./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d128_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_79fb3192-cff5-4175-8c0a-aaf3e6c7f957/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fb3192-cff5-4175-8c0a-aaf3e6c7f957/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fb3192-cff5-4175-8c0a-aaf3e6c7f957/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fb3192-cff5-4175-8c0a-aaf3e6c7f957/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d128_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fb3192-cff5-4175-8c0a-aaf3e6c7f957/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fb3192-cff5-4175-8c0a-aaf3e6c7f957/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6b191b29585068c3f09f62cdc7c5e0d2275de93548c95c98e951f8d15410935 --- 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-8393723 [2022-11-18 21:11:31,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:11:31,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:11:32,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:11:32,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:11:32,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:11:32,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:11:32,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:11:32,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:11:32,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:11:32,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:11:32,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:11:32,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:11:32,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:11:32,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:11:32,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:11:32,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:11:32,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:11:32,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:11:32,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:11:32,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:11:32,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:11:32,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:11:32,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:11:32,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:11:32,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:11:32,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:11:32,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:11:32,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:11:32,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:11:32,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:11:32,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:11:32,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:11:32,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:11:32,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:11:32,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:11:32,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:11:32,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:11:32,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:11:32,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:11:32,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:11:32,094 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fb3192-cff5-4175-8c0a-aaf3e6c7f957/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 21:11:32,143 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:11:32,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:11:32,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:11:32,145 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:11:32,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:11:32,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:11:32,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:11:32,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:11:32,148 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:11:32,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:11:32,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:11:32,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:11:32,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:11:32,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:11:32,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:11:32,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:11:32,152 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:11:32,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:11:32,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:11:32,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:11:32,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:11:32,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:11:32,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:11:32,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:11:32,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:11:32,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:11:32,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:11:32,156 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:11:32,156 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:11:32,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:11:32,157 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_79fb3192-cff5-4175-8c0a-aaf3e6c7f957/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fb3192-cff5-4175-8c0a-aaf3e6c7f957/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6b191b29585068c3f09f62cdc7c5e0d2275de93548c95c98e951f8d15410935 [2022-11-18 21:11:32,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:11:32,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:11:32,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:11:32,621 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:11:32,622 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:11:32,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fb3192-cff5-4175-8c0a-aaf3e6c7f957/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d128_e0.c [2022-11-18 21:11:32,719 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fb3192-cff5-4175-8c0a-aaf3e6c7f957/bin/uautomizer-TMbwUNV5ro/data/d07afe9b6/2656a73d7be3455a81820f6ac4add200/FLAGb74af5ae6 [2022-11-18 21:11:33,877 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:11:33,878 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fb3192-cff5-4175-8c0a-aaf3e6c7f957/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d128_e0.c [2022-11-18 21:11:33,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fb3192-cff5-4175-8c0a-aaf3e6c7f957/bin/uautomizer-TMbwUNV5ro/data/d07afe9b6/2656a73d7be3455a81820f6ac4add200/FLAGb74af5ae6 [2022-11-18 21:11:34,164 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fb3192-cff5-4175-8c0a-aaf3e6c7f957/bin/uautomizer-TMbwUNV5ro/data/d07afe9b6/2656a73d7be3455a81820f6ac4add200 [2022-11-18 21:11:34,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:11:34,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:11:34,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:11:34,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:11:34,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:11:34,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:11:34" (1/1) ... [2022-11-18 21:11:34,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df7f32c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:34, skipping insertion in model container [2022-11-18 21:11:34,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:11:34" (1/1) ... [2022-11-18 21:11:34,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:11:34,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:11:35,037 WARN L234 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_79fb3192-cff5-4175-8c0a-aaf3e6c7f957/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d128_e0.c[1110,1123] [2022-11-18 21:11:36,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:11:36,735 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:11:36,754 WARN L234 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_79fb3192-cff5-4175-8c0a-aaf3e6c7f957/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d128_e0.c[1110,1123] [2022-11-18 21:11:37,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:11:37,715 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:11:37,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:37 WrapperNode [2022-11-18 21:11:37,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:11:37,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:11:37,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:11:37,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:11:37,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:37" (1/1) ... [2022-11-18 21:11:37,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:37" (1/1) ... [2022-11-18 21:11:39,205 INFO L138 Inliner]: procedures = 11, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24252 [2022-11-18 21:11:39,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:11:39,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:11:39,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:11:39,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:11:39,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:37" (1/1) ... [2022-11-18 21:11:39,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:37" (1/1) ... [2022-11-18 21:11:39,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:37" (1/1) ... [2022-11-18 21:11:39,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:37" (1/1) ... [2022-11-18 21:11:39,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:37" (1/1) ... [2022-11-18 21:11:40,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:37" (1/1) ... [2022-11-18 21:11:40,264 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:37" (1/1) ... [2022-11-18 21:11:40,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:37" (1/1) ... [2022-11-18 21:11:40,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:11:40,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:11:40,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:11:40,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:11:40,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:37" (1/1) ... [2022-11-18 21:11:40,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:11:40,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fb3192-cff5-4175-8c0a-aaf3e6c7f957/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:11:40,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fb3192-cff5-4175-8c0a-aaf3e6c7f957/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:11:40,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fb3192-cff5-4175-8c0a-aaf3e6c7f957/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:11:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:11:40,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:11:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 21:11:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 21:11:43,398 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:11:43,401 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:14:08,160 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:14:08,197 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:14:08,197 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 21:14:08,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:14:08 BoogieIcfgContainer [2022-11-18 21:14:08,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:14:08,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:14:08,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:14:08,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:14:08,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:11:34" (1/3) ... [2022-11-18 21:14:08,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350457eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:14:08, skipping insertion in model container [2022-11-18 21:14:08,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:37" (2/3) ... [2022-11-18 21:14:08,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350457eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:14:08, skipping insertion in model container [2022-11-18 21:14:08,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:14:08" (3/3) ... [2022-11-18 21:14:08,215 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n4_w16_d128_e0.c [2022-11-18 21:14:08,239 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:14:08,239 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 21:14:08,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:14:08,413 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;@6af92c29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:14:08,413 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 21:14:08,432 INFO L276 IsEmpty]: Start isEmpty. Operand has 3521 states, 3505 states have (on average 1.6633380884450784) internal successors, (5830), 3506 states have internal predecessors, (5830), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 21:14:08,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2022-11-18 21:14:08,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:14:08,495 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:14:08,496 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:14:08,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:14:08,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1624143936, now seen corresponding path program 1 times [2022-11-18 21:14:08,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:14:08,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312010380] [2022-11-18 21:14:08,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:14:08,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:14:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:12,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:14:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:12,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 21:14:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:12,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:14:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:12,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:14:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:12,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:14:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:12,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 21:14:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:12,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 21:14:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:12,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 21:14:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:12,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 21:14:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:12,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 21:14:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:12,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 21:14:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:12,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 21:14:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:12,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-18 21:14:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:12,591 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-18 21:14:12,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:14:12,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312010380] [2022-11-18 21:14:12,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312010380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:14:12,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:14:12,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:14:12,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911410189] [2022-11-18 21:14:12,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:14:12,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 21:14:12,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:14:12,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 21:14:12,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 21:14:12,663 INFO L87 Difference]: Start difference. First operand has 3521 states, 3505 states have (on average 1.6633380884450784) internal successors, (5830), 3506 states have internal predecessors, (5830), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 357.5) internal successors, (715), 2 states have internal predecessors, (715), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 21:14:12,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:14:12,843 INFO L93 Difference]: Finished difference Result 7036 states and 11720 transitions. [2022-11-18 21:14:12,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 21:14:12,847 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 357.5) internal successors, (715), 2 states have internal predecessors, (715), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 777 [2022-11-18 21:14:12,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:14:12,881 INFO L225 Difference]: With dead ends: 7036 [2022-11-18 21:14:12,881 INFO L226 Difference]: Without dead ends: 3517 [2022-11-18 21:14:12,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 21:14:12,902 INFO L413 NwaCegarLoop]: 5849 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5849 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:14:12,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5849 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:14:12,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3517 states. [2022-11-18 21:14:13,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3517 to 3517. [2022-11-18 21:14:13,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3517 states, 3502 states have (on average 1.6627641347801256) internal successors, (5823), 3502 states have internal predecessors, (5823), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 21:14:13,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3517 states to 3517 states and 5849 transitions. [2022-11-18 21:14:13,099 INFO L78 Accepts]: Start accepts. Automaton has 3517 states and 5849 transitions. Word has length 777 [2022-11-18 21:14:13,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:14:13,100 INFO L495 AbstractCegarLoop]: Abstraction has 3517 states and 5849 transitions. [2022-11-18 21:14:13,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 357.5) internal successors, (715), 2 states have internal predecessors, (715), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 21:14:13,102 INFO L276 IsEmpty]: Start isEmpty. Operand 3517 states and 5849 transitions. [2022-11-18 21:14:13,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2022-11-18 21:14:13,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:14:13,130 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:14:13,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:14:13,132 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:14:13,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:14:13,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1515567974, now seen corresponding path program 1 times [2022-11-18 21:14:13,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:14:13,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506452441] [2022-11-18 21:14:13,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:14:13,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:14:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:28,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:14:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:28,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 21:14:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:28,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:14:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:28,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:14:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:28,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:14:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:28,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 21:14:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:28,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 21:14:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:28,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 21:14:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:28,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 21:14:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:28,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 21:14:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:28,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 21:14:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:28,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 21:14:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:28,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-18 21:14:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:28,966 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-18 21:14:28,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:14:28,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506452441] [2022-11-18 21:14:28,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506452441] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:14:28,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:14:28,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:14:28,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277681679] [2022-11-18 21:14:28,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:14:28,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:14:28,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:14:28,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:14:28,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:14:28,976 INFO L87 Difference]: Start difference. First operand 3517 states and 5849 transitions. Second operand has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 21:14:30,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:14:30,378 INFO L93 Difference]: Finished difference Result 8095 states and 13465 transitions. [2022-11-18 21:14:30,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:14:30,380 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 777 [2022-11-18 21:14:30,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:14:30,418 INFO L225 Difference]: With dead ends: 8095 [2022-11-18 21:14:30,419 INFO L226 Difference]: Without dead ends: 8093 [2022-11-18 21:14:30,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:14:30,430 INFO L413 NwaCegarLoop]: 9321 mSDtfsCounter, 15757 mSDsluCounter, 9420 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15770 SdHoareTripleChecker+Valid, 18741 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:14:30,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15770 Valid, 18741 Invalid, 45 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [27 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 21:14:30,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8093 states. [2022-11-18 21:14:30,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8093 to 3519. [2022-11-18 21:14:30,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3519 states, 3504 states have (on average 1.6623858447488584) internal successors, (5825), 3504 states have internal predecessors, (5825), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 21:14:30,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 5851 transitions. [2022-11-18 21:14:30,589 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 5851 transitions. Word has length 777 [2022-11-18 21:14:30,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:14:30,594 INFO L495 AbstractCegarLoop]: Abstraction has 3519 states and 5851 transitions. [2022-11-18 21:14:30,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 21:14:30,597 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 5851 transitions. [2022-11-18 21:14:30,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 779 [2022-11-18 21:14:30,625 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:14:30,626 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:14:30,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 21:14:30,627 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:14:30,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:14:30,628 INFO L85 PathProgramCache]: Analyzing trace with hash -260303924, now seen corresponding path program 1 times [2022-11-18 21:14:30,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:14:30,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128657455] [2022-11-18 21:14:30,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:14:30,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:14:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:14:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 21:14:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:14:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:14:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:14:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 21:14:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 21:14:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 21:14:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 21:14:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 21:14:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 21:14:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 21:14:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-18 21:14:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:36,846 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-18 21:14:36,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:14:36,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128657455] [2022-11-18 21:14:36,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128657455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:14:36,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:14:36,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:14:36,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983327030] [2022-11-18 21:14:36,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:14:36,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:14:36,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:14:36,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:14:36,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:14:36,851 INFO L87 Difference]: Start difference. First operand 3519 states and 5851 transitions. Second operand has 6 states, 6 states have (on average 119.33333333333333) internal successors, (716), 6 states have internal predecessors, (716), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 21:14:38,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 21:14:53,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:14:53,717 INFO L93 Difference]: Finished difference Result 13470 states and 22212 transitions. [2022-11-18 21:14:53,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:14:53,718 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 119.33333333333333) internal successors, (716), 6 states have internal predecessors, (716), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 778 [2022-11-18 21:14:53,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:14:53,757 INFO L225 Difference]: With dead ends: 13470 [2022-11-18 21:14:53,758 INFO L226 Difference]: Without dead ends: 7030 [2022-11-18 21:14:53,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:14:53,774 INFO L413 NwaCegarLoop]: 15053 mSDtfsCounter, 15726 mSDsluCounter, 23105 mSDsCounter, 0 mSdLazyCounter, 10713 mSolverCounterSat, 611 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15752 SdHoareTripleChecker+Valid, 38158 SdHoareTripleChecker+Invalid, 11324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 611 IncrementalHoareTripleChecker+Valid, 10713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-11-18 21:14:53,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15752 Valid, 38158 Invalid, 11324 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [611 Valid, 10713 Invalid, 0 Unknown, 0 Unchecked, 15.9s Time] [2022-11-18 21:14:53,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7030 states. [2022-11-18 21:14:53,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7030 to 3519. [2022-11-18 21:14:53,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3519 states, 3504 states have (on average 1.6621004566210045) internal successors, (5824), 3504 states have internal predecessors, (5824), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 21:14:53,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 5850 transitions. [2022-11-18 21:14:53,948 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 5850 transitions. Word has length 778 [2022-11-18 21:14:53,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:14:53,949 INFO L495 AbstractCegarLoop]: Abstraction has 3519 states and 5850 transitions. [2022-11-18 21:14:53,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 119.33333333333333) internal successors, (716), 6 states have internal predecessors, (716), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 21:14:53,950 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 5850 transitions. [2022-11-18 21:14:53,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2022-11-18 21:14:53,988 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:14:53,989 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:14:53,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 21:14:53,990 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:14:53,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:14:53,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1239420512, now seen corresponding path program 1 times [2022-11-18 21:14:53,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:14:53,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753893670] [2022-11-18 21:14:53,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:14:53,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:14:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:58,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:14:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:58,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 21:14:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:58,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:14:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:58,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:14:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:58,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:14:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:58,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 21:14:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:58,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:14:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:58,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 21:14:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:58,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:14:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:58,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:14:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:58,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 21:14:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:58,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 21:14:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:58,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 21:14:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:14:58,743 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-18 21:14:58,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:14:58,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753893670] [2022-11-18 21:14:58,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753893670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:14:58,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:14:58,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:14:58,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106130672] [2022-11-18 21:14:58,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:14:58,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:14:58,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:14:58,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:14:58,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:14:58,749 INFO L87 Difference]: Start difference. First operand 3519 states and 5850 transitions. Second operand has 5 states, 5 states have (on average 143.4) internal successors, (717), 5 states have internal predecessors, (717), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 21:14:59,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 21:15:13,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:15:13,376 INFO L93 Difference]: Finished difference Result 17567 states and 29219 transitions. [2022-11-18 21:15:13,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:15:13,378 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 143.4) internal successors, (717), 5 states have internal predecessors, (717), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 779 [2022-11-18 21:15:13,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:15:13,446 INFO L225 Difference]: With dead ends: 17567 [2022-11-18 21:15:13,447 INFO L226 Difference]: Without dead ends: 14050 [2022-11-18 21:15:13,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:15:13,466 INFO L413 NwaCegarLoop]: 3613 mSDtfsCounter, 45825 mSDsluCounter, 7089 mSDsCounter, 0 mSdLazyCounter, 7589 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45830 SdHoareTripleChecker+Valid, 10702 SdHoareTripleChecker+Invalid, 7660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 7589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-11-18 21:15:13,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45830 Valid, 10702 Invalid, 7660 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [71 Valid, 7589 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2022-11-18 21:15:13,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14050 states. [2022-11-18 21:15:13,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14050 to 3519. [2022-11-18 21:15:13,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3519 states, 3504 states have (on average 1.6618150684931507) internal successors, (5823), 3504 states have internal predecessors, (5823), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 21:15:13,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 5849 transitions. [2022-11-18 21:15:13,679 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 5849 transitions. Word has length 779 [2022-11-18 21:15:13,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:15:13,680 INFO L495 AbstractCegarLoop]: Abstraction has 3519 states and 5849 transitions. [2022-11-18 21:15:13,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 143.4) internal successors, (717), 5 states have internal predecessors, (717), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 21:15:13,682 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 5849 transitions. [2022-11-18 21:15:13,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2022-11-18 21:15:13,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:15:13,694 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:15:13,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 21:15:13,694 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:15:13,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:15:13,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1344352042, now seen corresponding path program 1 times [2022-11-18 21:15:13,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:15:13,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506638314] [2022-11-18 21:15:13,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:15:13,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:15:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:17,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:15:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:17,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 21:15:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:17,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:15:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:17,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:15:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:17,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:15:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:17,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 21:15:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:17,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:15:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:17,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 21:15:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:17,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:15:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:17,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:15:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:17,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 21:15:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:17,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 21:15:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:17,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 21:15:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-18 21:15:17,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:15:17,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506638314] [2022-11-18 21:15:17,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506638314] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:15:17,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:15:17,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:15:17,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574198618] [2022-11-18 21:15:17,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:15:17,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:15:17,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:15:17,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:15:17,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:15:17,993 INFO L87 Difference]: Start difference. First operand 3519 states and 5849 transitions. Second operand has 5 states, 5 states have (on average 143.6) internal successors, (718), 5 states have internal predecessors, (718), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 21:15:19,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 21:15:31,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:15:31,855 INFO L93 Difference]: Finished difference Result 17567 states and 29214 transitions. [2022-11-18 21:15:31,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:15:31,856 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 143.6) internal successors, (718), 5 states have internal predecessors, (718), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 780 [2022-11-18 21:15:31,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:15:31,886 INFO L225 Difference]: With dead ends: 17567 [2022-11-18 21:15:31,886 INFO L226 Difference]: Without dead ends: 14050 [2022-11-18 21:15:31,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:15:31,895 INFO L413 NwaCegarLoop]: 3989 mSDtfsCounter, 44324 mSDsluCounter, 7472 mSDsCounter, 0 mSdLazyCounter, 7582 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44329 SdHoareTripleChecker+Valid, 11461 SdHoareTripleChecker+Invalid, 7653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 7582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:15:31,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44329 Valid, 11461 Invalid, 7653 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [71 Valid, 7582 Invalid, 0 Unknown, 0 Unchecked, 13.3s Time] [2022-11-18 21:15:31,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14050 states. [2022-11-18 21:15:32,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14050 to 3519. [2022-11-18 21:15:32,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3519 states, 3504 states have (on average 1.6615296803652968) internal successors, (5822), 3504 states have internal predecessors, (5822), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 21:15:32,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 5848 transitions. [2022-11-18 21:15:32,055 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 5848 transitions. Word has length 780 [2022-11-18 21:15:32,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:15:32,059 INFO L495 AbstractCegarLoop]: Abstraction has 3519 states and 5848 transitions. [2022-11-18 21:15:32,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 143.6) internal successors, (718), 5 states have internal predecessors, (718), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 21:15:32,060 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 5848 transitions. [2022-11-18 21:15:32,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2022-11-18 21:15:32,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:15:32,070 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:15:32,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 21:15:32,071 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:15:32,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:15:32,074 INFO L85 PathProgramCache]: Analyzing trace with hash 759634330, now seen corresponding path program 1 times [2022-11-18 21:15:32,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:15:32,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022479615] [2022-11-18 21:15:32,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:15:32,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:15:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:35,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:15:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:35,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 21:15:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:35,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:15:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:35,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:15:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:35,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:15:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:35,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 21:15:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:35,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:15:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:35,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 21:15:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:35,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:15:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:35,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:15:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:35,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 21:15:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:35,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 21:15:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:35,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 21:15:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:35,805 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-18 21:15:35,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:15:35,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022479615] [2022-11-18 21:15:35,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022479615] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:15:35,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:15:35,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:15:35,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961027634] [2022-11-18 21:15:35,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:15:35,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:15:35,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:15:35,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:15:35,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:15:35,809 INFO L87 Difference]: Start difference. First operand 3519 states and 5848 transitions. Second operand has 5 states, 5 states have (on average 143.8) internal successors, (719), 5 states have internal predecessors, (719), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 21:15:37,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 21:15:49,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:15:49,811 INFO L93 Difference]: Finished difference Result 17567 states and 29209 transitions. [2022-11-18 21:15:49,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:15:49,811 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 143.8) internal successors, (719), 5 states have internal predecessors, (719), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 781 [2022-11-18 21:15:49,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:15:49,855 INFO L225 Difference]: With dead ends: 17567 [2022-11-18 21:15:49,855 INFO L226 Difference]: Without dead ends: 14050 [2022-11-18 21:15:49,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:15:49,864 INFO L413 NwaCegarLoop]: 5141 mSDtfsCounter, 42058 mSDsluCounter, 7834 mSDsCounter, 0 mSdLazyCounter, 7559 mSolverCounterSat, 71 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42063 SdHoareTripleChecker+Valid, 12975 SdHoareTripleChecker+Invalid, 7631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 7559 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:15:49,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42063 Valid, 12975 Invalid, 7631 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [71 Valid, 7559 Invalid, 1 Unknown, 0 Unchecked, 13.3s Time] [2022-11-18 21:15:49,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14050 states. [2022-11-18 21:15:49,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14050 to 3519. [2022-11-18 21:15:49,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3519 states, 3504 states have (on average 1.6612442922374429) internal successors, (5821), 3504 states have internal predecessors, (5821), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 21:15:50,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 5847 transitions. [2022-11-18 21:15:50,008 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 5847 transitions. Word has length 781 [2022-11-18 21:15:50,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:15:50,010 INFO L495 AbstractCegarLoop]: Abstraction has 3519 states and 5847 transitions. [2022-11-18 21:15:50,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 143.8) internal successors, (719), 5 states have internal predecessors, (719), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 21:15:50,011 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 5847 transitions. [2022-11-18 21:15:50,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 783 [2022-11-18 21:15:50,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:15:50,021 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:15:50,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 21:15:50,022 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:15:50,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:15:50,023 INFO L85 PathProgramCache]: Analyzing trace with hash 106619044, now seen corresponding path program 1 times [2022-11-18 21:15:50,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:15:50,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130546905] [2022-11-18 21:15:50,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:15:50,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:15:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:54,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:15:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:54,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 21:15:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:54,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:15:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:54,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:15:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:54,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:15:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:54,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 21:15:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:54,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:15:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:54,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 21:15:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:54,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:15:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:54,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:15:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:54,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 21:15:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:54,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 21:15:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:54,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 21:15:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:15:54,565 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-18 21:15:54,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:15:54,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130546905] [2022-11-18 21:15:54,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130546905] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:15:54,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:15:54,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:15:54,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115885953] [2022-11-18 21:15:54,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:15:54,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:15:54,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:15:54,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:15:54,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:15:54,572 INFO L87 Difference]: Start difference. First operand 3519 states and 5847 transitions. Second operand has 5 states, 5 states have (on average 144.0) internal successors, (720), 5 states have internal predecessors, (720), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 21:16:12,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:12,705 INFO L93 Difference]: Finished difference Result 17567 states and 29204 transitions. [2022-11-18 21:16:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:16:12,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 144.0) internal successors, (720), 5 states have internal predecessors, (720), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 782 [2022-11-18 21:16:12,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:12,730 INFO L225 Difference]: With dead ends: 17567 [2022-11-18 21:16:12,730 INFO L226 Difference]: Without dead ends: 14050 [2022-11-18 21:16:12,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:16:12,739 INFO L413 NwaCegarLoop]: 9358 mSDtfsCounter, 25975 mSDsluCounter, 11665 mSDsCounter, 0 mSdLazyCounter, 12175 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25980 SdHoareTripleChecker+Valid, 21023 SdHoareTripleChecker+Invalid, 12245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 12175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:12,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25980 Valid, 21023 Invalid, 12245 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [70 Valid, 12175 Invalid, 0 Unknown, 0 Unchecked, 17.4s Time] [2022-11-18 21:16:12,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14050 states. [2022-11-18 21:16:12,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14050 to 3519. [2022-11-18 21:16:12,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3519 states, 3504 states have (on average 1.6609589041095891) internal successors, (5820), 3504 states have internal predecessors, (5820), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 21:16:12,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 5846 transitions. [2022-11-18 21:16:12,873 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 5846 transitions. Word has length 782 [2022-11-18 21:16:12,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:12,875 INFO L495 AbstractCegarLoop]: Abstraction has 3519 states and 5846 transitions. [2022-11-18 21:16:12,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 144.0) internal successors, (720), 5 states have internal predecessors, (720), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 21:16:12,876 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 5846 transitions. [2022-11-18 21:16:12,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 784 [2022-11-18 21:16:12,884 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:12,885 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:12,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 21:16:12,886 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:12,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:12,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1444769748, now seen corresponding path program 1 times [2022-11-18 21:16:12,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:16:12,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367230523] [2022-11-18 21:16:12,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:16:12,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:16:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:19,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:16:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:19,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 21:16:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:19,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:16:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:19,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:16:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:19,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:16:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:19,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 21:16:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:19,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:16:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:19,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 21:16:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:19,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:16:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:19,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:16:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:19,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 21:16:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:19,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 21:16:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:19,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 21:16:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:19,566 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-18 21:16:19,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:16:19,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367230523] [2022-11-18 21:16:19,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367230523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:16:19,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:16:19,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:16:19,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836737631] [2022-11-18 21:16:19,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:16:19,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:16:19,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:16:19,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:16:19,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:16:19,571 INFO L87 Difference]: Start difference. First operand 3519 states and 5846 transitions. Second operand has 4 states, 4 states have (on average 180.25) internal successors, (721), 4 states have internal predecessors, (721), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 21:16:20,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:20,697 INFO L93 Difference]: Finished difference Result 10547 states and 17527 transitions. [2022-11-18 21:16:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:16:20,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 180.25) internal successors, (721), 4 states have internal predecessors, (721), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 783 [2022-11-18 21:16:20,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:20,711 INFO L225 Difference]: With dead ends: 10547 [2022-11-18 21:16:20,711 INFO L226 Difference]: Without dead ends: 7030 [2022-11-18 21:16:20,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:16:20,718 INFO L413 NwaCegarLoop]: 5937 mSDtfsCounter, 17186 mSDsluCounter, 5779 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17186 SdHoareTripleChecker+Valid, 11716 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:20,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17186 Valid, 11716 Invalid, 217 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-18 21:16:20,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7030 states. [2022-11-18 21:16:20,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7030 to 3519. [2022-11-18 21:16:20,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3519 states, 3504 states have (on average 1.6606735159817352) internal successors, (5819), 3504 states have internal predecessors, (5819), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 21:16:20,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 5845 transitions. [2022-11-18 21:16:20,823 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 5845 transitions. Word has length 783 [2022-11-18 21:16:20,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:20,824 INFO L495 AbstractCegarLoop]: Abstraction has 3519 states and 5845 transitions. [2022-11-18 21:16:20,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 180.25) internal successors, (721), 4 states have internal predecessors, (721), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 21:16:20,825 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 5845 transitions. [2022-11-18 21:16:20,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 785 [2022-11-18 21:16:20,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:20,835 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:20,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 21:16:20,836 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:20,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:20,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1708502648, now seen corresponding path program 1 times [2022-11-18 21:16:20,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:16:20,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634954005] [2022-11-18 21:16:20,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:16:20,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:16:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:23,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:16:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:23,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 21:16:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:23,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:16:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:23,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:16:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:23,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:16:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:23,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 21:16:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:23,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:16:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:23,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 21:16:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:23,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:16:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:23,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:16:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:23,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 21:16:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:23,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 21:16:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:23,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 21:16:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:23,986 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-18 21:16:23,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:16:23,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634954005] [2022-11-18 21:16:23,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634954005] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:16:23,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:16:23,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:16:23,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052931471] [2022-11-18 21:16:23,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:16:23,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:16:23,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:16:23,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:16:23,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:16:23,991 INFO L87 Difference]: Start difference. First operand 3519 states and 5845 transitions. Second operand has 5 states, 5 states have (on average 144.4) internal successors, (722), 5 states have internal predecessors, (722), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 21:16:24,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:24,842 INFO L93 Difference]: Finished difference Result 10547 states and 17524 transitions. [2022-11-18 21:16:24,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:16:24,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 144.4) internal successors, (722), 5 states have internal predecessors, (722), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 784 [2022-11-18 21:16:24,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:24,859 INFO L225 Difference]: With dead ends: 10547 [2022-11-18 21:16:24,859 INFO L226 Difference]: Without dead ends: 7030 [2022-11-18 21:16:24,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:16:24,866 INFO L413 NwaCegarLoop]: 5938 mSDtfsCounter, 28624 mSDsluCounter, 5779 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28637 SdHoareTripleChecker+Valid, 11717 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:24,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28637 Valid, 11717 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 21:16:24,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7030 states. [2022-11-18 21:16:24,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7030 to 3519. [2022-11-18 21:16:24,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3519 states, 3504 states have (on average 1.6603881278538812) internal successors, (5818), 3504 states have internal predecessors, (5818), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 21:16:24,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 5844 transitions. [2022-11-18 21:16:24,962 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 5844 transitions. Word has length 784 [2022-11-18 21:16:24,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:24,963 INFO L495 AbstractCegarLoop]: Abstraction has 3519 states and 5844 transitions. [2022-11-18 21:16:24,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 144.4) internal successors, (722), 5 states have internal predecessors, (722), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 21:16:24,964 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 5844 transitions. [2022-11-18 21:16:24,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 786 [2022-11-18 21:16:24,972 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:24,973 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:24,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 21:16:24,974 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:24,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:24,974 INFO L85 PathProgramCache]: Analyzing trace with hash 870892974, now seen corresponding path program 1 times [2022-11-18 21:16:24,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:16:24,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863190534] [2022-11-18 21:16:24,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:16:24,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:16:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:28,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:16:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:28,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 21:16:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:28,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:16:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:28,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:16:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:28,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:16:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:28,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 21:16:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:28,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:16:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:28,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 21:16:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:28,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:16:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:28,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:16:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:28,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 21:16:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:28,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 21:16:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:28,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 21:16:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-18 21:16:28,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:16:28,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863190534] [2022-11-18 21:16:28,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863190534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:16:28,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:16:28,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:16:28,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604999238] [2022-11-18 21:16:28,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:16:28,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:16:28,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:16:28,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:16:28,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:16:28,239 INFO L87 Difference]: Start difference. First operand 3519 states and 5844 transitions. Second operand has 5 states, 5 states have (on average 144.6) internal successors, (723), 5 states have internal predecessors, (723), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 21:16:29,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:29,102 INFO L93 Difference]: Finished difference Result 10547 states and 17521 transitions. [2022-11-18 21:16:29,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:16:29,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 144.6) internal successors, (723), 5 states have internal predecessors, (723), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 785 [2022-11-18 21:16:29,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:29,112 INFO L225 Difference]: With dead ends: 10547 [2022-11-18 21:16:29,112 INFO L226 Difference]: Without dead ends: 7030 [2022-11-18 21:16:29,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:16:29,119 INFO L413 NwaCegarLoop]: 6318 mSDtfsCounter, 27685 mSDsluCounter, 5779 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27698 SdHoareTripleChecker+Valid, 12097 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:29,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27698 Valid, 12097 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 21:16:29,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7030 states. [2022-11-18 21:16:29,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7030 to 3519. [2022-11-18 21:16:29,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3519 states, 3504 states have (on average 1.6601027397260273) internal successors, (5817), 3504 states have internal predecessors, (5817), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 21:16:29,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 5843 transitions. [2022-11-18 21:16:29,219 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 5843 transitions. Word has length 785 [2022-11-18 21:16:29,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:29,220 INFO L495 AbstractCegarLoop]: Abstraction has 3519 states and 5843 transitions. [2022-11-18 21:16:29,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 144.6) internal successors, (723), 5 states have internal predecessors, (723), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 21:16:29,221 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 5843 transitions. [2022-11-18 21:16:29,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2022-11-18 21:16:29,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:29,230 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:29,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 21:16:29,231 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:29,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:29,232 INFO L85 PathProgramCache]: Analyzing trace with hash 665507120, now seen corresponding path program 1 times [2022-11-18 21:16:29,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:16:29,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419109891] [2022-11-18 21:16:29,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:16:29,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:16:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:33,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:16:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:33,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 21:16:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:33,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:16:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:33,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:16:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:33,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:16:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:33,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 21:16:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:33,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:16:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:33,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 21:16:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:33,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:16:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:33,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:16:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:33,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 21:16:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:33,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 21:16:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:33,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 21:16:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:33,202 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-18 21:16:33,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:16:33,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419109891] [2022-11-18 21:16:33,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419109891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:16:33,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:16:33,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:16:33,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562220599] [2022-11-18 21:16:33,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:16:33,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:16:33,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:16:33,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:16:33,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:16:33,207 INFO L87 Difference]: Start difference. First operand 3519 states and 5843 transitions. Second operand has 5 states, 5 states have (on average 144.8) internal successors, (724), 5 states have internal predecessors, (724), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 21:16:34,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:34,091 INFO L93 Difference]: Finished difference Result 10547 states and 17518 transitions. [2022-11-18 21:16:34,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:16:34,092 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 144.8) internal successors, (724), 5 states have internal predecessors, (724), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 786 [2022-11-18 21:16:34,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:34,098 INFO L225 Difference]: With dead ends: 10547 [2022-11-18 21:16:34,099 INFO L226 Difference]: Without dead ends: 7030 [2022-11-18 21:16:34,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:16:34,105 INFO L413 NwaCegarLoop]: 6319 mSDtfsCounter, 27669 mSDsluCounter, 5779 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27682 SdHoareTripleChecker+Valid, 12098 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:34,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27682 Valid, 12098 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 21:16:34,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7030 states. [2022-11-18 21:16:34,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7030 to 3519. [2022-11-18 21:16:34,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3519 states, 3504 states have (on average 1.6598173515981736) internal successors, (5816), 3504 states have internal predecessors, (5816), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 21:16:34,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 5842 transitions. [2022-11-18 21:16:34,204 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 5842 transitions. Word has length 786 [2022-11-18 21:16:34,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:34,205 INFO L495 AbstractCegarLoop]: Abstraction has 3519 states and 5842 transitions. [2022-11-18 21:16:34,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 144.8) internal successors, (724), 5 states have internal predecessors, (724), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 21:16:34,205 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 5842 transitions. [2022-11-18 21:16:34,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 788 [2022-11-18 21:16:34,215 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:34,215 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:34,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 21:16:34,216 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:34,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:34,217 INFO L85 PathProgramCache]: Analyzing trace with hash -2100504620, now seen corresponding path program 1 times [2022-11-18 21:16:34,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:16:34,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981737396] [2022-11-18 21:16:34,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:16:34,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:16:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:38,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:16:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:38,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 21:16:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:38,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:16:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:38,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:16:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:38,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:16:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:38,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 21:16:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:38,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:16:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:38,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 21:16:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:38,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:16:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:38,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:16:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:38,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 21:16:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:38,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 21:16:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:38,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 21:16:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:38,062 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-18 21:16:38,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:16:38,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981737396] [2022-11-18 21:16:38,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981737396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:16:38,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:16:38,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:16:38,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49803397] [2022-11-18 21:16:38,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:16:38,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:16:38,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:16:38,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:16:38,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:16:38,066 INFO L87 Difference]: Start difference. First operand 3519 states and 5842 transitions. Second operand has 5 states, 5 states have (on average 145.0) internal successors, (725), 5 states have internal predecessors, (725), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 21:16:38,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:38,937 INFO L93 Difference]: Finished difference Result 10547 states and 17515 transitions. [2022-11-18 21:16:38,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:16:38,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 145.0) internal successors, (725), 5 states have internal predecessors, (725), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 787 [2022-11-18 21:16:38,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:38,947 INFO L225 Difference]: With dead ends: 10547 [2022-11-18 21:16:38,948 INFO L226 Difference]: Without dead ends: 7030 [2022-11-18 21:16:38,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:16:38,955 INFO L413 NwaCegarLoop]: 6699 mSDtfsCounter, 16467 mSDsluCounter, 5809 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16480 SdHoareTripleChecker+Valid, 12508 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:38,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16480 Valid, 12508 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 21:16:38,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7030 states. [2022-11-18 21:16:39,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7030 to 3519. [2022-11-18 21:16:39,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3519 states, 3504 states have (on average 1.6595319634703196) internal successors, (5815), 3504 states have internal predecessors, (5815), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 21:16:39,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 5841 transitions. [2022-11-18 21:16:39,064 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 5841 transitions. Word has length 787 [2022-11-18 21:16:39,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:39,066 INFO L495 AbstractCegarLoop]: Abstraction has 3519 states and 5841 transitions. [2022-11-18 21:16:39,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 145.0) internal successors, (725), 5 states have internal predecessors, (725), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 21:16:39,066 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 5841 transitions. [2022-11-18 21:16:39,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 789 [2022-11-18 21:16:39,076 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:39,076 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:39,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 21:16:39,077 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:39,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:39,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1916242104, now seen corresponding path program 1 times [2022-11-18 21:16:39,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:16:39,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62097505] [2022-11-18 21:16:39,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:16:39,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:16:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:42,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:16:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:42,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 21:16:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:42,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:16:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:42,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:16:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:42,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:16:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:42,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 21:16:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:42,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:16:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:42,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 21:16:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:42,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:16:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:42,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:16:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:42,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 21:16:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:42,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 21:16:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:42,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 21:16:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:42,446 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-18 21:16:42,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:16:42,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62097505] [2022-11-18 21:16:42,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62097505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:16:42,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:16:42,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:16:42,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775507698] [2022-11-18 21:16:42,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:16:42,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:16:42,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:16:42,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:16:42,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:16:42,451 INFO L87 Difference]: Start difference. First operand 3519 states and 5841 transitions. Second operand has 5 states, 5 states have (on average 145.2) internal successors, (726), 5 states have internal predecessors, (726), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 21:16:43,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:43,701 INFO L93 Difference]: Finished difference Result 10547 states and 17512 transitions. [2022-11-18 21:16:43,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:16:43,702 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 145.2) internal successors, (726), 5 states have internal predecessors, (726), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 788 [2022-11-18 21:16:43,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:43,710 INFO L225 Difference]: With dead ends: 10547 [2022-11-18 21:16:43,710 INFO L226 Difference]: Without dead ends: 7030 [2022-11-18 21:16:43,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:16:43,717 INFO L413 NwaCegarLoop]: 6700 mSDtfsCounter, 16460 mSDsluCounter, 5809 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16473 SdHoareTripleChecker+Valid, 12509 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:43,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16473 Valid, 12509 Invalid, 246 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [28 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 21:16:43,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7030 states. [2022-11-18 21:16:43,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7030 to 3519. [2022-11-18 21:16:43,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3519 states, 3504 states have (on average 1.6592465753424657) internal successors, (5814), 3504 states have internal predecessors, (5814), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 21:16:43,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 5840 transitions. [2022-11-18 21:16:43,846 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 5840 transitions. Word has length 788 [2022-11-18 21:16:43,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:43,848 INFO L495 AbstractCegarLoop]: Abstraction has 3519 states and 5840 transitions. [2022-11-18 21:16:43,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 145.2) internal successors, (726), 5 states have internal predecessors, (726), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 21:16:43,848 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 5840 transitions. [2022-11-18 21:16:43,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790 [2022-11-18 21:16:43,864 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:43,865 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:43,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 21:16:43,866 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:43,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:43,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1344182062, now seen corresponding path program 1 times [2022-11-18 21:16:43,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:16:43,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695484131] [2022-11-18 21:16:43,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:16:43,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:16:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:47,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:16:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:47,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 21:16:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:47,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:16:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:47,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:16:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:47,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:16:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:47,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 21:16:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:16:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:47,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 21:16:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:47,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:16:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:47,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:16:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:47,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 21:16:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:47,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 21:16:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:47,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 21:16:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:47,915 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-18 21:16:47,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:16:47,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695484131] [2022-11-18 21:16:47,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695484131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:16:47,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:16:47,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:16:47,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182803856] [2022-11-18 21:16:47,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:16:47,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:16:47,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:16:47,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:16:47,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:16:47,920 INFO L87 Difference]: Start difference. First operand 3519 states and 5840 transitions. Second operand has 5 states, 5 states have (on average 145.4) internal successors, (727), 5 states have internal predecessors, (727), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 21:16:48,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:48,731 INFO L93 Difference]: Finished difference Result 10547 states and 17509 transitions. [2022-11-18 21:16:48,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:16:48,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 145.4) internal successors, (727), 5 states have internal predecessors, (727), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 789 [2022-11-18 21:16:48,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:48,740 INFO L225 Difference]: With dead ends: 10547 [2022-11-18 21:16:48,741 INFO L226 Difference]: Without dead ends: 7030 [2022-11-18 21:16:48,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:16:48,746 INFO L413 NwaCegarLoop]: 7080 mSDtfsCounter, 16069 mSDsluCounter, 5809 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16082 SdHoareTripleChecker+Valid, 12889 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:48,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16082 Valid, 12889 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 21:16:48,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7030 states. [2022-11-18 21:16:48,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7030 to 3519. [2022-11-18 21:16:48,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3519 states, 3504 states have (on average 1.658961187214612) internal successors, (5813), 3504 states have internal predecessors, (5813), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 21:16:48,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 5839 transitions. [2022-11-18 21:16:48,849 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 5839 transitions. Word has length 789 [2022-11-18 21:16:48,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:48,850 INFO L495 AbstractCegarLoop]: Abstraction has 3519 states and 5839 transitions. [2022-11-18 21:16:48,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 145.4) internal successors, (727), 5 states have internal predecessors, (727), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 21:16:48,851 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 5839 transitions. [2022-11-18 21:16:48,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2022-11-18 21:16:48,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:48,861 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:48,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 21:16:48,862 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:48,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:48,863 INFO L85 PathProgramCache]: Analyzing trace with hash 221657456, now seen corresponding path program 1 times [2022-11-18 21:16:48,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:16:48,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253587382] [2022-11-18 21:16:48,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:16:48,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:16:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:53,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:16:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:53,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 21:16:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:53,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:16:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:53,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:16:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:53,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:16:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:53,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 21:16:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:53,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:16:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:53,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 21:16:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:53,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:16:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:53,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:16:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:53,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 21:16:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:53,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 21:16:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:53,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 21:16:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:16:53,657 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-18 21:16:53,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:16:53,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253587382] [2022-11-18 21:16:53,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253587382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:16:53,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:16:53,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:16:53,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901078692] [2022-11-18 21:16:53,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:16:53,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:16:53,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:16:53,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:16:53,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:16:53,662 INFO L87 Difference]: Start difference. First operand 3519 states and 5839 transitions. Second operand has 5 states, 5 states have (on average 145.6) internal successors, (728), 5 states have internal predecessors, (728), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 21:16:55,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:16:55,100 INFO L93 Difference]: Finished difference Result 10547 states and 17506 transitions. [2022-11-18 21:16:55,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:16:55,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 145.6) internal successors, (728), 5 states have internal predecessors, (728), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 790 [2022-11-18 21:16:55,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:16:55,110 INFO L225 Difference]: With dead ends: 10547 [2022-11-18 21:16:55,110 INFO L226 Difference]: Without dead ends: 7030 [2022-11-18 21:16:55,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:16:55,120 INFO L413 NwaCegarLoop]: 7081 mSDtfsCounter, 25759 mSDsluCounter, 5779 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25772 SdHoareTripleChecker+Valid, 12860 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:16:55,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25772 Valid, 12860 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 21:16:55,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7030 states. [2022-11-18 21:16:55,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7030 to 3519. [2022-11-18 21:16:55,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3519 states, 3504 states have (on average 1.658675799086758) internal successors, (5812), 3504 states have internal predecessors, (5812), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 21:16:55,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 5838 transitions. [2022-11-18 21:16:55,234 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 5838 transitions. Word has length 790 [2022-11-18 21:16:55,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:16:55,235 INFO L495 AbstractCegarLoop]: Abstraction has 3519 states and 5838 transitions. [2022-11-18 21:16:55,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 145.6) internal successors, (728), 5 states have internal predecessors, (728), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 21:16:55,236 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 5838 transitions. [2022-11-18 21:16:55,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 792 [2022-11-18 21:16:55,245 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:16:55,246 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:16:55,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 21:16:55,246 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:16:55,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:16:55,247 INFO L85 PathProgramCache]: Analyzing trace with hash -423424044, now seen corresponding path program 1 times [2022-11-18 21:16:55,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:16:55,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403308221] [2022-11-18 21:16:55,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:16:55,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:16:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat