] [2022-11-20 09:30:34,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:34,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:35,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:30:35,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:35,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792548063] [2022-11-20 09:30:35,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792548063] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:35,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:35,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:30:35,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200749485] [2022-11-20 09:30:35,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:35,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:30:35,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:35,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:30:35,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:30:35,160 INFO L87 Difference]: Start difference. First operand has 3732 states, 3714 states have (on average 1.7808292945611202) internal successors, (6614), 3731 states have internal predecessors, (6614), 0 states have call successors, (0), 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 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) [2022-11-20 09:30:40,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:40,970 INFO L93 Difference]: Finished difference Result 7023 states and 12201 transitions. [2022-11-20 09:30:40,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:30:40,976 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 [2022-11-20 09:30:40,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:41,017 INFO L225 Difference]: With dead ends: 7023 [2022-11-20 09:30:41,017 INFO L226 Difference]: Without dead ends: 4502 [2022-11-20 09:30:41,029 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 [2022-11-20 09:30:41,039 INFO L413 NwaCegarLoop]: 2976 mSDtfsCounter, 20484 mSDsluCounter, 1292 mSDsCounter, 0 mSdLazyCounter, 3522 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20484 SdHoareTripleChecker+Valid, 4268 SdHoareTripleChecker+Invalid, 3659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 3522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:41,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20484 Valid, 4268 Invalid, 3659 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [137 Valid, 3522 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-20 09:30:41,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4502 states. [2022-11-20 09:30:41,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4502 to 4477. [2022-11-20 09:30:41,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4477 states, 4460 states have (on average 1.3017937219730942) internal successors, (5806), 4476 states have internal predecessors, (5806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:41,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4477 states to 4477 states and 5806 transitions. [2022-11-20 09:30:41,443 INFO L78 Accepts]: Start accepts. Automaton has 4477 states and 5806 transitions. Word has length 65 [2022-11-20 09:30:41,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:41,445 INFO L495 AbstractCegarLoop]: Abstraction has 4477 states and 5806 transitions. [2022-11-20 09:30:41,446 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) [2022-11-20 09:30:41,446 INFO L276 IsEmpty]: Start isEmpty. Operand 4477 states and 5806 transitions. [2022-11-20 09:30:41,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-20 09:30:41,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:41,461 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] [2022-11-20 09:30:41,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:30:41,462 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:30:41,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:41,463 INFO L85 PathProgramCache]: Analyzing trace with hash 100373679, now seen corresponding path program 1 times [2022-11-20 09:30:41,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:41,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694738880] [2022-11-20 09:30:41,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:41,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:41,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:30:41,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:41,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694738880] [2022-11-20 09:30:41,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694738880] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:41,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:41,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:30:41,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760575292] [2022-11-20 09:30:41,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:41,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:30:41,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:41,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:30:41,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:30:41,881 INFO L87 Difference]: Start difference. First operand 4477 states and 5806 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) [2022-11-20 09:30:45,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:45,999 INFO L93 Difference]: Finished difference Result 8429 states and 10953 transitions. [2022-11-20 09:30:46,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:30:46,000 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 [2022-11-20 09:30:46,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:46,021 INFO L225 Difference]: With dead ends: 8429 [2022-11-20 09:30:46,021 INFO L226 Difference]: Without dead ends: 5662 [2022-11-20 09:30:46,025 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 [2022-11-20 09:30:46,027 INFO L413 NwaCegarLoop]: 1914 mSDtfsCounter, 13269 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 2316 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13269 SdHoareTripleChecker+Valid, 2583 SdHoareTripleChecker+Invalid, 2391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 2316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:46,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13269 Valid, 2583 Invalid, 2391 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [75 Valid, 2316 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-20 09:30:46,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5662 states. [2022-11-20 09:30:46,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5662 to 5632. [2022-11-20 09:30:46,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5632 states, 5615 states have (on average 1.3073909171861087) internal successors, (7341), 5631 states have internal predecessors, (7341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:46,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5632 states to 5632 states and 7341 transitions. [2022-11-20 09:30:46,310 INFO L78 Accepts]: Start accepts. Automaton has 5632 states and 7341 transitions. Word has length 66 [2022-11-20 09:30:46,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:46,311 INFO L495 AbstractCegarLoop]: Abstraction has 5632 states and 7341 transitions. [2022-11-20 09:30:46,311 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) [2022-11-20 09:30:46,311 INFO L276 IsEmpty]: Start isEmpty. Operand 5632 states and 7341 transitions. [2022-11-20 09:30:46,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-20 09:30:46,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:46,320 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] [2022-11-20 09:30:46,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 09:30:46,321 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:30:46,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:46,325 INFO L85 PathProgramCache]: Analyzing trace with hash 2043501231, now seen corresponding path program 1 times [2022-11-20 09:30:46,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:46,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931591815] [2022-11-20 09:30:46,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:46,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:46,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:30:46,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:46,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931591815] [2022-11-20 09:30:46,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931591815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:46,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:46,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:30:46,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630545504] [2022-11-20 09:30:46,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:46,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:30:46,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:46,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:30:46,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:30:46,643 INFO L87 Difference]: Start difference. First operand 5632 states and 7341 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) [2022-11-20 09:30:49,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:49,677 INFO L93 Difference]: Finished difference Result 11309 states and 14761 transitions. [2022-11-20 09:30:49,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:30:49,678 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 [2022-11-20 09:30:49,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:49,706 INFO L225 Difference]: With dead ends: 11309 [2022-11-20 09:30:49,706 INFO L226 Difference]: Without dead ends: 7079 [2022-11-20 09:30:49,712 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 [2022-11-20 09:30:49,714 INFO L413 NwaCegarLoop]: 1612 mSDtfsCounter, 11557 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 2075 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11557 SdHoareTripleChecker+Valid, 2246 SdHoareTripleChecker+Invalid, 2126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 2075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:49,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11557 Valid, 2246 Invalid, 2126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 2075 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-20 09:30:49,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7079 states. [2022-11-20 09:30:50,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7079 to 7059. [2022-11-20 09:30:50,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7059 states, 7042 states have (on average 1.3092871343368362) internal successors, (9220), 7058 states have internal predecessors, (9220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:50,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7059 states to 7059 states and 9220 transitions. [2022-11-20 09:30:50,121 INFO L78 Accepts]: Start accepts. Automaton has 7059 states and 9220 transitions. Word has length 66 [2022-11-20 09:30:50,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:50,123 INFO L495 AbstractCegarLoop]: Abstraction has 7059 states and 9220 transitions. [2022-11-20 09:30:50,124 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) [2022-11-20 09:30:50,125 INFO L276 IsEmpty]: Start isEmpty. Operand 7059 states and 9220 transitions. [2022-11-20 09:30:50,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-20 09:30:50,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:50,136 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] [2022-11-20 09:30:50,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 09:30:50,136 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)] === [2022-11-20 09:30:50,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:50,138 INFO L85 PathProgramCache]: Analyzing trace with hash 280890183, now seen corresponding path program 1 times [2022-11-20 09:30:50,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:50,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162973473] [2022-11-20 09:30:50,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:50,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:50,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:30:50,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:50,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162973473] [2022-11-20 09:30:50,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162973473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:50,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:50,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:30:50,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8803714] [2022-11-20 09:30:50,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:50,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:30:50,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:50,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:30:50,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:30:50,430 INFO L87 Difference]: Start difference. First operand 7059 states and 9220 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 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) [2022-11-20 09:30:52,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:52,925 INFO L93 Difference]: Finished difference Result 13777 states and 18169 transitions. [2022-11-20 09:30:52,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:30:52,926 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 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 [2022-11-20 09:30:52,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:52,966 INFO L225 Difference]: With dead ends: 13777 [2022-11-20 09:30:52,966 INFO L226 Difference]: Without dead ends: 9203 [2022-11-20 09:30:52,976 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 [2022-11-20 09:30:52,977 INFO L413 NwaCegarLoop]: 1470 mSDtfsCounter, 9715 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9715 SdHoareTripleChecker+Valid, 2010 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:52,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9715 Valid, 2010 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1607 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-20 09:30:52,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9203 states. [2022-11-20 09:30:53,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9203 to 9163. [2022-11-20 09:30:53,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9163 states, 9146 states have (on average 1.323092062103652) internal successors, (12101), 9162 states have internal predecessors, (12101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:53,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9163 states to 9163 states and 12101 transitions. [2022-11-20 09:30:53,733 INFO L78 Accepts]: Start accepts. Automaton has 9163 states and 12101 transitions. Word has length 67 [2022-11-20 09:30:53,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:53,733 INFO L495 AbstractCegarLoop]: Abstraction has 9163 states and 12101 transitions. [2022-11-20 09:30:53,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 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) [2022-11-20 09:30:53,734 INFO L276 IsEmpty]: Start isEmpty. Operand 9163 states and 12101 transitions. [2022-11-20 09:30:53,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-20 09:30:53,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:53,741 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] [2022-11-20 09:30:53,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 09:30:53,741 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:30:53,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:53,742 INFO L85 PathProgramCache]: Analyzing trace with hash 533009189, now seen corresponding path program 1 times [2022-11-20 09:30:53,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:53,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331613996] [2022-11-20 09:30:53,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:53,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:54,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:30:54,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:54,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331613996] [2022-11-20 09:30:54,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331613996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:54,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:54,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 09:30:54,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643198525] [2022-11-20 09:30:54,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:54,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 09:30:54,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:54,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 09:30:54,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 09:30:54,257 INFO L87 Difference]: Start difference. First operand 9163 states and 12101 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) [2022-11-20 09:30:58,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:58,298 INFO L93 Difference]: Finished difference Result 14406 states and 19714 transitions. [2022-11-20 09:30:58,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 09:30:58,300 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 [2022-11-20 09:30:58,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:58,330 INFO L225 Difference]: With dead ends: 14406 [2022-11-20 09:30:58,330 INFO L226 Difference]: Without dead ends: 12872 [2022-11-20 09:30:58,334 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 [2022-11-20 09:30:58,335 INFO L413 NwaCegarLoop]: 1533 mSDtfsCounter, 10471 mSDsluCounter, 3623 mSDsCounter, 0 mSdLazyCounter, 4339 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10471 SdHoareTripleChecker+Valid, 5156 SdHoareTripleChecker+Invalid, 4355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 4339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:58,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10471 Valid, 5156 Invalid, 4355 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 4339 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-20 09:30:58,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12872 states. [2022-11-20 09:30:58,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12872 to 9003. [2022-11-20 09:30:58,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9003 states, 8986 states have (on average 1.3225016692632985) internal successors, (11884), 9002 states have internal predecessors, (11884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:58,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9003 states to 9003 states and 11884 transitions. [2022-11-20 09:30:58,861 INFO L78 Accepts]: Start accepts. Automaton has 9003 states and 11884 transitions. Word has length 68 [2022-11-20 09:30:58,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:58,861 INFO L495 AbstractCegarLoop]: Abstraction has 9003 states and 11884 transitions. [2022-11-20 09:30:58,862 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) [2022-11-20 09:30:58,862 INFO L276 IsEmpty]: Start isEmpty. Operand 9003 states and 11884 transitions. [2022-11-20 09:30:58,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-20 09:30:58,869 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:58,869 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] [2022-11-20 09:30:58,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 09:30:58,869 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:30:58,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:58,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1802238869, now seen corresponding path program 1 times [2022-11-20 09:30:58,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:58,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583591412] [2022-11-20 09:30:58,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:58,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:59,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:30:59,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:59,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583591412] [2022-11-20 09:30:59,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583591412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:59,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:59,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 09:30:59,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442930369] [2022-11-20 09:30:59,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:59,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:30:59,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:59,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:30:59,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:30:59,430 INFO L87 Difference]: Start difference. First operand 9003 states and 11884 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) [2022-11-20 09:31:06,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:06,799 INFO L93 Difference]: Finished difference Result 17830 states and 24364 transitions. [2022-11-20 09:31:06,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 09:31:06,800 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 [2022-11-20 09:31:06,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:06,841 INFO L225 Difference]: With dead ends: 17830 [2022-11-20 09:31:06,842 INFO L226 Difference]: Without dead ends: 16418 [2022-11-20 09:31:06,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-20 09:31:06,848 INFO L413 NwaCegarLoop]: 1578 mSDtfsCounter, 12475 mSDsluCounter, 7063 mSDsCounter, 0 mSdLazyCounter, 8503 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12475 SdHoareTripleChecker+Valid, 8641 SdHoareTripleChecker+Invalid, 8603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 8503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:06,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12475 Valid, 8641 Invalid, 8603 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [100 Valid, 8503 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-20 09:31:06,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16418 states. [2022-11-20 09:31:07,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16418 to 8941. [2022-11-20 09:31:07,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8941 states, 8924 states have (on average 1.3221649484536082) internal successors, (11799), 8940 states have internal predecessors, (11799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:31:07,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8941 states to 8941 states and 11799 transitions. [2022-11-20 09:31:07,632 INFO L78 Accepts]: Start accepts. Automaton has 8941 states and 11799 transitions. Word has length 68 [2022-11-20 09:31:07,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:07,632 INFO L495 AbstractCegarLoop]: Abstraction has 8941 states and 11799 transitions. [2022-11-20 09:31:07,632 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) [2022-11-20 09:31:07,632 INFO L276 IsEmpty]: Start isEmpty. Operand 8941 states and 11799 transitions. [2022-11-20 09:31:07,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-20 09:31:07,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:07,641 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] [2022-11-20 09:31:07,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 09:31:07,642 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:31:07,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:07,642 INFO L85 PathProgramCache]: Analyzing trace with hash 2141707383, now seen corresponding path program 1 times [2022-11-20 09:31:07,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:07,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861808898] [2022-11-20 09:31:07,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:07,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:08,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:31:08,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:08,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861808898] [2022-11-20 09:31:08,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861808898] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:08,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:08,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-20 09:31:08,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143489713] [2022-11-20 09:31:08,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:08,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 09:31:08,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:08,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 09:31:08,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-11-20 09:31:08,811 INFO L87 Difference]: Start difference. First operand 8941 states and 11799 transitions. Second operand has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 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) [2022-11-20 09:31:15,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:15,296 INFO L93 Difference]: Finished difference Result 20874 states and 29215 transitions. [2022-11-20 09:31:15,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-20 09:31:15,297 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 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 [2022-11-20 09:31:15,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:15,336 INFO L225 Difference]: With dead ends: 20874 [2022-11-20 09:31:15,336 INFO L226 Difference]: Without dead ends: 20870 [2022-11-20 09:31:15,341 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 [2022-11-20 09:31:15,342 INFO L413 NwaCegarLoop]: 2713 mSDtfsCounter, 21377 mSDsluCounter, 17065 mSDsCounter, 0 mSdLazyCounter, 2627 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21377 SdHoareTripleChecker+Valid, 19778 SdHoareTripleChecker+Invalid, 2660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:15,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21377 Valid, 19778 Invalid, 2660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [33 Valid, 2627 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-20 09:31:15,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20870 states. [2022-11-20 09:31:16,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20870 to 8937. [2022-11-20 09:31:16,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8937 states, 8921 states have (on average 1.3221611926914023) internal successors, (11795), 8936 states have internal predecessors, (11795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:31:16,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8937 states to 8937 states and 11795 transitions. [2022-11-20 09:31:16,698 INFO L78 Accepts]: Start accepts. Automaton has 8937 states and 11795 transitions. Word has length 69 [2022-11-20 09:31:16,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:16,698 INFO L495 AbstractCegarLoop]: Abstraction has 8937 states and 11795 transitions. [2022-11-20 09:31:16,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 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) [2022-11-20 09:31:16,699 INFO L276 IsEmpty]: Start isEmpty. Operand 8937 states and 11795 transitions. [2022-11-20 09:31:16,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-20 09:31:16,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:16,708 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] [2022-11-20 09:31:16,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 09:31:16,708 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)] === [2022-11-20 09:31:16,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:16,709 INFO L85 PathProgramCache]: Analyzing trace with hash -50233035, now seen corresponding path program 1 times [2022-11-20 09:31:16,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:16,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348389771] [2022-11-20 09:31:16,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:16,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:17,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:31:17,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:17,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348389771] [2022-11-20 09:31:17,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348389771] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:17,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:17,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 09:31:17,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374230733] [2022-11-20 09:31:17,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:17,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:31:17,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:17,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:31:17,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:31:17,216 INFO L87 Difference]: Start difference. First operand 8937 states and 11795 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 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) [2022-11-20 09:31:22,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:22,695 INFO L93 Difference]: Finished difference Result 10524 states and 13940 transitions. [2022-11-20 09:31:22,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 09:31:22,695 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 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 [2022-11-20 09:31:22,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:22,711 INFO L225 Difference]: With dead ends: 10524 [2022-11-20 09:31:22,712 INFO L226 Difference]: Without dead ends: 10518 [2022-11-20 09:31:22,715 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 [2022-11-20 09:31:22,716 INFO L413 NwaCegarLoop]: 1475 mSDtfsCounter, 13676 mSDsluCounter, 4750 mSDsCounter, 0 mSdLazyCounter, 5080 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13676 SdHoareTripleChecker+Valid, 6225 SdHoareTripleChecker+Invalid, 5104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 5080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:22,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13676 Valid, 6225 Invalid, 5104 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [24 Valid, 5080 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-20 09:31:22,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10518 states. [2022-11-20 09:31:23,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10518 to 8937. [2022-11-20 09:31:23,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8937 states, 8921 states have (on average 1.3220490976347943) internal successors, (11794), 8936 states have internal predecessors, (11794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:31:23,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8937 states to 8937 states and 11794 transitions. [2022-11-20 09:31:23,954 INFO L78 Accepts]: Start accepts. Automaton has 8937 states and 11794 transitions. Word has length 69 [2022-11-20 09:31:23,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:23,954 INFO L495 AbstractCegarLoop]: Abstraction has 8937 states and 11794 transitions. [2022-11-20 09:31:23,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 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) [2022-11-20 09:31:23,955 INFO L276 IsEmpty]: Start isEmpty. Operand 8937 states and 11794 transitions. [2022-11-20 09:31:23,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-20 09:31:23,963 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:23,964 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] [2022-11-20 09:31:23,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 09:31:23,964 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:31:23,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:23,965 INFO L85 PathProgramCache]: Analyzing trace with hash 487125926, now seen corresponding path program 1 times [2022-11-20 09:31:23,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:23,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480236654] [2022-11-20 09:31:23,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:23,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:24,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:31:24,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:24,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480236654] [2022-11-20 09:31:24,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480236654] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:24,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:24,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 09:31:24,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119170950] [2022-11-20 09:31:24,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:24,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:31:24,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:24,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:31:24,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:31:24,474 INFO L87 Difference]: Start difference. First operand 8937 states and 11794 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 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) [2022-11-20 09:31:30,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:30,070 INFO L93 Difference]: Finished difference Result 11304 states and 14876 transitions. [2022-11-20 09:31:30,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 09:31:30,071 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 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 [2022-11-20 09:31:30,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:30,082 INFO L225 Difference]: With dead ends: 11304 [2022-11-20 09:31:30,082 INFO L226 Difference]: Without dead ends: 11295 [2022-11-20 09:31:30,084 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 [2022-11-20 09:31:30,085 INFO L413 NwaCegarLoop]: 1437 mSDtfsCounter, 14070 mSDsluCounter, 4650 mSDsCounter, 0 mSdLazyCounter, 5384 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14070 SdHoareTripleChecker+Valid, 6087 SdHoareTripleChecker+Invalid, 5439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 5384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:30,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14070 Valid, 6087 Invalid, 5439 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [55 Valid, 5384 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-20 09:31:30,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11295 states. [2022-11-20 09:31:31,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11295 to 8937. [2022-11-20 09:31:31,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8937 states, 8921 states have (on average 1.3219370025781862) internal successors, (11793), 8936 states have internal predecessors, (11793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:31:31,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8937 states to 8937 states and 11793 transitions. [2022-11-20 09:31:31,334 INFO L78 Accepts]: Start accepts. Automaton has 8937 states and 11793 transitions. Word has length 69 [2022-11-20 09:31:31,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:31,334 INFO L495 AbstractCegarLoop]: Abstraction has 8937 states and 11793 transitions. [2022-11-20 09:31:31,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 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) [2022-11-20 09:31:31,335 INFO L276 IsEmpty]: Start isEmpty. Operand 8937 states and 11793 transitions. [2022-11-20 09:31:31,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-20 09:31:31,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:31,344 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] [2022-11-20 09:31:31,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 09:31:31,344 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:31:31,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:31,345 INFO L85 PathProgramCache]: Analyzing trace with hash -465119641, now seen corresponding path program 1 times [2022-11-20 09:31:31,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:31,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592168014] [2022-11-20 09:31:31,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:31,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:32,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:31:32,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:32,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592168014] [2022-11-20 09:31:32,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592168014] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:32,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:32,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-20 09:31:32,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766963249] [2022-11-20 09:31:32,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:32,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 09:31:32,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:32,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 09:31:32,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-11-20 09:31:32,063 INFO L87 Difference]: Start difference. First operand 8937 states and 11793 transitions. Second operand has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 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) [2022-11-20 09:31:41,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:41,163 INFO L93 Difference]: Finished difference Result 24526 states and 34369 transitions. [2022-11-20 09:31:41,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-20 09:31:41,164 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 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 [2022-11-20 09:31:41,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:41,191 INFO L225 Difference]: With dead ends: 24526 [2022-11-20 09:31:41,191 INFO L226 Difference]: Without dead ends: 23111 [2022-11-20 09:31:41,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=270, Invalid=660, Unknown=0, NotChecked=0, Total=930 [2022-11-20 09:31:41,197 INFO L413 NwaCegarLoop]: 2510 mSDtfsCounter, 23697 mSDsluCounter, 9044 mSDsCounter, 0 mSdLazyCounter, 2702 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23697 SdHoareTripleChecker+Valid, 11554 SdHoareTripleChecker+Invalid, 2771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 2702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:41,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23697 Valid, 11554 Invalid, 2771 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [69 Valid, 2702 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-20 09:31:41,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23111 states. [2022-11-20 09:31:42,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23111 to 8868. [2022-11-20 09:31:42,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8868 states, 8853 states have (on average 1.3218118152038858) internal successors, (11702), 8867 states have internal predecessors, (11702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:31:42,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8868 states to 8868 states and 11702 transitions. [2022-11-20 09:31:42,879 INFO L78 Accepts]: Start accepts. Automaton has 8868 states and 11702 transitions. Word has length 69 [2022-11-20 09:31:42,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:42,880 INFO L495 AbstractCegarLoop]: Abstraction has 8868 states and 11702 transitions. [2022-11-20 09:31:42,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 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) [2022-11-20 09:31:42,880 INFO L276 IsEmpty]: Start isEmpty. Operand 8868 states and 11702 transitions. [2022-11-20 09:31:42,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-20 09:31:42,890 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:42,890 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] [2022-11-20 09:31:42,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 09:31:42,890 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:31:42,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:42,891 INFO L85 PathProgramCache]: Analyzing trace with hash 215127807, now seen corresponding path program 1 times [2022-11-20 09:31:42,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:42,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173866536] [2022-11-20 09:31:42,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:42,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:43,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:31:43,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:43,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173866536] [2022-11-20 09:31:43,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173866536] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:43,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:43,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-20 09:31:43,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133296582] [2022-11-20 09:31:43,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:43,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 09:31:43,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:43,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 09:31:43,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:31:43,796 INFO L87 Difference]: Start difference. First operand 8868 states and 11702 transitions. Second operand has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 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) [2022-11-20 09:31:56,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:56,299 INFO L93 Difference]: Finished difference Result 25460 states and 35982 transitions. [2022-11-20 09:31:56,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-20 09:31:56,299 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 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 [2022-11-20 09:31:56,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:56,328 INFO L225 Difference]: With dead ends: 25460 [2022-11-20 09:31:56,329 INFO L226 Difference]: Without dead ends: 23881 [2022-11-20 09:31:56,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=263, Invalid=667, Unknown=0, NotChecked=0, Total=930 [2022-11-20 09:31:56,336 INFO L413 NwaCegarLoop]: 3045 mSDtfsCounter, 16973 mSDsluCounter, 15571 mSDsCounter, 0 mSdLazyCounter, 3988 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16973 SdHoareTripleChecker+Valid, 18616 SdHoareTripleChecker+Invalid, 4058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 3988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:56,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16973 Valid, 18616 Invalid, 4058 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [70 Valid, 3988 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-20 09:31:56,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23881 states. [2022-11-20 09:31:58,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23881 to 8635. [2022-11-20 09:31:58,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8635 states, 8621 states have (on average 1.3195684955341607) internal successors, (11376), 8634 states have internal predecessors, (11376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:31:58,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8635 states to 8635 states and 11376 transitions. [2022-11-20 09:31:58,281 INFO L78 Accepts]: Start accepts. Automaton has 8635 states and 11376 transitions. Word has length 70 [2022-11-20 09:31:58,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:58,282 INFO L495 AbstractCegarLoop]: Abstraction has 8635 states and 11376 transitions. [2022-11-20 09:31:58,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 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) [2022-11-20 09:31:58,282 INFO L276 IsEmpty]: Start isEmpty. Operand 8635 states and 11376 transitions. [2022-11-20 09:31:58,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-20 09:31:58,291 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:58,291 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] [2022-11-20 09:31:58,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 09:31:58,292 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:31:58,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:58,293 INFO L85 PathProgramCache]: Analyzing trace with hash 502084112, now seen corresponding path program 1 times [2022-11-20 09:31:58,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:58,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076389965] [2022-11-20 09:31:58,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:58,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:59,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:31:59,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:59,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076389965] [2022-11-20 09:31:59,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076389965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:59,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:59,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-20 09:31:59,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24174353] [2022-11-20 09:31:59,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:59,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 09:31:59,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:59,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 09:31:59,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:31:59,183 INFO L87 Difference]: Start difference. First operand 8635 states and 11376 transitions. Second operand has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 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) [2022-11-20 09:32:09,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:09,799 INFO L93 Difference]: Finished difference Result 19804 states and 27582 transitions. [2022-11-20 09:32:09,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 09:32:09,799 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 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 [2022-11-20 09:32:09,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:09,820 INFO L225 Difference]: With dead ends: 19804 [2022-11-20 09:32:09,820 INFO L226 Difference]: Without dead ends: 19792 [2022-11-20 09:32:09,823 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 [2022-11-20 09:32:09,824 INFO L413 NwaCegarLoop]: 2630 mSDtfsCounter, 16866 mSDsluCounter, 12496 mSDsCounter, 0 mSdLazyCounter, 3404 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16866 SdHoareTripleChecker+Valid, 15126 SdHoareTripleChecker+Invalid, 3474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 3404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:09,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16866 Valid, 15126 Invalid, 3474 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [70 Valid, 3404 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-20 09:32:09,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19792 states. [2022-11-20 09:32:11,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19792 to 8628. [2022-11-20 09:32:11,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8628 states, 8614 states have (on average 1.3197120965869515) internal successors, (11368), 8627 states have internal predecessors, (11368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:11,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8628 states to 8628 states and 11368 transitions. [2022-11-20 09:32:11,590 INFO L78 Accepts]: Start accepts. Automaton has 8628 states and 11368 transitions. Word has length 70 [2022-11-20 09:32:11,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:11,591 INFO L495 AbstractCegarLoop]: Abstraction has 8628 states and 11368 transitions. [2022-11-20 09:32:11,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 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) [2022-11-20 09:32:11,591 INFO L276 IsEmpty]: Start isEmpty. Operand 8628 states and 11368 transitions. [2022-11-20 09:32:11,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-20 09:32:11,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:11,598 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] [2022-11-20 09:32:11,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 09:32:11,598 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:32:11,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:11,599 INFO L85 PathProgramCache]: Analyzing trace with hash -683220265, now seen corresponding path program 1 times [2022-11-20 09:32:11,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:11,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591935102] [2022-11-20 09:32:11,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:11,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:11,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:11,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:11,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591935102] [2022-11-20 09:32:11,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591935102] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:11,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:11,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:32:11,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492231427] [2022-11-20 09:32:11,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:11,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:32:11,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:11,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:32:11,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:32:11,697 INFO L87 Difference]: Start difference. First operand 8628 states and 11368 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) [2022-11-20 09:32:13,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:13,864 INFO L93 Difference]: Finished difference Result 12563 states and 16874 transitions. [2022-11-20 09:32:13,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:32:13,864 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 [2022-11-20 09:32:13,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:13,873 INFO L225 Difference]: With dead ends: 12563 [2022-11-20 09:32:13,873 INFO L226 Difference]: Without dead ends: 7645 [2022-11-20 09:32:13,877 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 [2022-11-20 09:32:13,878 INFO L413 NwaCegarLoop]: 1950 mSDtfsCounter, 1923 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1923 SdHoareTripleChecker+Valid, 2623 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:13,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1923 Valid, 2623 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:32:13,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7645 states. [2022-11-20 09:32:15,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7645 to 7626. [2022-11-20 09:32:15,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7626 states, 7616 states have (on average 1.337841386554622) internal successors, (10189), 7625 states have internal predecessors, (10189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:15,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7626 states to 7626 states and 10189 transitions. [2022-11-20 09:32:15,794 INFO L78 Accepts]: Start accepts. Automaton has 7626 states and 10189 transitions. Word has length 70 [2022-11-20 09:32:15,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:15,794 INFO L495 AbstractCegarLoop]: Abstraction has 7626 states and 10189 transitions. [2022-11-20 09:32:15,794 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) [2022-11-20 09:32:15,795 INFO L276 IsEmpty]: Start isEmpty. Operand 7626 states and 10189 transitions. [2022-11-20 09:32:15,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 09:32:15,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:15,800 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] [2022-11-20 09:32:15,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 09:32:15,800 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:32:15,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:15,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1404122129, now seen corresponding path program 1 times [2022-11-20 09:32:15,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:15,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934302507] [2022-11-20 09:32:15,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:15,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:16,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:16,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:16,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934302507] [2022-11-20 09:32:16,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934302507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:16,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:16,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 09:32:16,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339091541] [2022-11-20 09:32:16,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:16,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:32:16,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:16,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:32:16,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:32:16,212 INFO L87 Difference]: Start difference. First operand 7626 states and 10189 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) [2022-11-20 09:32:24,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:24,500 INFO L93 Difference]: Finished difference Result 15142 states and 21091 transitions. [2022-11-20 09:32:24,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 09:32:24,500 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 [2022-11-20 09:32:24,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:24,516 INFO L225 Difference]: With dead ends: 15142 [2022-11-20 09:32:24,516 INFO L226 Difference]: Without dead ends: 13134 [2022-11-20 09:32:24,519 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 [2022-11-20 09:32:24,520 INFO L413 NwaCegarLoop]: 1143 mSDtfsCounter, 11085 mSDsluCounter, 3688 mSDsCounter, 0 mSdLazyCounter, 4237 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11085 SdHoareTripleChecker+Valid, 4831 SdHoareTripleChecker+Invalid, 4286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 4237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:24,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11085 Valid, 4831 Invalid, 4286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 4237 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-20 09:32:24,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13134 states. [2022-11-20 09:32:26,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13134 to 7626. [2022-11-20 09:32:26,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7626 states, 7616 states have (on average 1.3377100840336134) internal successors, (10188), 7625 states have internal predecessors, (10188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:26,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7626 states to 7626 states and 10188 transitions. [2022-11-20 09:32:26,704 INFO L78 Accepts]: Start accepts. Automaton has 7626 states and 10188 transitions. Word has length 71 [2022-11-20 09:32:26,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:26,704 INFO L495 AbstractCegarLoop]: Abstraction has 7626 states and 10188 transitions. [2022-11-20 09:32:26,705 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) [2022-11-20 09:32:26,705 INFO L276 IsEmpty]: Start isEmpty. Operand 7626 states and 10188 transitions. [2022-11-20 09:32:26,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 09:32:26,712 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:26,712 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] [2022-11-20 09:32:26,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 09:32:26,713 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)] === [2022-11-20 09:32:26,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:26,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1017361466, now seen corresponding path program 1 times [2022-11-20 09:32:26,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:26,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610018302] [2022-11-20 09:32:26,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:26,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:27,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:27,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:27,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610018302] [2022-11-20 09:32:27,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610018302] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:27,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:27,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 09:32:27,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971774433] [2022-11-20 09:32:27,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:27,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:32:27,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:27,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:32:27,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:32:27,157 INFO L87 Difference]: Start difference. First operand 7626 states and 10188 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) [2022-11-20 09:32:39,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:39,579 INFO L93 Difference]: Finished difference Result 18792 states and 26289 transitions. [2022-11-20 09:32:39,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 09:32:39,580 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 [2022-11-20 09:32:39,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:39,600 INFO L225 Difference]: With dead ends: 18792 [2022-11-20 09:32:39,600 INFO L226 Difference]: Without dead ends: 16715 [2022-11-20 09:32:39,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-20 09:32:39,605 INFO L413 NwaCegarLoop]: 1225 mSDtfsCounter, 9431 mSDsluCounter, 5512 mSDsCounter, 0 mSdLazyCounter, 6453 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9431 SdHoareTripleChecker+Valid, 6737 SdHoareTripleChecker+Invalid, 6531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 6453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:39,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9431 Valid, 6737 Invalid, 6531 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [78 Valid, 6453 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-20 09:32:39,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16715 states. [2022-11-20 09:32:42,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16715 to 7626. [2022-11-20 09:32:42,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7626 states, 7616 states have (on average 1.337578781512605) internal successors, (10187), 7625 states have internal predecessors, (10187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:42,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7626 states to 7626 states and 10187 transitions. [2022-11-20 09:32:42,018 INFO L78 Accepts]: Start accepts. Automaton has 7626 states and 10187 transitions. Word has length 71 [2022-11-20 09:32:42,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:42,018 INFO L495 AbstractCegarLoop]: Abstraction has 7626 states and 10187 transitions. [2022-11-20 09:32:42,018 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) [2022-11-20 09:32:42,018 INFO L276 IsEmpty]: Start isEmpty. Operand 7626 states and 10187 transitions. [2022-11-20 09:32:42,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 09:32:42,023 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:42,023 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] [2022-11-20 09:32:42,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 09:32:42,023 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:32:42,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:42,024 INFO L85 PathProgramCache]: Analyzing trace with hash 325375151, now seen corresponding path program 1 times [2022-11-20 09:32:42,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:42,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756093928] [2022-11-20 09:32:42,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:42,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:42,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:42,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:42,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756093928] [2022-11-20 09:32:42,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756093928] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:42,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:42,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 09:32:42,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622612844] [2022-11-20 09:32:42,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:42,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 09:32:42,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:42,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 09:32:42,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-20 09:32:42,458 INFO L87 Difference]: Start difference. First operand 7626 states and 10187 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 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) [2022-11-20 09:32:50,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:50,641 INFO L93 Difference]: Finished difference Result 14599 states and 20459 transitions. [2022-11-20 09:32:50,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 09:32:50,641 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 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 [2022-11-20 09:32:50,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:50,655 INFO L225 Difference]: With dead ends: 14599 [2022-11-20 09:32:50,655 INFO L226 Difference]: Without dead ends: 12178 [2022-11-20 09:32:50,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-11-20 09:32:50,660 INFO L413 NwaCegarLoop]: 1154 mSDtfsCounter, 9125 mSDsluCounter, 3230 mSDsCounter, 0 mSdLazyCounter, 3484 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9125 SdHoareTripleChecker+Valid, 4384 SdHoareTripleChecker+Invalid, 3495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 3484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:50,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9125 Valid, 4384 Invalid, 3495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 3484 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-20 09:32:50,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12178 states. [2022-11-20 09:32:52,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12178 to 7626. [2022-11-20 09:32:52,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7626 states, 7616 states have (on average 1.3374474789915967) internal successors, (10186), 7625 states have internal predecessors, (10186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:52,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7626 states to 7626 states and 10186 transitions. [2022-11-20 09:32:52,927 INFO L78 Accepts]: Start accepts. Automaton has 7626 states and 10186 transitions. Word has length 71 [2022-11-20 09:32:52,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:52,927 INFO L495 AbstractCegarLoop]: Abstraction has 7626 states and 10186 transitions. [2022-11-20 09:32:52,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 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) [2022-11-20 09:32:52,928 INFO L276 IsEmpty]: Start isEmpty. Operand 7626 states and 10186 transitions. [2022-11-20 09:32:52,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 09:32:52,935 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:52,935 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] [2022-11-20 09:32:52,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 09:32:52,936 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:32:52,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:52,936 INFO L85 PathProgramCache]: Analyzing trace with hash 912295609, now seen corresponding path program 1 times [2022-11-20 09:32:52,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:52,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591375369] [2022-11-20 09:32:52,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:52,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:53,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:53,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:53,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591375369] [2022-11-20 09:32:53,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591375369] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:53,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:53,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:32:53,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581770956] [2022-11-20 09:32:53,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:53,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:32:53,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:53,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:32:53,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:32:53,105 INFO L87 Difference]: Start difference. First operand 7626 states and 10186 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 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) [2022-11-20 09:32:56,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:56,221 INFO L93 Difference]: Finished difference Result 12203 states and 16633 transitions. [2022-11-20 09:32:56,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:32:56,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 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 [2022-11-20 09:32:56,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:56,231 INFO L225 Difference]: With dead ends: 12203 [2022-11-20 09:32:56,231 INFO L226 Difference]: Without dead ends: 7439 [2022-11-20 09:32:56,235 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 [2022-11-20 09:32:56,236 INFO L413 NwaCegarLoop]: 1545 mSDtfsCounter, 1522 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1522 SdHoareTripleChecker+Valid, 2011 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:56,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1522 Valid, 2011 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:32:56,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7439 states. [2022-11-20 09:32:58,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7439 to 7431. [2022-11-20 09:32:58,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7431 states, 7424 states have (on average 1.3615301724137931) internal successors, (10108), 7430 states have internal predecessors, (10108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:58,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7431 states to 7431 states and 10108 transitions. [2022-11-20 09:32:58,932 INFO L78 Accepts]: Start accepts. Automaton has 7431 states and 10108 transitions. Word has length 71 [2022-11-20 09:32:58,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:58,933 INFO L495 AbstractCegarLoop]: Abstraction has 7431 states and 10108 transitions. [2022-11-20 09:32:58,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 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) [2022-11-20 09:32:58,933 INFO L276 IsEmpty]: Start isEmpty. Operand 7431 states and 10108 transitions. [2022-11-20 09:32:58,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 09:32:58,938 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:58,939 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] [2022-11-20 09:32:58,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 09:32:58,939 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:32:58,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:58,939 INFO L85 PathProgramCache]: Analyzing trace with hash 2097366389, now seen corresponding path program 1 times [2022-11-20 09:32:58,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:58,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243721299] [2022-11-20 09:32:58,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:58,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:59,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:59,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:59,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243721299] [2022-11-20 09:32:59,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243721299] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:59,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:59,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:32:59,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943147592] [2022-11-20 09:32:59,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:59,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:32:59,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:59,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:32:59,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:32:59,077 INFO L87 Difference]: Start difference. First operand 7431 states and 10108 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 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) [2022-11-20 09:33:04,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:04,009 INFO L93 Difference]: Finished difference Result 15591 states and 21752 transitions. [2022-11-20 09:33:04,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:04,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 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 [2022-11-20 09:33:04,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:04,029 INFO L225 Difference]: With dead ends: 15591 [2022-11-20 09:33:04,030 INFO L226 Difference]: Without dead ends: 11588 [2022-11-20 09:33:04,033 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 [2022-11-20 09:33:04,034 INFO L413 NwaCegarLoop]: 1716 mSDtfsCounter, 1021 mSDsluCounter, 1300 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1021 SdHoareTripleChecker+Valid, 3016 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:04,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1021 Valid, 3016 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:33:04,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11588 states. [2022-11-20 09:33:08,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11588 to 11580. [2022-11-20 09:33:08,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11580 states, 11573 states have (on average 1.3706039920504622) internal successors, (15862), 11579 states have internal predecessors, (15862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:08,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11580 states to 11580 states and 15862 transitions. [2022-11-20 09:33:08,583 INFO L78 Accepts]: Start accepts. Automaton has 11580 states and 15862 transitions. Word has length 72 [2022-11-20 09:33:08,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:08,584 INFO L495 AbstractCegarLoop]: Abstraction has 11580 states and 15862 transitions. [2022-11-20 09:33:08,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 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) [2022-11-20 09:33:08,584 INFO L276 IsEmpty]: Start isEmpty. Operand 11580 states and 15862 transitions. [2022-11-20 09:33:08,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 09:33:08,588 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:08,589 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] [2022-11-20 09:33:08,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 09:33:08,589 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)] === [2022-11-20 09:33:08,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:08,589 INFO L85 PathProgramCache]: Analyzing trace with hash -804939217, now seen corresponding path program 1 times [2022-11-20 09:33:08,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:08,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251915012] [2022-11-20 09:33:08,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:08,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:08,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:08,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:08,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251915012] [2022-11-20 09:33:08,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251915012] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:08,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:08,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:33:08,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302981153] [2022-11-20 09:33:08,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:08,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:08,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:08,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:08,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:08,707 INFO L87 Difference]: Start difference. First operand 11580 states and 15862 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 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) [2022-11-20 09:33:16,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:16,510 INFO L93 Difference]: Finished difference Result 20106 states and 28655 transitions. [2022-11-20 09:33:16,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:16,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 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 [2022-11-20 09:33:16,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:16,529 INFO L225 Difference]: With dead ends: 20106 [2022-11-20 09:33:16,529 INFO L226 Difference]: Without dead ends: 13738 [2022-11-20 09:33:16,534 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 [2022-11-20 09:33:16,534 INFO L413 NwaCegarLoop]: 1622 mSDtfsCounter, 933 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 2354 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:16,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [933 Valid, 2354 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:33:16,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13738 states. [2022-11-20 09:33:22,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13738 to 11086. [2022-11-20 09:33:22,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11086 states, 11079 states have (on average 1.396154887625237) internal successors, (15468), 11085 states have internal predecessors, (15468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:22,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11086 states to 11086 states and 15468 transitions. [2022-11-20 09:33:22,236 INFO L78 Accepts]: Start accepts. Automaton has 11086 states and 15468 transitions. Word has length 72 [2022-11-20 09:33:22,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:22,236 INFO L495 AbstractCegarLoop]: Abstraction has 11086 states and 15468 transitions. [2022-11-20 09:33:22,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 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) [2022-11-20 09:33:22,237 INFO L276 IsEmpty]: Start isEmpty. Operand 11086 states and 15468 transitions. [2022-11-20 09:33:22,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 09:33:22,240 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:22,240 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] [2022-11-20 09:33:22,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 09:33:22,240 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:33:22,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:22,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1735047217, now seen corresponding path program 1 times [2022-11-20 09:33:22,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:22,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341234161] [2022-11-20 09:33:22,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:22,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:22,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:22,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:22,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341234161] [2022-11-20 09:33:22,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341234161] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:22,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:22,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:33:22,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201607220] [2022-11-20 09:33:22,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:22,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:22,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:22,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:22,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:22,337 INFO L87 Difference]: Start difference. First operand 11086 states and 15468 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 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) [2022-11-20 09:33:32,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:32,498 INFO L93 Difference]: Finished difference Result 25777 states and 36676 transitions. [2022-11-20 09:33:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:32,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 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 [2022-11-20 09:33:32,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:32,517 INFO L225 Difference]: With dead ends: 25777 [2022-11-20 09:33:32,517 INFO L226 Difference]: Without dead ends: 17652 [2022-11-20 09:33:32,524 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 [2022-11-20 09:33:32,524 INFO L413 NwaCegarLoop]: 1788 mSDtfsCounter, 866 mSDsluCounter, 1223 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 3011 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:32,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 3011 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:33:32,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17652 states. [2022-11-20 09:33:41,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17652 to 17644. [2022-11-20 09:33:41,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17644 states, 17637 states have (on average 1.3947383341838182) internal successors, (24599), 17643 states have internal predecessors, (24599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:41,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17644 states to 17644 states and 24599 transitions. [2022-11-20 09:33:41,608 INFO L78 Accepts]: Start accepts. Automaton has 17644 states and 24599 transitions. Word has length 72 [2022-11-20 09:33:41,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:41,608 INFO L495 AbstractCegarLoop]: Abstraction has 17644 states and 24599 transitions. [2022-11-20 09:33:41,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 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) [2022-11-20 09:33:41,608 INFO L276 IsEmpty]: Start isEmpty. Operand 17644 states and 24599 transitions. [2022-11-20 09:33:41,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 09:33:41,612 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:41,612 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] [2022-11-20 09:33:41,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-20 09:33:41,613 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:33:41,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:41,613 INFO L85 PathProgramCache]: Analyzing trace with hash -746860976, now seen corresponding path program 1 times [2022-11-20 09:33:41,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:41,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211837259] [2022-11-20 09:33:41,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:41,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:41,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:41,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:41,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211837259] [2022-11-20 09:33:41,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211837259] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:41,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:41,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:33:41,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410195801] [2022-11-20 09:33:41,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:41,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:41,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:41,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:41,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:41,755 INFO L87 Difference]: Start difference. First operand 17644 states and 24599 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:53,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:53,196 INFO L93 Difference]: Finished difference Result 35075 states and 49603 transitions. [2022-11-20 09:33:53,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:53,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-11-20 09:33:53,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:53,220 INFO L225 Difference]: With dead ends: 35075 [2022-11-20 09:33:53,220 INFO L226 Difference]: Without dead ends: 19281 [2022-11-20 09:33:53,231 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 [2022-11-20 09:33:53,232 INFO L413 NwaCegarLoop]: 1515 mSDtfsCounter, 1255 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1255 SdHoareTripleChecker+Valid, 2113 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:53,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1255 Valid, 2113 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:33:53,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19281 states. [2022-11-20 09:34:02,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19281 to 15437. [2022-11-20 09:34:02,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15437 states, 15430 states have (on average 1.4129617627997408) internal successors, (21802), 15436 states have internal predecessors, (21802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:02,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15437 states to 15437 states and 21802 transitions. [2022-11-20 09:34:02,298 INFO L78 Accepts]: Start accepts. Automaton has 15437 states and 21802 transitions. Word has length 73 [2022-11-20 09:34:02,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:02,298 INFO L495 AbstractCegarLoop]: Abstraction has 15437 states and 21802 transitions. [2022-11-20 09:34:02,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:02,298 INFO L276 IsEmpty]: Start isEmpty. Operand 15437 states and 21802 transitions. [2022-11-20 09:34:02,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 09:34:02,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:02,302 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] [2022-11-20 09:34:02,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 09:34:02,302 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:34:02,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:02,302 INFO L85 PathProgramCache]: Analyzing trace with hash 202006294, now seen corresponding path program 1 times [2022-11-20 09:34:02,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:02,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058698166] [2022-11-20 09:34:02,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:02,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:02,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:02,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:02,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058698166] [2022-11-20 09:34:02,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058698166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:02,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:34:02,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 09:34:02,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689948397] [2022-11-20 09:34:02,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:02,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:34:02,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:02,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:34:02,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:34:02,726 INFO L87 Difference]: Start difference. First operand 15437 states and 21802 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 8 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:17,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:17,261 INFO L93 Difference]: Finished difference Result 20127 states and 28268 transitions. [2022-11-20 09:34:17,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 09:34:17,264 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 8 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-11-20 09:34:17,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:17,287 INFO L225 Difference]: With dead ends: 20127 [2022-11-20 09:34:17,287 INFO L226 Difference]: Without dead ends: 19917 [2022-11-20 09:34:17,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-20 09:34:17,292 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 7629 mSDsluCounter, 2830 mSDsCounter, 0 mSdLazyCounter, 2774 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7629 SdHoareTripleChecker+Valid, 3706 SdHoareTripleChecker+Invalid, 2793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:17,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7629 Valid, 3706 Invalid, 2793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2774 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-20 09:34:17,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19917 states. [2022-11-20 09:34:25,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19917 to 15432. [2022-11-20 09:34:25,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15432 states, 15425 states have (on average 1.412836304700162) internal successors, (21793), 15431 states have internal predecessors, (21793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:25,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15432 states to 15432 states and 21793 transitions. [2022-11-20 09:34:25,831 INFO L78 Accepts]: Start accepts. Automaton has 15432 states and 21793 transitions. Word has length 73 [2022-11-20 09:34:25,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:25,831 INFO L495 AbstractCegarLoop]: Abstraction has 15432 states and 21793 transitions. [2022-11-20 09:34:25,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 8 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:25,832 INFO L276 IsEmpty]: Start isEmpty. Operand 15432 states and 21793 transitions. [2022-11-20 09:34:25,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 09:34:25,834 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:25,835 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] [2022-11-20 09:34:25,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-20 09:34:25,835 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:34:25,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:25,835 INFO L85 PathProgramCache]: Analyzing trace with hash 33022288, now seen corresponding path program 1 times [2022-11-20 09:34:25,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:25,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945067286] [2022-11-20 09:34:25,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:25,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:25,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:25,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:25,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945067286] [2022-11-20 09:34:25,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945067286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:25,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:34:25,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:34:25,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254187599] [2022-11-20 09:34:25,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:25,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:34:25,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:25,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:34:25,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:34:25,929 INFO L87 Difference]: Start difference. First operand 15432 states and 21793 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:35,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:35,905 INFO L93 Difference]: Finished difference Result 31667 states and 45320 transitions. [2022-11-20 09:34:35,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:34:35,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-11-20 09:34:35,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:35,927 INFO L225 Difference]: With dead ends: 31667 [2022-11-20 09:34:35,927 INFO L226 Difference]: Without dead ends: 17490 [2022-11-20 09:34:35,938 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 [2022-11-20 09:34:35,939 INFO L413 NwaCegarLoop]: 1368 mSDtfsCounter, 1309 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1309 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:35,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1309 Valid, 1873 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:34:35,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17490 states. [2022-11-20 09:34:43,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17490 to 14011. [2022-11-20 09:34:43,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14011 states, 14004 states have (on average 1.429020279920023) internal successors, (20012), 14010 states have internal predecessors, (20012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:43,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14011 states to 14011 states and 20012 transitions. [2022-11-20 09:34:43,111 INFO L78 Accepts]: Start accepts. Automaton has 14011 states and 20012 transitions. Word has length 73 [2022-11-20 09:34:43,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:43,112 INFO L495 AbstractCegarLoop]: Abstraction has 14011 states and 20012 transitions. [2022-11-20 09:34:43,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:43,112 INFO L276 IsEmpty]: Start isEmpty. Operand 14011 states and 20012 transitions. [2022-11-20 09:34:43,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-20 09:34:43,115 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:43,115 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] [2022-11-20 09:34:43,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-20 09:34:43,116 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)] === [2022-11-20 09:34:43,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:43,117 INFO L85 PathProgramCache]: Analyzing trace with hash -361494476, now seen corresponding path program 1 times [2022-11-20 09:34:43,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:43,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66220828] [2022-11-20 09:34:43,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:43,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:43,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:43,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66220828] [2022-11-20 09:34:43,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66220828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:43,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:34:43,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 09:34:43,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143280667] [2022-11-20 09:34:43,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:43,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:34:43,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:43,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:34:43,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:34:43,487 INFO L87 Difference]: Start difference. First operand 14011 states and 20012 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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) [2022-11-20 09:35:02,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:02,136 INFO L93 Difference]: Finished difference Result 23848 states and 33846 transitions. [2022-11-20 09:35:02,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 09:35:02,137 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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 [2022-11-20 09:35:02,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:02,160 INFO L225 Difference]: With dead ends: 23848 [2022-11-20 09:35:02,160 INFO L226 Difference]: Without dead ends: 23558 [2022-11-20 09:35:02,164 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 [2022-11-20 09:35:02,164 INFO L413 NwaCegarLoop]: 1062 mSDtfsCounter, 5429 mSDsluCounter, 3107 mSDsCounter, 0 mSdLazyCounter, 3481 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5429 SdHoareTripleChecker+Valid, 4169 SdHoareTripleChecker+Invalid, 3526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 3481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:02,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5429 Valid, 4169 Invalid, 3526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 3481 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-20 09:35:02,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23558 states. [2022-11-20 09:35:09,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23558 to 14011. [2022-11-20 09:35:09,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14011 states, 14004 states have (on average 1.4289488717509282) internal successors, (20011), 14010 states have internal predecessors, (20011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:09,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14011 states to 14011 states and 20011 transitions. [2022-11-20 09:35:09,765 INFO L78 Accepts]: Start accepts. Automaton has 14011 states and 20011 transitions. Word has length 74 [2022-11-20 09:35:09,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:09,765 INFO L495 AbstractCegarLoop]: Abstraction has 14011 states and 20011 transitions. [2022-11-20 09:35:09,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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) [2022-11-20 09:35:09,766 INFO L276 IsEmpty]: Start isEmpty. Operand 14011 states and 20011 transitions. [2022-11-20 09:35:09,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-20 09:35:09,768 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:09,768 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] [2022-11-20 09:35:09,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-20 09:35:09,768 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:35:09,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:09,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1074090996, now seen corresponding path program 1 times [2022-11-20 09:35:09,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:09,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716353684] [2022-11-20 09:35:09,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:09,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:10,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:10,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:10,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716353684] [2022-11-20 09:35:10,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716353684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:10,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:10,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 09:35:10,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129613847] [2022-11-20 09:35:10,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:10,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:35:10,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:10,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:35:10,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:35:10,129 INFO L87 Difference]: Start difference. First operand 14011 states and 20011 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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) [2022-11-20 09:35:22,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:22,308 INFO L93 Difference]: Finished difference Result 18333 states and 26030 transitions. [2022-11-20 09:35:22,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 09:35:22,309 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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 [2022-11-20 09:35:22,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:22,327 INFO L225 Difference]: With dead ends: 18333 [2022-11-20 09:35:22,327 INFO L226 Difference]: Without dead ends: 18122 [2022-11-20 09:35:22,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-20 09:35:22,330 INFO L413 NwaCegarLoop]: 852 mSDtfsCounter, 7261 mSDsluCounter, 2722 mSDsCounter, 0 mSdLazyCounter, 2660 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7261 SdHoareTripleChecker+Valid, 3574 SdHoareTripleChecker+Invalid, 2679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:22,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7261 Valid, 3574 Invalid, 2679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2660 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-20 09:35:22,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18122 states. [2022-11-20 09:35:29,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18122 to 14011. [2022-11-20 09:35:29,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14011 states, 14004 states have (on average 1.4288774635818338) internal successors, (20010), 14010 states have internal predecessors, (20010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:29,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14011 states to 14011 states and 20010 transitions. [2022-11-20 09:35:29,562 INFO L78 Accepts]: Start accepts. Automaton has 14011 states and 20010 transitions. Word has length 74 [2022-11-20 09:35:29,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:29,562 INFO L495 AbstractCegarLoop]: Abstraction has 14011 states and 20010 transitions. [2022-11-20 09:35:29,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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) [2022-11-20 09:35:29,563 INFO L276 IsEmpty]: Start isEmpty. Operand 14011 states and 20010 transitions. [2022-11-20 09:35:29,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-20 09:35:29,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:29,565 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] [2022-11-20 09:35:29,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-20 09:35:29,565 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:35:29,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:29,566 INFO L85 PathProgramCache]: Analyzing trace with hash -281417774, now seen corresponding path program 1 times [2022-11-20 09:35:29,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:29,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322934718] [2022-11-20 09:35:29,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:29,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:29,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:29,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:29,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322934718] [2022-11-20 09:35:29,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322934718] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:29,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:29,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 09:35:29,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153007168] [2022-11-20 09:35:29,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:29,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:35:29,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:29,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:35:29,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:35:29,971 INFO L87 Difference]: Start difference. First operand 14011 states and 20010 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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) [2022-11-20 09:35:42,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:42,247 INFO L93 Difference]: Finished difference Result 18441 states and 26142 transitions. [2022-11-20 09:35:42,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 09:35:42,248 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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 [2022-11-20 09:35:42,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:42,267 INFO L225 Difference]: With dead ends: 18441 [2022-11-20 09:35:42,268 INFO L226 Difference]: Without dead ends: 18208 [2022-11-20 09:35:42,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-20 09:35:42,271 INFO L413 NwaCegarLoop]: 910 mSDtfsCounter, 6937 mSDsluCounter, 2869 mSDsCounter, 0 mSdLazyCounter, 2914 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6937 SdHoareTripleChecker+Valid, 3779 SdHoareTripleChecker+Invalid, 2935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:42,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6937 Valid, 3779 Invalid, 2935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2914 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-20 09:35:42,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18208 states. [2022-11-20 09:35:49,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18208 to 14011. [2022-11-20 09:35:49,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14011 states, 14004 states have (on average 1.4288060554127393) internal successors, (20009), 14010 states have internal predecessors, (20009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:49,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14011 states to 14011 states and 20009 transitions. [2022-11-20 09:35:49,630 INFO L78 Accepts]: Start accepts. Automaton has 14011 states and 20009 transitions. Word has length 74 [2022-11-20 09:35:49,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:49,630 INFO L495 AbstractCegarLoop]: Abstraction has 14011 states and 20009 transitions. [2022-11-20 09:35:49,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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) [2022-11-20 09:35:49,631 INFO L276 IsEmpty]: Start isEmpty. Operand 14011 states and 20009 transitions. [2022-11-20 09:35:49,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-20 09:35:49,633 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:49,634 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] [2022-11-20 09:35:49,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-20 09:35:49,634 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:35:49,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:49,635 INFO L85 PathProgramCache]: Analyzing trace with hash -612402544, now seen corresponding path program 1 times [2022-11-20 09:35:49,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:49,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64051953] [2022-11-20 09:35:49,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:49,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:50,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:50,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:50,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64051953] [2022-11-20 09:35:50,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64051953] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:50,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:50,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-20 09:35:50,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873432471] [2022-11-20 09:35:50,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:50,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 09:35:50,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:50,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 09:35:50,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:35:50,234 INFO L87 Difference]: Start difference. First operand 14011 states and 20009 transitions. Second operand has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 11 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) [2022-11-20 09:36:25,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:36:25,969 INFO L93 Difference]: Finished difference Result 52209 states and 75125 transitions. [2022-11-20 09:36:25,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-20 09:36:25,969 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 11 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 [2022-11-20 09:36:25,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:36:26,043 INFO L225 Difference]: With dead ends: 52209 [2022-11-20 09:36:26,044 INFO L226 Difference]: Without dead ends: 51976 [2022-11-20 09:36:26,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=367, Invalid=1039, Unknown=0, NotChecked=0, Total=1406 [2022-11-20 09:36:26,054 INFO L413 NwaCegarLoop]: 1012 mSDtfsCounter, 13077 mSDsluCounter, 3372 mSDsCounter, 0 mSdLazyCounter, 3618 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13077 SdHoareTripleChecker+Valid, 4384 SdHoareTripleChecker+Invalid, 3900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 3618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:36:26,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13077 Valid, 4384 Invalid, 3900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 3618 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-20 09:36:26,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51976 states. [2022-11-20 09:36:34,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51976 to 14016. [2022-11-20 09:36:34,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14016 states, 14009 states have (on average 1.42865300878007) internal successors, (20014), 14015 states have internal predecessors, (20014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:34,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14016 states to 14016 states and 20014 transitions. [2022-11-20 09:36:34,330 INFO L78 Accepts]: Start accepts. Automaton has 14016 states and 20014 transitions. Word has length 74 [2022-11-20 09:36:34,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:36:34,330 INFO L495 AbstractCegarLoop]: Abstraction has 14016 states and 20014 transitions. [2022-11-20 09:36:34,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 11 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) [2022-11-20 09:36:34,331 INFO L276 IsEmpty]: Start isEmpty. Operand 14016 states and 20014 transitions. [2022-11-20 09:36:34,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-20 09:36:34,332 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:36:34,332 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] [2022-11-20 09:36:34,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-20 09:36:34,333 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)] === [2022-11-20 09:36:34,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:34,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1442340775, now seen corresponding path program 1 times [2022-11-20 09:36:34,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:36:34,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691861086] [2022-11-20 09:36:34,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:34,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:36:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:34,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:36:34,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:36:34,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691861086] [2022-11-20 09:36:34,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691861086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:36:34,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:36:34,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 09:36:34,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367358985] [2022-11-20 09:36:34,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:36:34,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:36:34,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:36:34,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:36:34,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:36:34,752 INFO L87 Difference]: Start difference. First operand 14016 states and 20014 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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) [2022-11-20 09:36:48,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:36:48,127 INFO L93 Difference]: Finished difference Result 18338 states and 26033 transitions. [2022-11-20 09:36:48,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 09:36:48,128 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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 [2022-11-20 09:36:48,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:36:48,147 INFO L225 Difference]: With dead ends: 18338 [2022-11-20 09:36:48,147 INFO L226 Difference]: Without dead ends: 18127 [2022-11-20 09:36:48,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-20 09:36:48,151 INFO L413 NwaCegarLoop]: 881 mSDtfsCounter, 7124 mSDsluCounter, 2808 mSDsCounter, 0 mSdLazyCounter, 2704 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7124 SdHoareTripleChecker+Valid, 3689 SdHoareTripleChecker+Invalid, 2723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-20 09:36:48,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7124 Valid, 3689 Invalid, 2723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2704 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-20 09:36:48,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18127 states. [2022-11-20 09:36:56,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18127 to 14016. [2022-11-20 09:36:56,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14016 states, 14009 states have (on average 1.4285816260975088) internal successors, (20013), 14015 states have internal predecessors, (20013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:56,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14016 states to 14016 states and 20013 transitions. [2022-11-20 09:36:56,169 INFO L78 Accepts]: Start accepts. Automaton has 14016 states and 20013 transitions. Word has length 74 [2022-11-20 09:36:56,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:36:56,169 INFO L495 AbstractCegarLoop]: Abstraction has 14016 states and 20013 transitions. [2022-11-20 09:36:56,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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) [2022-11-20 09:36:56,169 INFO L276 IsEmpty]: Start isEmpty. Operand 14016 states and 20013 transitions. [2022-11-20 09:36:56,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-20 09:36:56,171 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:36:56,171 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] [2022-11-20 09:36:56,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-20 09:36:56,172 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:36:56,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:56,172 INFO L85 PathProgramCache]: Analyzing trace with hash 426754260, now seen corresponding path program 1 times [2022-11-20 09:36:56,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:36:56,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418851044] [2022-11-20 09:36:56,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:56,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:36:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:56,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:36:56,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:36:56,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418851044] [2022-11-20 09:36:56,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418851044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:36:56,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:36:56,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 09:36:56,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643852047] [2022-11-20 09:36:56,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:36:56,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:36:56,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:36:56,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:36:56,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:36:56,463 INFO L87 Difference]: Start difference. First operand 14016 states and 20013 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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) [2022-11-20 09:37:09,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:37:09,782 INFO L93 Difference]: Finished difference Result 18338 states and 26032 transitions. [2022-11-20 09:37:09,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 09:37:09,783 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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 [2022-11-20 09:37:09,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:37:09,802 INFO L225 Difference]: With dead ends: 18338 [2022-11-20 09:37:09,802 INFO L226 Difference]: Without dead ends: 18127 [2022-11-20 09:37:09,805 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 [2022-11-20 09:37:09,806 INFO L413 NwaCegarLoop]: 925 mSDtfsCounter, 5336 mSDsluCounter, 2840 mSDsCounter, 0 mSdLazyCounter, 2790 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5336 SdHoareTripleChecker+Valid, 3765 SdHoareTripleChecker+Invalid, 2809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-20 09:37:09,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5336 Valid, 3765 Invalid, 2809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2790 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-20 09:37:09,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18127 states. [2022-11-20 09:37:17,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18127 to 14016. [2022-11-20 09:37:17,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14016 states, 14009 states have (on average 1.4285102434149475) internal successors, (20012), 14015 states have internal predecessors, (20012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:37:17,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14016 states to 14016 states and 20012 transitions. [2022-11-20 09:37:17,804 INFO L78 Accepts]: Start accepts. Automaton has 14016 states and 20012 transitions. Word has length 74 [2022-11-20 09:37:17,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:37:17,804 INFO L495 AbstractCegarLoop]: Abstraction has 14016 states and 20012 transitions. [2022-11-20 09:37:17,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 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) [2022-11-20 09:37:17,804 INFO L276 IsEmpty]: Start isEmpty. Operand 14016 states and 20012 transitions. [2022-11-20 09:37:17,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 09:37:17,806 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:37:17,806 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] [2022-11-20 09:37:17,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-20 09:37:17,806 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:37:17,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:37:17,807 INFO L85 PathProgramCache]: Analyzing trace with hash -125555062, now seen corresponding path program 1 times [2022-11-20 09:37:17,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:37:17,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748024682] [2022-11-20 09:37:17,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:37:17,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:37:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:37:17,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:37:17,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:37:17,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748024682] [2022-11-20 09:37:17,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748024682] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:37:17,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:37:17,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:37:17,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258366269] [2022-11-20 09:37:17,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:37:17,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:37:17,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:37:17,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:37:17,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:37:17,890 INFO L87 Difference]: Start difference. First operand 14016 states and 20012 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 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) [2022-11-20 09:37:29,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:37:29,864 INFO L93 Difference]: Finished difference Result 32682 states and 47345 transitions. [2022-11-20 09:37:29,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:37:29,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 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 [2022-11-20 09:37:29,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:37:29,886 INFO L225 Difference]: With dead ends: 32682 [2022-11-20 09:37:29,886 INFO L226 Difference]: Without dead ends: 20376 [2022-11-20 09:37:29,893 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 [2022-11-20 09:37:29,893 INFO L413 NwaCegarLoop]: 1380 mSDtfsCounter, 861 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 861 SdHoareTripleChecker+Valid, 1928 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:37:29,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [861 Valid, 1928 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:37:29,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20376 states. [2022-11-20 09:37:39,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20376 to 16382. [2022-11-20 09:37:39,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16382 states, 16375 states have (on average 1.422290076335878) internal successors, (23290), 16381 states have internal predecessors, (23290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:37:39,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16382 states to 16382 states and 23290 transitions. [2022-11-20 09:37:39,942 INFO L78 Accepts]: Start accepts. Automaton has 16382 states and 23290 transitions. Word has length 75 [2022-11-20 09:37:39,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:37:39,942 INFO L495 AbstractCegarLoop]: Abstraction has 16382 states and 23290 transitions. [2022-11-20 09:37:39,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 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) [2022-11-20 09:37:39,942 INFO L276 IsEmpty]: Start isEmpty. Operand 16382 states and 23290 transitions. [2022-11-20 09:37:39,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 09:37:39,944 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:37:39,944 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] [2022-11-20 09:37:39,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-20 09:37:39,944 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)] === [2022-11-20 09:37:39,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:37:39,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1549698848, now seen corresponding path program 1 times [2022-11-20 09:37:39,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:37:39,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123664081] [2022-11-20 09:37:39,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:37:39,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:37:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:37:40,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:37:40,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:37:40,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123664081] [2022-11-20 09:37:40,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123664081] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:37:40,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:37:40,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 09:37:40,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792659616] [2022-11-20 09:37:40,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:37:40,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:37:40,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:37:40,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:37:40,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:37:40,204 INFO L87 Difference]: Start difference. First operand 16382 states and 23290 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 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) [2022-11-20 09:37:55,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:37:55,515 INFO L93 Difference]: Finished difference Result 21105 states and 29764 transitions. [2022-11-20 09:37:55,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 09:37:55,515 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 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 [2022-11-20 09:37:55,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:37:55,535 INFO L225 Difference]: With dead ends: 21105 [2022-11-20 09:37:55,535 INFO L226 Difference]: Without dead ends: 21022 [2022-11-20 09:37:55,538 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 [2022-11-20 09:37:55,538 INFO L413 NwaCegarLoop]: 941 mSDtfsCounter, 5616 mSDsluCounter, 2861 mSDsCounter, 0 mSdLazyCounter, 2974 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5616 SdHoareTripleChecker+Valid, 3802 SdHoareTripleChecker+Invalid, 2995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-20 09:37:55,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5616 Valid, 3802 Invalid, 2995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2974 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-20 09:37:55,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21022 states. [2022-11-20 09:38:04,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21022 to 16377. [2022-11-20 09:38:04,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16377 states, 16370 states have (on average 1.4223579718998167) internal successors, (23284), 16376 states have internal predecessors, (23284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:38:04,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16377 states to 16377 states and 23284 transitions. [2022-11-20 09:38:04,987 INFO L78 Accepts]: Start accepts. Automaton has 16377 states and 23284 transitions. Word has length 75 [2022-11-20 09:38:04,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:38:04,987 INFO L495 AbstractCegarLoop]: Abstraction has 16377 states and 23284 transitions. [2022-11-20 09:38:04,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 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) [2022-11-20 09:38:04,987 INFO L276 IsEmpty]: Start isEmpty. Operand 16377 states and 23284 transitions. [2022-11-20 09:38:04,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 09:38:04,989 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:38:04,989 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, 1, 1] [2022-11-20 09:38:04,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-20 09:38:04,990 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:38:04,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:38:04,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1153859535, now seen corresponding path program 1 times [2022-11-20 09:38:04,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:38:04,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210390857] [2022-11-20 09:38:04,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:38:04,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:38:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:38:05,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:38:05,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:38:05,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210390857] [2022-11-20 09:38:05,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210390857] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:38:05,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:38:05,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-20 09:38:05,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7472038] [2022-11-20 09:38:05,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:38:05,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 09:38:05,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:38:05,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 09:38:05,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-20 09:38:05,662 INFO L87 Difference]: Start difference. First operand 16377 states and 23284 transitions. Second operand has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:38:41,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:38:41,562 INFO L93 Difference]: Finished difference Result 48530 states and 69201 transitions. [2022-11-20 09:38:41,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-20 09:38:41,562 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-11-20 09:38:41,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:38:41,616 INFO L225 Difference]: With dead ends: 48530 [2022-11-20 09:38:41,616 INFO L226 Difference]: Without dead ends: 48460 [2022-11-20 09:38:41,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=191, Invalid=621, Unknown=0, NotChecked=0, Total=812 [2022-11-20 09:38:41,623 INFO L413 NwaCegarLoop]: 1467 mSDtfsCounter, 7869 mSDsluCounter, 11484 mSDsCounter, 0 mSdLazyCounter, 1858 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7869 SdHoareTripleChecker+Valid, 12951 SdHoareTripleChecker+Invalid, 1877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:38:41,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7869 Valid, 12951 Invalid, 1877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1858 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 09:38:41,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48460 states. [2022-11-20 09:38:51,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48460 to 16373. [2022-11-20 09:38:51,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16373 states, 16367 states have (on average 1.4223131911773692) internal successors, (23279), 16372 states have internal predecessors, (23279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:38:51,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16373 states to 16373 states and 23279 transitions. [2022-11-20 09:38:51,768 INFO L78 Accepts]: Start accepts. Automaton has 16373 states and 23279 transitions. Word has length 77 [2022-11-20 09:38:51,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:38:51,769 INFO L495 AbstractCegarLoop]: Abstraction has 16373 states and 23279 transitions. [2022-11-20 09:38:51,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:38:51,769 INFO L276 IsEmpty]: Start isEmpty. Operand 16373 states and 23279 transitions. [2022-11-20 09:38:51,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 09:38:51,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:38:51,771 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, 1, 1] [2022-11-20 09:38:51,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-20 09:38:51,772 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:38:51,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:38:51,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1139606206, now seen corresponding path program 1 times [2022-11-20 09:38:51,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:38:51,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472580182] [2022-11-20 09:38:51,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:38:51,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:38:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:38:52,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:38:52,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:38:52,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472580182] [2022-11-20 09:38:52,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472580182] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:38:52,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:38:52,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-20 09:38:52,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445131883] [2022-11-20 09:38:52,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:38:52,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 09:38:52,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:38:52,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 09:38:52,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:38:52,352 INFO L87 Difference]: Start difference. First operand 16373 states and 23279 transitions. Second operand has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:39:18,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:39:18,107 INFO L93 Difference]: Finished difference Result 33685 states and 47824 transitions. [2022-11-20 09:39:18,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 09:39:18,107 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-11-20 09:39:18,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:39:18,144 INFO L225 Difference]: With dead ends: 33685 [2022-11-20 09:39:18,144 INFO L226 Difference]: Without dead ends: 33580 [2022-11-20 09:39:18,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2022-11-20 09:39:18,151 INFO L413 NwaCegarLoop]: 1791 mSDtfsCounter, 6812 mSDsluCounter, 8519 mSDsCounter, 0 mSdLazyCounter, 1815 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6812 SdHoareTripleChecker+Valid, 10310 SdHoareTripleChecker+Invalid, 1843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:39:18,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6812 Valid, 10310 Invalid, 1843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1815 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 09:39:18,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33580 states. [2022-11-20 09:39:28,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33580 to 16334. [2022-11-20 09:39:28,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16334 states, 16330 states have (on average 1.4224739742804653) internal successors, (23229), 16333 states have internal predecessors, (23229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:39:28,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16334 states to 16334 states and 23229 transitions. [2022-11-20 09:39:28,505 INFO L78 Accepts]: Start accepts. Automaton has 16334 states and 23229 transitions. Word has length 77 [2022-11-20 09:39:28,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:39:28,505 INFO L495 AbstractCegarLoop]: Abstraction has 16334 states and 23229 transitions. [2022-11-20 09:39:28,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:39:28,505 INFO L276 IsEmpty]: Start isEmpty. Operand 16334 states and 23229 transitions. [2022-11-20 09:39:28,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 09:39:28,507 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:39:28,507 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, 1, 1] [2022-11-20 09:39:28,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-20 09:39:28,507 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:39:28,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:39:28,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1710699480, now seen corresponding path program 1 times [2022-11-20 09:39:28,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:39:28,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723554577] [2022-11-20 09:39:28,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:39:28,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:39:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:39:30,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:39:30,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:39:30,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723554577] [2022-11-20 09:39:30,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723554577] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:39:30,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:39:30,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-11-20 09:39:30,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447564007] [2022-11-20 09:39:30,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:39:30,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-20 09:39:30,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:39:30,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-20 09:39:30,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2022-11-20 09:39:30,088 INFO L87 Difference]: Start difference. First operand 16334 states and 23229 transitions. Second operand has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:39:56,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:39:56,764 INFO L93 Difference]: Finished difference Result 25287 states and 35702 transitions. [2022-11-20 09:39:56,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-20 09:39:56,853 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-11-20 09:39:56,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:39:56,883 INFO L225 Difference]: With dead ends: 25287 [2022-11-20 09:39:56,883 INFO L226 Difference]: Without dead ends: 25217 [2022-11-20 09:39:56,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=344, Invalid=1462, Unknown=0, NotChecked=0, Total=1806 [2022-11-20 09:39:56,888 INFO L413 NwaCegarLoop]: 1520 mSDtfsCounter, 11933 mSDsluCounter, 18013 mSDsCounter, 0 mSdLazyCounter, 7048 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11933 SdHoareTripleChecker+Valid, 19533 SdHoareTripleChecker+Invalid, 7083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 7048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:39:56,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11933 Valid, 19533 Invalid, 7083 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [35 Valid, 7048 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-11-20 09:39:56,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25217 states. [2022-11-20 09:40:07,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25217 to 16349. [2022-11-20 09:40:07,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16349 states, 16345 states have (on average 1.422269807280514) internal successors, (23247), 16348 states have internal predecessors, (23247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:40:07,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16349 states to 16349 states and 23247 transitions. [2022-11-20 09:40:07,098 INFO L78 Accepts]: Start accepts. Automaton has 16349 states and 23247 transitions. Word has length 77 [2022-11-20 09:40:07,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:40:07,098 INFO L495 AbstractCegarLoop]: Abstraction has 16349 states and 23247 transitions. [2022-11-20 09:40:07,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.2083333333333335) internal successors, (77), 24 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:40:07,099 INFO L276 IsEmpty]: Start isEmpty. Operand 16349 states and 23247 transitions. [2022-11-20 09:40:07,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 09:40:07,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:40:07,102 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, 1, 1] [2022-11-20 09:40:07,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-20 09:40:07,102 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:40:07,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:40:07,103 INFO L85 PathProgramCache]: Analyzing trace with hash -621222146, now seen corresponding path program 1 times [2022-11-20 09:40:07,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:40:07,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984394660] [2022-11-20 09:40:07,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:40:07,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:40:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:40:07,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:40:07,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:40:07,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984394660] [2022-11-20 09:40:07,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984394660] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:40:07,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:40:07,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-20 09:40:07,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231889848] [2022-11-20 09:40:07,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:40:07,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 09:40:07,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:40:07,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 09:40:07,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-11-20 09:40:07,638 INFO L87 Difference]: Start difference. First operand 16349 states and 23247 transitions. Second operand has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:40:35,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:40:35,364 INFO L93 Difference]: Finished difference Result 35057 states and 49833 transitions. [2022-11-20 09:40:35,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-20 09:40:35,364 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-11-20 09:40:35,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:40:35,405 INFO L225 Difference]: With dead ends: 35057 [2022-11-20 09:40:35,405 INFO L226 Difference]: Without dead ends: 34898 [2022-11-20 09:40:35,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=189, Invalid=461, Unknown=0, NotChecked=0, Total=650 [2022-11-20 09:40:35,410 INFO L413 NwaCegarLoop]: 1261 mSDtfsCounter, 8028 mSDsluCounter, 4635 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8028 SdHoareTripleChecker+Valid, 5896 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:40:35,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8028 Valid, 5896 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 09:40:35,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34898 states. [2022-11-20 09:40:45,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34898 to 16256. [2022-11-20 09:40:45,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16256 states, 16255 states have (on average 1.422885266071978) internal successors, (23129), 16255 states have internal predecessors, (23129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:40:45,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16256 states to 16256 states and 23129 transitions. [2022-11-20 09:40:45,960 INFO L78 Accepts]: Start accepts. Automaton has 16256 states and 23129 transitions. Word has length 77 [2022-11-20 09:40:45,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:40:45,961 INFO L495 AbstractCegarLoop]: Abstraction has 16256 states and 23129 transitions. [2022-11-20 09:40:45,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:40:45,961 INFO L276 IsEmpty]: Start isEmpty. Operand 16256 states and 23129 transitions. [2022-11-20 09:40:45,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-20 09:40:45,964 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:40:45,964 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:40:45,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-20 09:40:45,964 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:40:45,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:40:45,965 INFO L85 PathProgramCache]: Analyzing trace with hash 703536593, now seen corresponding path program 1 times [2022-11-20 09:40:45,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:40:45,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192466440] [2022-11-20 09:40:45,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:40:45,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:40:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:40:46,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:40:46,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:40:46,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192466440] [2022-11-20 09:40:46,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192466440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:40:46,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:40:46,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:40:46,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377609936] [2022-11-20 09:40:46,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:40:46,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:40:46,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:40:46,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:40:46,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:40:46,087 INFO L87 Difference]: Start difference. First operand 16256 states and 23129 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:41:20,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:41:20,386 INFO L93 Difference]: Finished difference Result 61610 states and 88446 transitions. [2022-11-20 09:41:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:41:20,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-11-20 09:41:20,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:41:20,440 INFO L225 Difference]: With dead ends: 61610 [2022-11-20 09:41:20,440 INFO L226 Difference]: Without dead ends: 46760 [2022-11-20 09:41:20,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:41:20,455 INFO L413 NwaCegarLoop]: 1170 mSDtfsCounter, 4494 mSDsluCounter, 1292 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4494 SdHoareTripleChecker+Valid, 2462 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:41:20,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4494 Valid, 2462 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:41:20,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46760 states. [2022-11-20 09:41:44,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46760 to 30288. [2022-11-20 09:41:44,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30288 states, 30287 states have (on average 1.416086109551953) internal successors, (42889), 30287 states have internal predecessors, (42889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:41:44,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30288 states to 30288 states and 42889 transitions. [2022-11-20 09:41:44,216 INFO L78 Accepts]: Start accepts. Automaton has 30288 states and 42889 transitions. Word has length 84 [2022-11-20 09:41:44,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:41:44,217 INFO L495 AbstractCegarLoop]: Abstraction has 30288 states and 42889 transitions. [2022-11-20 09:41:44,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:41:44,217 INFO L276 IsEmpty]: Start isEmpty. Operand 30288 states and 42889 transitions. [2022-11-20 09:41:44,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 09:41:44,221 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:41:44,222 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:41:44,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-20 09:41:44,222 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:41:44,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:41:44,222 INFO L85 PathProgramCache]: Analyzing trace with hash -202569644, now seen corresponding path program 1 times [2022-11-20 09:41:44,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:41:44,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839384084] [2022-11-20 09:41:44,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:41:44,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:41:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:41:44,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:41:44,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:41:44,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839384084] [2022-11-20 09:41:44,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839384084] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:41:44,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:41:44,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:41:44,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94359944] [2022-11-20 09:41:44,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:41:44,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:41:44,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:41:44,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:41:44,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:41:44,374 INFO L87 Difference]: Start difference. First operand 30288 states and 42889 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:42:03,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:42:03,373 INFO L93 Difference]: Finished difference Result 50920 states and 72159 transitions. [2022-11-20 09:42:03,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:42:03,373 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-11-20 09:42:03,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:42:03,403 INFO L225 Difference]: With dead ends: 50920 [2022-11-20 09:42:03,403 INFO L226 Difference]: Without dead ends: 22026 [2022-11-20 09:42:03,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:42:03,428 INFO L413 NwaCegarLoop]: 1166 mSDtfsCounter, 2424 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2424 SdHoareTripleChecker+Valid, 1945 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:42:03,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2424 Valid, 1945 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:42:03,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22026 states. [2022-11-20 09:42:21,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22026 to 22020. [2022-11-20 09:42:21,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22020 states, 22019 states have (on average 1.4023343476088832) internal successors, (30878), 22019 states have internal predecessors, (30878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:42:21,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22020 states to 22020 states and 30878 transitions. [2022-11-20 09:42:21,549 INFO L78 Accepts]: Start accepts. Automaton has 22020 states and 30878 transitions. Word has length 85 [2022-11-20 09:42:21,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:42:21,549 INFO L495 AbstractCegarLoop]: Abstraction has 22020 states and 30878 transitions. [2022-11-20 09:42:21,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:42:21,550 INFO L276 IsEmpty]: Start isEmpty. Operand 22020 states and 30878 transitions. [2022-11-20 09:42:21,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-20 09:42:21,556 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:42:21,556 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:42:21,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-20 09:42:21,557 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:42:21,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:42:21,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1479848435, now seen corresponding path program 1 times [2022-11-20 09:42:21,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:42:21,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697529109] [2022-11-20 09:42:21,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:42:21,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:42:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:42:21,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:42:21,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:42:21,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697529109] [2022-11-20 09:42:21,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697529109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:42:21,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:42:21,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:42:21,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910052932] [2022-11-20 09:42:21,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:42:21,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:42:21,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:42:21,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:42:21,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:42:21,712 INFO L87 Difference]: Start difference. First operand 22020 states and 30878 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:42:57,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:42:57,475 INFO L93 Difference]: Finished difference Result 61818 states and 87056 transitions. [2022-11-20 09:42:57,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:42:57,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-11-20 09:42:57,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:42:57,524 INFO L225 Difference]: With dead ends: 61818 [2022-11-20 09:42:57,524 INFO L226 Difference]: Without dead ends: 41192 [2022-11-20 09:42:57,538 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 [2022-11-20 09:42:57,538 INFO L413 NwaCegarLoop]: 1220 mSDtfsCounter, 696 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:42:57,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 1723 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:42:57,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41192 states. [2022-11-20 09:43:30,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41192 to 39238. [2022-11-20 09:43:30,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39238 states, 39237 states have (on average 1.3976603715880418) internal successors, (54840), 39237 states have internal predecessors, (54840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:43:30,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39238 states to 39238 states and 54840 transitions. [2022-11-20 09:43:30,639 INFO L78 Accepts]: Start accepts. Automaton has 39238 states and 54840 transitions. Word has length 87 [2022-11-20 09:43:30,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:43:30,639 INFO L495 AbstractCegarLoop]: Abstraction has 39238 states and 54840 transitions. [2022-11-20 09:43:30,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:43:30,640 INFO L276 IsEmpty]: Start isEmpty. Operand 39238 states and 54840 transitions. [2022-11-20 09:43:30,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 09:43:30,644 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:43:30,644 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:43:30,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-20 09:43:30,644 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-11-20 09:43:30,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:43:30,645 INFO L85 PathProgramCache]: Analyzing trace with hash 614306871, now seen corresponding path program 1 times [2022-11-20 09:43:30,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:43:30,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497705129] [2022-11-20 09:43:30,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:43:30,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:43:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:43:30,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:43:30,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:43:30,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497705129] [2022-11-20 09:43:30,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497705129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:43:30,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:43:30,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:43:30,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638463641] [2022-11-20 09:43:30,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:43:30,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:43:30,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:43:30,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:43:30,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:43:30,766 INFO L87 Difference]: Start difference. First operand 39238 states and 54840 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)