./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label33.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label33.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2175eebe64ea8c44232439b071a8f90dfd26c4ea62c7d488d233e915c25d2276 --- 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-b5237d8 [2022-11-21 14:03:43,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 14:03:43,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 14:03:43,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 14:03:43,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 14:03:43,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 14:03:43,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 14:03:43,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 14:03:43,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 14:03:43,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 14:03:43,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 14:03:43,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 14:03:43,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 14:03:43,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 14:03:43,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 14:03:43,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 14:03:43,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 14:03:43,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 14:03:43,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 14:03:43,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 14:03:43,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 14:03:43,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 14:03:43,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 14:03:43,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 14:03:43,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 14:03:43,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 14:03:43,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 14:03:43,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 14:03:43,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 14:03:43,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 14:03:43,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 14:03:43,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 14:03:43,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 14:03:43,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 14:03:43,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 14:03:43,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 14:03:43,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 14:03:43,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 14:03:43,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 14:03:43,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 14:03:43,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 14:03:43,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 14:03:43,841 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 14:03:43,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 14:03:43,842 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 14:03:43,843 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 14:03:43,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 14:03:43,844 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 14:03:43,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 14:03:43,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 14:03:43,845 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 14:03:43,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 14:03:43,845 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 14:03:43,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 14:03:43,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 14:03:43,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 14:03:43,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 14:03:43,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 14:03:43,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 14:03:43,847 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 14:03:43,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 14:03:43,848 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 14:03:43,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 14:03:43,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 14:03:43,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 14:03:43,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 14:03:43,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 14:03:43,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 14:03:43,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 14:03:43,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 14:03:43,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 14:03:43,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 14:03:43,850 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 14:03:43,851 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 14:03:43,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 14:03:43,851 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_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2175eebe64ea8c44232439b071a8f90dfd26c4ea62c7d488d233e915c25d2276 [2022-11-21 14:03:44,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 14:03:44,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 14:03:44,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 14:03:44,143 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 14:03:44,144 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 14:03:44,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/eca-rers2012/Problem03_label33.c [2022-11-21 14:03:47,315 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 14:03:47,811 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 14:03:47,812 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/sv-benchmarks/c/eca-rers2012/Problem03_label33.c [2022-11-21 14:03:47,826 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/data/96775d230/c6d13ab1c0164304960163cf8ae28d20/FLAG00e493c7b [2022-11-21 14:03:47,842 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/data/96775d230/c6d13ab1c0164304960163cf8ae28d20 [2022-11-21 14:03:47,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 14:03:47,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 14:03:47,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 14:03:47,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 14:03:47,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 14:03:47,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:03:47" (1/1) ... [2022-11-21 14:03:47,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bda521e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:47, skipping insertion in model container [2022-11-21 14:03:47,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:03:47" (1/1) ... [2022-11-21 14:03:47,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 14:03:47,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 14:03:48,532 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/sv-benchmarks/c/eca-rers2012/Problem03_label33.c[55678,55691] [2022-11-21 14:03:48,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 14:03:48,597 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 14:03:48,866 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/sv-benchmarks/c/eca-rers2012/Problem03_label33.c[55678,55691] [2022-11-21 14:03:48,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 14:03:48,903 INFO L208 MainTranslator]: Completed translation [2022-11-21 14:03:48,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:48 WrapperNode [2022-11-21 14:03:48,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 14:03:48,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 14:03:48,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 14:03:48,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 14:03:48,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:48" (1/1) ... [2022-11-21 14:03:48,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:48" (1/1) ... [2022-11-21 14:03:49,106 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-11-21 14:03:49,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 14:03:49,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 14:03:49,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 14:03:49,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 14:03:49,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:48" (1/1) ... [2022-11-21 14:03:49,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:48" (1/1) ... [2022-11-21 14:03:49,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:48" (1/1) ... [2022-11-21 14:03:49,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:48" (1/1) ... [2022-11-21 14:03:49,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:48" (1/1) ... [2022-11-21 14:03:49,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:48" (1/1) ... [2022-11-21 14:03:49,250 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:48" (1/1) ... [2022-11-21 14:03:49,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:48" (1/1) ... [2022-11-21 14:03:49,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 14:03:49,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 14:03:49,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 14:03:49,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 14:03:49,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:48" (1/1) ... [2022-11-21 14:03:49,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 14:03:49,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 14:03:49,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 14:03:49,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 14:03:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 14:03:49,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 14:03:49,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 14:03:49,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 14:03:49,476 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 14:03:49,478 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 14:03:51,479 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 14:03:51,503 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 14:03:51,504 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 14:03:51,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:03:51 BoogieIcfgContainer [2022-11-21 14:03:51,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 14:03:51,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 14:03:51,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 14:03:51,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 14:03:51,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 02:03:47" (1/3) ... [2022-11-21 14:03:51,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abfc170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:03:51, skipping insertion in model container [2022-11-21 14:03:51,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:48" (2/3) ... [2022-11-21 14:03:51,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abfc170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:03:51, skipping insertion in model container [2022-11-21 14:03:51,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:03:51" (3/3) ... [2022-11-21 14:03:51,523 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label33.c [2022-11-21 14:03:51,542 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 14:03:51,542 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 14:03:51,624 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 14:03:51,632 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;@3a7a5b53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 14:03:51,633 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 14:03:51,641 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:51,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-21 14:03:51,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:51,663 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:03:51,664 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:03:51,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:51,673 INFO L85 PathProgramCache]: Analyzing trace with hash 263676051, now seen corresponding path program 1 times [2022-11-21 14:03:51,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:51,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433502574] [2022-11-21 14:03:51,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:51,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:52,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:03:52,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:03:52,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433502574] [2022-11-21 14:03:52,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433502574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:03:52,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:03:52,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 14:03:52,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309726458] [2022-11-21 14:03:52,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:03:52,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:03:52,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:03:52,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:03:52,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:03:52,516 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:53,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:03:53,869 INFO L93 Difference]: Finished difference Result 829 states and 1478 transitions. [2022-11-21 14:03:53,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:03:53,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159 [2022-11-21 14:03:53,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:03:53,885 INFO L225 Difference]: With dead ends: 829 [2022-11-21 14:03:53,885 INFO L226 Difference]: Without dead ends: 463 [2022-11-21 14:03:53,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:03:53,892 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 132 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-21 14:03:53,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 127 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-21 14:03:53,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2022-11-21 14:03:53,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 449. [2022-11-21 14:03:53,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 448 states have (on average 1.6183035714285714) internal successors, (725), 448 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:53,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 725 transitions. [2022-11-21 14:03:53,951 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 725 transitions. Word has length 159 [2022-11-21 14:03:53,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:03:53,952 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 725 transitions. [2022-11-21 14:03:53,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:53,952 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 725 transitions. [2022-11-21 14:03:53,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-21 14:03:53,956 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:53,956 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:03:53,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 14:03:53,956 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:03:53,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:53,957 INFO L85 PathProgramCache]: Analyzing trace with hash 2003484099, now seen corresponding path program 1 times [2022-11-21 14:03:53,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:53,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226800600] [2022-11-21 14:03:53,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:53,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:54,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:03:54,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:03:54,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226800600] [2022-11-21 14:03:54,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226800600] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:03:54,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:03:54,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 14:03:54,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683122534] [2022-11-21 14:03:54,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:03:54,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:03:54,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:03:54,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:03:54,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:03:54,275 INFO L87 Difference]: Start difference. First operand 449 states and 725 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:55,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:03:55,301 INFO L93 Difference]: Finished difference Result 1319 states and 2138 transitions. [2022-11-21 14:03:55,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:03:55,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 164 [2022-11-21 14:03:55,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:03:55,305 INFO L225 Difference]: With dead ends: 1319 [2022-11-21 14:03:55,306 INFO L226 Difference]: Without dead ends: 872 [2022-11-21 14:03:55,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:03:55,308 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 249 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 14:03:55,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 150 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 14:03:55,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2022-11-21 14:03:55,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 870. [2022-11-21 14:03:55,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 869 states have (on average 1.5120828538550057) internal successors, (1314), 869 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:55,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1314 transitions. [2022-11-21 14:03:55,354 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1314 transitions. Word has length 164 [2022-11-21 14:03:55,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:03:55,355 INFO L495 AbstractCegarLoop]: Abstraction has 870 states and 1314 transitions. [2022-11-21 14:03:55,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:55,355 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1314 transitions. [2022-11-21 14:03:55,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-11-21 14:03:55,359 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:55,359 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:03:55,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 14:03:55,360 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:03:55,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:55,360 INFO L85 PathProgramCache]: Analyzing trace with hash -254954995, now seen corresponding path program 1 times [2022-11-21 14:03:55,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:55,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041575592] [2022-11-21 14:03:55,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:55,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:55,610 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 14:03:55,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:03:55,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041575592] [2022-11-21 14:03:55,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041575592] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:03:55,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:03:55,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 14:03:55,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188801849] [2022-11-21 14:03:55,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:03:55,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:03:55,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:03:55,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:03:55,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:03:55,613 INFO L87 Difference]: Start difference. First operand 870 states and 1314 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:56,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:03:56,650 INFO L93 Difference]: Finished difference Result 2554 states and 3869 transitions. [2022-11-21 14:03:56,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:03:56,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 179 [2022-11-21 14:03:56,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:03:56,656 INFO L225 Difference]: With dead ends: 2554 [2022-11-21 14:03:56,657 INFO L226 Difference]: Without dead ends: 1686 [2022-11-21 14:03:56,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:03:56,659 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 232 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 14:03:56,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 417 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 14:03:56,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2022-11-21 14:03:56,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1684. [2022-11-21 14:03:56,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1683 states have (on average 1.3363042186571599) internal successors, (2249), 1683 states have internal predecessors, (2249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:56,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2249 transitions. [2022-11-21 14:03:56,699 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2249 transitions. Word has length 179 [2022-11-21 14:03:56,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:03:56,700 INFO L495 AbstractCegarLoop]: Abstraction has 1684 states and 2249 transitions. [2022-11-21 14:03:56,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:56,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2249 transitions. [2022-11-21 14:03:56,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-21 14:03:56,705 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:56,706 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:03:56,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 14:03:56,706 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:03:56,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:56,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1714782896, now seen corresponding path program 1 times [2022-11-21 14:03:56,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:56,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624086812] [2022-11-21 14:03:56,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:56,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:57,137 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:03:57,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:03:57,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624086812] [2022-11-21 14:03:57,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624086812] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:03:57,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:03:57,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 14:03:57,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456443985] [2022-11-21 14:03:57,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:03:57,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:03:57,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:03:57,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:03:57,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:03:57,140 INFO L87 Difference]: Start difference. First operand 1684 states and 2249 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:58,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:03:58,108 INFO L93 Difference]: Finished difference Result 5017 states and 6707 transitions. [2022-11-21 14:03:58,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:03:58,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 182 [2022-11-21 14:03:58,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:03:58,120 INFO L225 Difference]: With dead ends: 5017 [2022-11-21 14:03:58,120 INFO L226 Difference]: Without dead ends: 3335 [2022-11-21 14:03:58,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:03:58,124 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 259 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 14:03:58,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 123 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 14:03:58,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3335 states. [2022-11-21 14:03:58,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3335 to 3326. [2022-11-21 14:03:58,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3326 states, 3325 states have (on average 1.3230075187969925) internal successors, (4399), 3325 states have internal predecessors, (4399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:58,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3326 states to 3326 states and 4399 transitions. [2022-11-21 14:03:58,228 INFO L78 Accepts]: Start accepts. Automaton has 3326 states and 4399 transitions. Word has length 182 [2022-11-21 14:03:58,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:03:58,228 INFO L495 AbstractCegarLoop]: Abstraction has 3326 states and 4399 transitions. [2022-11-21 14:03:58,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:58,229 INFO L276 IsEmpty]: Start isEmpty. Operand 3326 states and 4399 transitions. [2022-11-21 14:03:58,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-21 14:03:58,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:58,235 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:03:58,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 14:03:58,235 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:03:58,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:58,236 INFO L85 PathProgramCache]: Analyzing trace with hash 286183656, now seen corresponding path program 1 times [2022-11-21 14:03:58,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:58,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112292442] [2022-11-21 14:03:58,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:58,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:58,501 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:03:58,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:03:58,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112292442] [2022-11-21 14:03:58,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112292442] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:03:58,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:03:58,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 14:03:58,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040968595] [2022-11-21 14:03:58,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:03:58,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:03:58,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:03:58,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:03:58,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:03:58,505 INFO L87 Difference]: Start difference. First operand 3326 states and 4399 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:59,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:03:59,425 INFO L93 Difference]: Finished difference Result 9926 states and 13144 transitions. [2022-11-21 14:03:59,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:03:59,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 185 [2022-11-21 14:03:59,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:03:59,447 INFO L225 Difference]: With dead ends: 9926 [2022-11-21 14:03:59,447 INFO L226 Difference]: Without dead ends: 6602 [2022-11-21 14:03:59,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:03:59,453 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 217 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 14:03:59,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 168 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 14:03:59,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6602 states. [2022-11-21 14:03:59,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6602 to 5768. [2022-11-21 14:03:59,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5768 states, 5767 states have (on average 1.33674354083579) internal successors, (7709), 5767 states have internal predecessors, (7709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:59,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5768 states to 5768 states and 7709 transitions. [2022-11-21 14:03:59,633 INFO L78 Accepts]: Start accepts. Automaton has 5768 states and 7709 transitions. Word has length 185 [2022-11-21 14:03:59,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:03:59,634 INFO L495 AbstractCegarLoop]: Abstraction has 5768 states and 7709 transitions. [2022-11-21 14:03:59,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:59,638 INFO L276 IsEmpty]: Start isEmpty. Operand 5768 states and 7709 transitions. [2022-11-21 14:03:59,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-11-21 14:03:59,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:59,647 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:03:59,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 14:03:59,648 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:03:59,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:59,650 INFO L85 PathProgramCache]: Analyzing trace with hash -244964331, now seen corresponding path program 1 times [2022-11-21 14:03:59,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:59,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307966231] [2022-11-21 14:03:59,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:59,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:00,223 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-21 14:04:00,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:00,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307966231] [2022-11-21 14:04:00,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307966231] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:00,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:00,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 14:04:00,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093780844] [2022-11-21 14:04:00,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:00,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:00,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:00,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:00,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:00,227 INFO L87 Difference]: Start difference. First operand 5768 states and 7709 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:01,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:01,239 INFO L93 Difference]: Finished difference Result 15634 states and 21101 transitions. [2022-11-21 14:04:01,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:01,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 202 [2022-11-21 14:04:01,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:01,269 INFO L225 Difference]: With dead ends: 15634 [2022-11-21 14:04:01,269 INFO L226 Difference]: Without dead ends: 9868 [2022-11-21 14:04:01,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:01,277 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 211 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:01,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 188 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 14:04:01,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9868 states. [2022-11-21 14:04:01,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9868 to 9643. [2022-11-21 14:04:01,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9643 states, 9642 states have (on average 1.356461315079859) internal successors, (13079), 9642 states have internal predecessors, (13079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:01,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9643 states to 9643 states and 13079 transitions. [2022-11-21 14:04:01,553 INFO L78 Accepts]: Start accepts. Automaton has 9643 states and 13079 transitions. Word has length 202 [2022-11-21 14:04:01,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:01,555 INFO L495 AbstractCegarLoop]: Abstraction has 9643 states and 13079 transitions. [2022-11-21 14:04:01,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:01,556 INFO L276 IsEmpty]: Start isEmpty. Operand 9643 states and 13079 transitions. [2022-11-21 14:04:01,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-21 14:04:01,570 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:01,571 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:01,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 14:04:01,571 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:04:01,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:01,572 INFO L85 PathProgramCache]: Analyzing trace with hash 55439515, now seen corresponding path program 1 times [2022-11-21 14:04:01,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:01,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122794759] [2022-11-21 14:04:01,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:01,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:02,238 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-21 14:04:02,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:02,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122794759] [2022-11-21 14:04:02,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122794759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:02,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:02,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 14:04:02,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413288437] [2022-11-21 14:04:02,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:02,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:02,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:02,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:02,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:02,241 INFO L87 Difference]: Start difference. First operand 9643 states and 13079 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:03,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:03,242 INFO L93 Difference]: Finished difference Result 22544 states and 30610 transitions. [2022-11-21 14:04:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:03,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 204 [2022-11-21 14:04:03,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:03,284 INFO L225 Difference]: With dead ends: 22544 [2022-11-21 14:04:03,290 INFO L226 Difference]: Without dead ends: 12903 [2022-11-21 14:04:03,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:03,303 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 204 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:03,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 173 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 14:04:03,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12903 states. [2022-11-21 14:04:03,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12903 to 12891. [2022-11-21 14:04:03,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12891 states, 12890 states have (on average 1.3324282389449185) internal successors, (17175), 12890 states have internal predecessors, (17175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:03,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12891 states to 12891 states and 17175 transitions. [2022-11-21 14:04:03,634 INFO L78 Accepts]: Start accepts. Automaton has 12891 states and 17175 transitions. Word has length 204 [2022-11-21 14:04:03,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:03,635 INFO L495 AbstractCegarLoop]: Abstraction has 12891 states and 17175 transitions. [2022-11-21 14:04:03,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:03,636 INFO L276 IsEmpty]: Start isEmpty. Operand 12891 states and 17175 transitions. [2022-11-21 14:04:03,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-11-21 14:04:03,650 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:03,652 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:03,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 14:04:03,652 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:04:03,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:03,653 INFO L85 PathProgramCache]: Analyzing trace with hash 2131448838, now seen corresponding path program 1 times [2022-11-21 14:04:03,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:03,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110897109] [2022-11-21 14:04:03,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:03,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:04,301 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-21 14:04:04,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:04,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110897109] [2022-11-21 14:04:04,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110897109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:04,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:04,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 14:04:04,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065952531] [2022-11-21 14:04:04,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:04,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:04,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:04,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:04,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:04,304 INFO L87 Difference]: Start difference. First operand 12891 states and 17175 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:05,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:05,329 INFO L93 Difference]: Finished difference Result 28632 states and 37901 transitions. [2022-11-21 14:04:05,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:05,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 205 [2022-11-21 14:04:05,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:05,363 INFO L225 Difference]: With dead ends: 28632 [2022-11-21 14:04:05,363 INFO L226 Difference]: Without dead ends: 16353 [2022-11-21 14:04:05,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:05,377 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 205 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:05,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 159 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 14:04:05,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16353 states. [2022-11-21 14:04:05,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16353 to 16350. [2022-11-21 14:04:05,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16350 states, 16349 states have (on average 1.313719493547006) internal successors, (21478), 16349 states have internal predecessors, (21478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:05,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16350 states to 16350 states and 21478 transitions. [2022-11-21 14:04:05,788 INFO L78 Accepts]: Start accepts. Automaton has 16350 states and 21478 transitions. Word has length 205 [2022-11-21 14:04:05,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:05,788 INFO L495 AbstractCegarLoop]: Abstraction has 16350 states and 21478 transitions. [2022-11-21 14:04:05,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:05,789 INFO L276 IsEmpty]: Start isEmpty. Operand 16350 states and 21478 transitions. [2022-11-21 14:04:05,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-11-21 14:04:05,810 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:05,810 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:05,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 14:04:05,812 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:04:05,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:05,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1409175678, now seen corresponding path program 1 times [2022-11-21 14:04:05,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:05,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943426011] [2022-11-21 14:04:05,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:05,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:06,207 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-21 14:04:06,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:06,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943426011] [2022-11-21 14:04:06,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943426011] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:06,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:06,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 14:04:06,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011114137] [2022-11-21 14:04:06,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:06,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:06,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:06,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:06,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:06,212 INFO L87 Difference]: Start difference. First operand 16350 states and 21478 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:07,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:07,316 INFO L93 Difference]: Finished difference Result 37380 states and 48886 transitions. [2022-11-21 14:04:07,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:07,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 207 [2022-11-21 14:04:07,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:07,352 INFO L225 Difference]: With dead ends: 37380 [2022-11-21 14:04:07,353 INFO L226 Difference]: Without dead ends: 21642 [2022-11-21 14:04:07,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:07,368 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 203 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:07,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 423 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 14:04:07,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21642 states. [2022-11-21 14:04:07,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21642 to 21638. [2022-11-21 14:04:07,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21638 states, 21637 states have (on average 1.2716180616536488) internal successors, (27514), 21637 states have internal predecessors, (27514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:07,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21638 states to 21638 states and 27514 transitions. [2022-11-21 14:04:07,842 INFO L78 Accepts]: Start accepts. Automaton has 21638 states and 27514 transitions. Word has length 207 [2022-11-21 14:04:07,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:07,846 INFO L495 AbstractCegarLoop]: Abstraction has 21638 states and 27514 transitions. [2022-11-21 14:04:07,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:07,847 INFO L276 IsEmpty]: Start isEmpty. Operand 21638 states and 27514 transitions. [2022-11-21 14:04:07,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-11-21 14:04:07,872 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:07,872 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:07,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 14:04:07,872 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:04:07,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:07,878 INFO L85 PathProgramCache]: Analyzing trace with hash -488323386, now seen corresponding path program 1 times [2022-11-21 14:04:07,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:07,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989999458] [2022-11-21 14:04:07,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:07,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,452 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 50 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-21 14:04:08,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:08,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989999458] [2022-11-21 14:04:08,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989999458] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 14:04:08,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221255099] [2022-11-21 14:04:08,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:08,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 14:04:08,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 14:04:08,459 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 14:04:08,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 14:04:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 14:04:08,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 14:04:08,847 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-21 14:04:08,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 14:04:08,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221255099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:08,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 14:04:08,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-11-21 14:04:08,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883722352] [2022-11-21 14:04:08,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:08,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:08,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:08,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:08,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:04:08,850 INFO L87 Difference]: Start difference. First operand 21638 states and 27514 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:09,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:09,971 INFO L93 Difference]: Finished difference Result 54470 states and 69463 transitions. [2022-11-21 14:04:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:09,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 211 [2022-11-21 14:04:09,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:10,031 INFO L225 Difference]: With dead ends: 54470 [2022-11-21 14:04:10,032 INFO L226 Difference]: Without dead ends: 33037 [2022-11-21 14:04:10,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:04:10,050 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 233 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:10,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 168 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 14:04:10,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33037 states. [2022-11-21 14:04:10,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33037 to 30800. [2022-11-21 14:04:10,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30800 states, 30799 states have (on average 1.2554953082892302) internal successors, (38668), 30799 states have internal predecessors, (38668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:10,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30800 states to 30800 states and 38668 transitions. [2022-11-21 14:04:10,783 INFO L78 Accepts]: Start accepts. Automaton has 30800 states and 38668 transitions. Word has length 211 [2022-11-21 14:04:10,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:10,783 INFO L495 AbstractCegarLoop]: Abstraction has 30800 states and 38668 transitions. [2022-11-21 14:04:10,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:10,784 INFO L276 IsEmpty]: Start isEmpty. Operand 30800 states and 38668 transitions. [2022-11-21 14:04:10,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-21 14:04:10,830 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:10,832 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:10,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 14:04:11,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-21 14:04:11,043 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:04:11,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:11,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1310328619, now seen corresponding path program 1 times [2022-11-21 14:04:11,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:11,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120987729] [2022-11-21 14:04:11,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:11,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:11,834 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-21 14:04:11,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:11,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120987729] [2022-11-21 14:04:11,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120987729] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:11,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:11,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 14:04:11,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158171615] [2022-11-21 14:04:11,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:11,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:11,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:11,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:11,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:11,838 INFO L87 Difference]: Start difference. First operand 30800 states and 38668 transitions. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:13,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:13,107 INFO L93 Difference]: Finished difference Result 63040 states and 78984 transitions. [2022-11-21 14:04:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:13,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-11-21 14:04:13,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:13,162 INFO L225 Difference]: With dead ends: 63040 [2022-11-21 14:04:13,162 INFO L226 Difference]: Without dead ends: 37533 [2022-11-21 14:04:13,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:13,177 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 197 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:13,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 211 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 14:04:13,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37533 states. [2022-11-21 14:04:13,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37533 to 37519. [2022-11-21 14:04:13,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37519 states, 37518 states have (on average 1.2423636654405885) internal successors, (46611), 37518 states have internal predecessors, (46611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:13,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37519 states to 37519 states and 46611 transitions. [2022-11-21 14:04:13,692 INFO L78 Accepts]: Start accepts. Automaton has 37519 states and 46611 transitions. Word has length 219 [2022-11-21 14:04:13,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:13,693 INFO L495 AbstractCegarLoop]: Abstraction has 37519 states and 46611 transitions. [2022-11-21 14:04:13,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:13,693 INFO L276 IsEmpty]: Start isEmpty. Operand 37519 states and 46611 transitions. [2022-11-21 14:04:13,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-11-21 14:04:13,736 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:13,737 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:13,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 14:04:13,737 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:04:13,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:13,738 INFO L85 PathProgramCache]: Analyzing trace with hash -964122806, now seen corresponding path program 1 times [2022-11-21 14:04:13,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:13,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311270087] [2022-11-21 14:04:13,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:13,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:14,473 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-21 14:04:14,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:14,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311270087] [2022-11-21 14:04:14,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311270087] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 14:04:14,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644662270] [2022-11-21 14:04:14,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:14,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 14:04:14,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 14:04:14,475 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 14:04:14,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 14:04:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:14,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 14:04:14,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 14:04:14,766 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 14:04:14,768 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 14:04:14,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644662270] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:14,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 14:04:14,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-21 14:04:14,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096831987] [2022-11-21 14:04:14,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:14,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:14,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:14,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:14,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:04:14,776 INFO L87 Difference]: Start difference. First operand 37519 states and 46611 transitions. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:16,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:16,053 INFO L93 Difference]: Finished difference Result 87421 states and 110638 transitions. [2022-11-21 14:04:16,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:16,053 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 226 [2022-11-21 14:04:16,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:16,135 INFO L225 Difference]: With dead ends: 87421 [2022-11-21 14:04:16,135 INFO L226 Difference]: Without dead ends: 50717 [2022-11-21 14:04:16,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:04:16,157 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 228 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:16,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 167 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 14:04:16,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50717 states. [2022-11-21 14:04:16,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50717 to 50714. [2022-11-21 14:04:16,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50714 states, 50713 states have (on average 1.2063770630804724) internal successors, (61179), 50713 states have internal predecessors, (61179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:17,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50714 states to 50714 states and 61179 transitions. [2022-11-21 14:04:17,002 INFO L78 Accepts]: Start accepts. Automaton has 50714 states and 61179 transitions. Word has length 226 [2022-11-21 14:04:17,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:17,003 INFO L495 AbstractCegarLoop]: Abstraction has 50714 states and 61179 transitions. [2022-11-21 14:04:17,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:17,003 INFO L276 IsEmpty]: Start isEmpty. Operand 50714 states and 61179 transitions. [2022-11-21 14:04:17,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-11-21 14:04:17,067 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:17,069 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:17,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-21 14:04:17,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 14:04:17,270 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:04:17,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:17,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1990507994, now seen corresponding path program 1 times [2022-11-21 14:04:17,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:17,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142242149] [2022-11-21 14:04:17,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:17,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:17,896 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-21 14:04:17,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:17,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142242149] [2022-11-21 14:04:17,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142242149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:17,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:17,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 14:04:17,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072400462] [2022-11-21 14:04:17,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:17,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:17,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:17,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:17,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:17,900 INFO L87 Difference]: Start difference. First operand 50714 states and 61179 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:19,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:19,127 INFO L93 Difference]: Finished difference Result 100829 states and 121854 transitions. [2022-11-21 14:04:19,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:19,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 230 [2022-11-21 14:04:19,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:19,342 INFO L225 Difference]: With dead ends: 100829 [2022-11-21 14:04:19,342 INFO L226 Difference]: Without dead ends: 51744 [2022-11-21 14:04:19,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:19,379 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 214 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:19,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 402 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 14:04:19,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51744 states. [2022-11-21 14:04:20,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51744 to 44000. [2022-11-21 14:04:20,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44000 states, 43999 states have (on average 1.2026182413236663) internal successors, (52914), 43999 states have internal predecessors, (52914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:20,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44000 states to 44000 states and 52914 transitions. [2022-11-21 14:04:20,297 INFO L78 Accepts]: Start accepts. Automaton has 44000 states and 52914 transitions. Word has length 230 [2022-11-21 14:04:20,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:20,298 INFO L495 AbstractCegarLoop]: Abstraction has 44000 states and 52914 transitions. [2022-11-21 14:04:20,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:20,298 INFO L276 IsEmpty]: Start isEmpty. Operand 44000 states and 52914 transitions. [2022-11-21 14:04:20,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-11-21 14:04:20,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:20,325 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:20,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 14:04:20,326 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:04:20,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:20,326 INFO L85 PathProgramCache]: Analyzing trace with hash -392881298, now seen corresponding path program 1 times [2022-11-21 14:04:20,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:20,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485980827] [2022-11-21 14:04:20,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:20,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:20,959 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 96 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-21 14:04:20,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:20,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485980827] [2022-11-21 14:04:20,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485980827] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 14:04:20,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17049300] [2022-11-21 14:04:20,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:20,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 14:04:20,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 14:04:20,961 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 14:04:20,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 14:04:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:21,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 14:04:21,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 14:04:21,232 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-21 14:04:21,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 14:04:21,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17049300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:21,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 14:04:21,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-21 14:04:21,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945207019] [2022-11-21 14:04:21,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:21,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:21,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:21,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:21,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:04:21,234 INFO L87 Difference]: Start difference. First operand 44000 states and 52914 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:22,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:22,385 INFO L93 Difference]: Finished difference Result 86983 states and 104687 transitions. [2022-11-21 14:04:22,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:22,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 246 [2022-11-21 14:04:22,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:22,440 INFO L225 Difference]: With dead ends: 86983 [2022-11-21 14:04:22,440 INFO L226 Difference]: Without dead ends: 43798 [2022-11-21 14:04:22,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:04:22,470 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 260 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:22,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 97 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 14:04:22,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43798 states. [2022-11-21 14:04:22,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43798 to 43795. [2022-11-21 14:04:23,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43795 states, 43794 states have (on average 1.189889025893958) internal successors, (52110), 43794 states have internal predecessors, (52110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:23,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43795 states to 43795 states and 52110 transitions. [2022-11-21 14:04:23,043 INFO L78 Accepts]: Start accepts. Automaton has 43795 states and 52110 transitions. Word has length 246 [2022-11-21 14:04:23,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:23,044 INFO L495 AbstractCegarLoop]: Abstraction has 43795 states and 52110 transitions. [2022-11-21 14:04:23,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:23,044 INFO L276 IsEmpty]: Start isEmpty. Operand 43795 states and 52110 transitions. [2022-11-21 14:04:23,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-11-21 14:04:23,057 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:23,058 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:23,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 14:04:23,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 14:04:23,263 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:04:23,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:23,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1765368577, now seen corresponding path program 1 times [2022-11-21 14:04:23,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:23,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488434216] [2022-11-21 14:04:23,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:23,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:23,741 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-21 14:04:23,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:23,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488434216] [2022-11-21 14:04:23,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488434216] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:23,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:23,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 14:04:23,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621442362] [2022-11-21 14:04:23,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:23,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 14:04:23,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:23,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 14:04:23,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 14:04:23,744 INFO L87 Difference]: Start difference. First operand 43795 states and 52110 transitions. Second operand has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:25,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:25,363 INFO L93 Difference]: Finished difference Result 86809 states and 103380 transitions. [2022-11-21 14:04:25,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 14:04:25,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 246 [2022-11-21 14:04:25,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:25,399 INFO L225 Difference]: With dead ends: 86809 [2022-11-21 14:04:25,399 INFO L226 Difference]: Without dead ends: 43829 [2022-11-21 14:04:25,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 14:04:25,420 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 447 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1053 mSolverCounterSat, 339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 1392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 339 IncrementalHoareTripleChecker+Valid, 1053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:25,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 158 Invalid, 1392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [339 Valid, 1053 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-21 14:04:25,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43829 states. [2022-11-21 14:04:25,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43829 to 42372. [2022-11-21 14:04:25,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42372 states, 42371 states have (on average 1.1922777371315287) internal successors, (50518), 42371 states have internal predecessors, (50518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:25,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42372 states to 42372 states and 50518 transitions. [2022-11-21 14:04:25,896 INFO L78 Accepts]: Start accepts. Automaton has 42372 states and 50518 transitions. Word has length 246 [2022-11-21 14:04:25,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:25,897 INFO L495 AbstractCegarLoop]: Abstraction has 42372 states and 50518 transitions. [2022-11-21 14:04:25,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:25,897 INFO L276 IsEmpty]: Start isEmpty. Operand 42372 states and 50518 transitions. [2022-11-21 14:04:25,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-21 14:04:25,910 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:25,910 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:25,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 14:04:25,911 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:04:25,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:25,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1579003028, now seen corresponding path program 1 times [2022-11-21 14:04:25,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:25,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942841693] [2022-11-21 14:04:25,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:25,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:26,514 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 109 proven. 6 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-11-21 14:04:26,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:26,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942841693] [2022-11-21 14:04:26,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942841693] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 14:04:26,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016478459] [2022-11-21 14:04:26,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:26,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 14:04:26,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 14:04:26,517 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 14:04:26,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 14:04:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:26,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 14:04:26,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 14:04:26,820 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-21 14:04:26,820 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 14:04:26,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016478459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:26,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 14:04:26,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-21 14:04:26,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553432356] [2022-11-21 14:04:26,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:26,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:26,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:26,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:26,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:04:26,824 INFO L87 Difference]: Start difference. First operand 42372 states and 50518 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:28,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:28,090 INFO L93 Difference]: Finished difference Result 82334 states and 97986 transitions. [2022-11-21 14:04:28,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:28,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 253 [2022-11-21 14:04:28,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:28,125 INFO L225 Difference]: With dead ends: 82334 [2022-11-21 14:04:28,125 INFO L226 Difference]: Without dead ends: 40370 [2022-11-21 14:04:28,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:04:28,134 INFO L413 NwaCegarLoop]: 368 mSDtfsCounter, 214 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:28,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 389 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 14:04:28,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40370 states. [2022-11-21 14:04:28,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40370 to 40342. [2022-11-21 14:04:28,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40342 states, 40341 states have (on average 1.1754790411739917) internal successors, (47420), 40341 states have internal predecessors, (47420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:28,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40342 states to 40342 states and 47420 transitions. [2022-11-21 14:04:28,473 INFO L78 Accepts]: Start accepts. Automaton has 40342 states and 47420 transitions. Word has length 253 [2022-11-21 14:04:28,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:28,473 INFO L495 AbstractCegarLoop]: Abstraction has 40342 states and 47420 transitions. [2022-11-21 14:04:28,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:28,474 INFO L276 IsEmpty]: Start isEmpty. Operand 40342 states and 47420 transitions. [2022-11-21 14:04:28,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-11-21 14:04:28,488 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:28,488 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:28,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-21 14:04:28,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-21 14:04:28,689 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:04:28,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:28,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1206876749, now seen corresponding path program 1 times [2022-11-21 14:04:28,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:28,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393293310] [2022-11-21 14:04:28,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:28,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,984 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-21 14:04:28,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:28,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393293310] [2022-11-21 14:04:28,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393293310] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:28,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:28,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 14:04:28,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38155861] [2022-11-21 14:04:28,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:28,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:28,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:28,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:28,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:28,987 INFO L87 Difference]: Start difference. First operand 40342 states and 47420 transitions. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:29,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:29,943 INFO L93 Difference]: Finished difference Result 72533 states and 85289 transitions. [2022-11-21 14:04:29,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:29,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 264 [2022-11-21 14:04:29,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:29,971 INFO L225 Difference]: With dead ends: 72533 [2022-11-21 14:04:29,971 INFO L226 Difference]: Without dead ends: 32803 [2022-11-21 14:04:29,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:29,986 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 279 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:29,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 369 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 14:04:30,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32803 states. [2022-11-21 14:04:30,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32803 to 32599. [2022-11-21 14:04:30,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32599 states, 32598 states have (on average 1.14623596539665) internal successors, (37365), 32598 states have internal predecessors, (37365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:30,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32599 states to 32599 states and 37365 transitions. [2022-11-21 14:04:30,421 INFO L78 Accepts]: Start accepts. Automaton has 32599 states and 37365 transitions. Word has length 264 [2022-11-21 14:04:30,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:30,421 INFO L495 AbstractCegarLoop]: Abstraction has 32599 states and 37365 transitions. [2022-11-21 14:04:30,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:30,422 INFO L276 IsEmpty]: Start isEmpty. Operand 32599 states and 37365 transitions. [2022-11-21 14:04:30,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-11-21 14:04:30,435 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:30,435 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:30,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-21 14:04:30,435 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:04:30,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:30,436 INFO L85 PathProgramCache]: Analyzing trace with hash 2083231653, now seen corresponding path program 1 times [2022-11-21 14:04:30,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:30,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068060966] [2022-11-21 14:04:30,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:30,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:30,629 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:04:30,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:30,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068060966] [2022-11-21 14:04:30,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068060966] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:30,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:30,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 14:04:30,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019959958] [2022-11-21 14:04:30,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:30,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:30,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:30,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:30,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:30,633 INFO L87 Difference]: Start difference. First operand 32599 states and 37365 transitions. Second operand has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:31,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:31,693 INFO L93 Difference]: Finished difference Result 63964 states and 73189 transitions. [2022-11-21 14:04:31,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:31,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 278 [2022-11-21 14:04:31,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:31,736 INFO L225 Difference]: With dead ends: 63964 [2022-11-21 14:04:31,736 INFO L226 Difference]: Without dead ends: 31977 [2022-11-21 14:04:31,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:31,756 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 255 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:31,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 368 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 14:04:31,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31977 states. [2022-11-21 14:04:32,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31977 to 27914. [2022-11-21 14:04:32,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27914 states, 27913 states have (on average 1.1229534625443343) internal successors, (31345), 27913 states have internal predecessors, (31345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:32,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27914 states to 27914 states and 31345 transitions. [2022-11-21 14:04:32,301 INFO L78 Accepts]: Start accepts. Automaton has 27914 states and 31345 transitions. Word has length 278 [2022-11-21 14:04:32,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:32,302 INFO L495 AbstractCegarLoop]: Abstraction has 27914 states and 31345 transitions. [2022-11-21 14:04:32,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:32,303 INFO L276 IsEmpty]: Start isEmpty. Operand 27914 states and 31345 transitions. [2022-11-21 14:04:32,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-11-21 14:04:32,331 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:32,332 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:32,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-21 14:04:32,332 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:04:32,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:32,334 INFO L85 PathProgramCache]: Analyzing trace with hash -801775645, now seen corresponding path program 1 times [2022-11-21 14:04:32,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:32,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964830979] [2022-11-21 14:04:32,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:32,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:32,921 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 146 proven. 6 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2022-11-21 14:04:32,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:32,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964830979] [2022-11-21 14:04:32,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964830979] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 14:04:32,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857939286] [2022-11-21 14:04:32,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:32,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 14:04:32,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 14:04:32,927 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 14:04:32,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-21 14:04:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:33,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 14:04:33,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 14:04:33,447 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-11-21 14:04:33,447 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 14:04:33,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857939286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:33,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 14:04:33,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-21 14:04:33,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259177769] [2022-11-21 14:04:33,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:33,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:33,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:33,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:33,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:04:33,449 INFO L87 Difference]: Start difference. First operand 27914 states and 31345 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:34,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:34,547 INFO L93 Difference]: Finished difference Result 65406 states and 73655 transitions. [2022-11-21 14:04:34,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:34,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 287 [2022-11-21 14:04:34,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:34,581 INFO L225 Difference]: With dead ends: 65406 [2022-11-21 14:04:34,581 INFO L226 Difference]: Without dead ends: 38714 [2022-11-21 14:04:34,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:04:34,588 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 110 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:34,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 175 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 14:04:34,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38714 states. [2022-11-21 14:04:34,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38714 to 37071. [2022-11-21 14:04:34,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37071 states, 37070 states have (on average 1.1126517399514433) internal successors, (41246), 37070 states have internal predecessors, (41246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:34,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37071 states to 37071 states and 41246 transitions. [2022-11-21 14:04:34,930 INFO L78 Accepts]: Start accepts. Automaton has 37071 states and 41246 transitions. Word has length 287 [2022-11-21 14:04:34,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:34,931 INFO L495 AbstractCegarLoop]: Abstraction has 37071 states and 41246 transitions. [2022-11-21 14:04:34,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:34,931 INFO L276 IsEmpty]: Start isEmpty. Operand 37071 states and 41246 transitions. [2022-11-21 14:04:34,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-11-21 14:04:34,952 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:34,952 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:34,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-21 14:04:35,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 14:04:35,153 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:04:35,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:35,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1366349276, now seen corresponding path program 1 times [2022-11-21 14:04:35,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:35,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116074738] [2022-11-21 14:04:35,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:35,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:35,475 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-21 14:04:35,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:35,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116074738] [2022-11-21 14:04:35,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116074738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:35,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:35,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 14:04:35,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232744809] [2022-11-21 14:04:35,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:35,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:35,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:35,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:35,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:35,481 INFO L87 Difference]: Start difference. First operand 37071 states and 41246 transitions. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:36,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:36,428 INFO L93 Difference]: Finished difference Result 69453 states and 77206 transitions. [2022-11-21 14:04:36,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:36,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 312 [2022-11-21 14:04:36,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:36,429 INFO L225 Difference]: With dead ends: 69453 [2022-11-21 14:04:36,429 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 14:04:36,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:36,445 INFO L413 NwaCegarLoop]: 346 mSDtfsCounter, 231 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:36,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 375 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-21 14:04:36,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 14:04:36,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 14:04:36,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:36,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 14:04:36,447 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 312 [2022-11-21 14:04:36,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:36,447 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 14:04:36,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:04:36,448 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 14:04:36,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 14:04:36,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 14:04:36,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-21 14:04:36,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 14:04:46,082 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2022-11-21 14:04:46,083 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-11-21 14:04:46,083 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,083 INFO L899 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2022-11-21 14:04:46,083 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,083 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,083 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,084 INFO L899 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,084 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,084 INFO L899 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,084 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,084 INFO L899 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,084 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,085 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,085 INFO L899 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2022-11-21 14:04:46,085 INFO L899 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2022-11-21 14:04:46,085 INFO L899 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2022-11-21 14:04:46,085 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,085 INFO L899 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2022-11-21 14:04:46,086 INFO L899 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2022-11-21 14:04:46,086 INFO L899 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,086 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,086 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,086 INFO L899 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,086 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,086 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,088 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,088 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,088 INFO L899 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,088 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-11-21 14:04:46,088 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-11-21 14:04:46,088 INFO L899 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2022-11-21 14:04:46,088 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,089 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,089 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,089 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,089 INFO L899 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,089 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,089 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-11-21 14:04:46,090 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-21 14:04:46,090 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,090 INFO L899 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2022-11-21 14:04:46,090 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,090 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2022-11-21 14:04:46,090 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2022-11-21 14:04:46,090 INFO L899 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,091 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,091 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,091 INFO L899 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,091 INFO L899 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,091 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,091 INFO L899 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,091 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-11-21 14:04:46,092 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,092 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-11-21 14:04:46,092 INFO L899 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2022-11-21 14:04:46,092 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,092 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,092 INFO L899 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,092 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,093 INFO L899 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2022-11-21 14:04:46,093 INFO L899 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2022-11-21 14:04:46,093 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,093 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,093 INFO L899 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,093 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,094 INFO L899 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,094 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,094 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,094 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,094 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,094 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,094 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-11-21 14:04:46,095 INFO L899 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2022-11-21 14:04:46,095 INFO L899 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2022-11-21 14:04:46,095 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,095 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,095 INFO L899 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,095 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,096 INFO L899 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,096 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,096 INFO L899 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2022-11-21 14:04:46,096 INFO L899 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-11-21 14:04:46,096 INFO L899 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2022-11-21 14:04:46,096 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,096 INFO L899 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,097 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,097 INFO L899 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,097 INFO L899 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,097 INFO L899 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,097 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-11-21 14:04:46,097 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-11-21 14:04:46,097 INFO L899 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2022-11-21 14:04:46,098 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,098 INFO L899 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,098 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,098 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-11-21 14:04:46,098 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,098 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2022-11-21 14:04:46,098 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 14:04:46,099 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,099 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,099 INFO L899 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2022-11-21 14:04:46,099 INFO L899 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2022-11-21 14:04:46,099 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,099 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,100 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,100 INFO L899 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,100 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,100 INFO L899 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,100 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,100 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2022-11-21 14:04:46,100 INFO L899 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2022-11-21 14:04:46,101 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-11-21 14:04:46,101 INFO L899 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2022-11-21 14:04:46,101 INFO L899 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2022-11-21 14:04:46,101 INFO L899 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,101 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,101 INFO L899 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,102 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,102 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,102 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,102 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,102 INFO L899 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,102 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,102 INFO L899 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,103 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-11-21 14:04:46,103 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-11-21 14:04:46,103 INFO L899 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2022-11-21 14:04:46,103 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,103 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,103 INFO L899 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,104 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,104 INFO L899 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,104 INFO L899 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,104 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,104 INFO L899 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,104 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,104 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 14:04:46,105 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1522) no Hoare annotation was computed. [2022-11-21 14:04:46,105 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-11-21 14:04:46,105 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-11-21 14:04:46,105 INFO L899 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2022-11-21 14:04:46,105 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2022-11-21 14:04:46,105 INFO L899 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2022-11-21 14:04:46,105 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,106 INFO L899 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,106 INFO L899 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,106 INFO L899 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,106 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,106 INFO L899 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,106 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,107 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,107 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-11-21 14:04:46,107 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-11-21 14:04:46,107 INFO L899 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2022-11-21 14:04:46,107 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,107 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,107 INFO L899 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,108 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2022-11-21 14:04:46,108 INFO L899 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2022-11-21 14:04:46,108 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,108 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,108 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,108 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2022-11-21 14:04:46,108 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,109 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2022-11-21 14:04:46,109 INFO L899 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,109 INFO L899 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2022-11-21 14:04:46,109 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,109 INFO L899 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,109 INFO L899 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2022-11-21 14:04:46,110 INFO L899 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2022-11-21 14:04:46,110 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2022-11-21 14:04:46,110 INFO L899 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2022-11-21 14:04:46,110 INFO L899 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2022-11-21 14:04:46,110 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-11-21 14:04:46,110 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-11-21 14:04:46,110 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,111 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,111 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,112 INFO L895 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse13 (= ~a26~0 0)) (.cse4 (= ~a6~0 0)) (.cse6 (<= ~a11~0 0)) (.cse7 (= ~a27~0 1)) (.cse8 (= ~a3~0 0))) (let ((.cse11 (or (and .cse13 .cse4 .cse6 .cse8) (and .cse4 .cse6 .cse7 .cse8))) (.cse0 (= ~a26~0 1)) (.cse10 (<= ~a3~0 1)) (.cse3 (= ~a11~0 1)) (.cse1 (= ~a12~0 1)) (.cse2 (<= 1 ~a3~0)) (.cse5 (<= ~a27~0 0)) (.cse12 (= ~a6~0 1)) (.cse9 (<= ~a12~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse7 .cse8) (and .cse1 .cse3 .cse4 .cse7 .cse8) (and .cse2 .cse3 .cse4 .cse9 .cse7) (and .cse1 .cse10 .cse2 .cse3 .cse4 .cse7) (and .cse1 .cse11) (and .cse10 .cse2 .cse3 .cse4 .cse9 .cse5) (and .cse1 .cse12 .cse6 .cse7 .cse8) (and .cse1 .cse2 .cse3 .cse12 .cse7) (and .cse3 .cse12 .cse9 .cse8 .cse5) (and .cse2 .cse3 .cse12 .cse9 .cse5) (and .cse2 .cse12 .cse6 .cse9 .cse7) (and .cse13 .cse1 .cse10 .cse2 .cse3 .cse12 .cse5) (and .cse10 .cse2 .cse4 .cse6 .cse9 .cse5) (and .cse12 .cse6 .cse9 .cse8 .cse5) (and .cse1 .cse2 .cse12 .cse6 .cse7) (and .cse13 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse3 .cse4 .cse9 .cse8 .cse5) (and .cse1 .cse10 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse4 .cse6 .cse7) (and .cse13 .cse1 .cse2 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse7) (and .cse1 .cse12 .cse6 .cse8 .cse5) (and .cse11 .cse9) (and .cse0 .cse1 .cse10 .cse2 .cse6 .cse7) (and .cse13 .cse2 .cse4 .cse6 .cse9 .cse7) (and .cse13 .cse2 .cse3 .cse4 .cse9 .cse5) (and .cse1 .cse3 .cse12 .cse7 .cse8) (and .cse0 .cse1 (= ~a26~0 ~a11~0) .cse7 .cse8) (and .cse0 .cse1 .cse3 .cse12 .cse8 .cse5) (and .cse2 .cse3 .cse12 .cse9 .cse7) (and .cse3 .cse12 .cse9 .cse7 .cse8) (and .cse0 .cse1 .cse4 .cse6 .cse8 .cse5) (and .cse0 .cse2 .cse4 .cse6 .cse9 .cse7) (and .cse13 .cse1 .cse2 .cse3 .cse4 .cse7) (and .cse1 .cse3 .cse4 .cse8 .cse5) (and .cse3 .cse4 .cse9 .cse7 .cse8) (and .cse2 .cse12 .cse6 .cse9 .cse5) (and .cse0 .cse1 .cse10 .cse2 .cse3 .cse7) (and .cse1 .cse2 .cse12 .cse6 .cse5) (and .cse1 .cse2 .cse4 .cse6 .cse5) (and .cse12 .cse6 .cse9 .cse7 .cse8)))) [2022-11-21 14:04:46,112 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,112 INFO L899 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,112 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,112 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2022-11-21 14:04:46,113 INFO L899 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2022-11-21 14:04:46,113 INFO L899 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,113 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,113 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,113 INFO L902 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2022-11-21 14:04:46,113 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,114 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,114 INFO L899 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,114 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,114 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,114 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,114 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-11-21 14:04:46,114 INFO L899 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2022-11-21 14:04:46,115 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,115 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,115 INFO L899 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,115 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,115 INFO L899 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,115 INFO L899 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,116 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,116 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,116 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,116 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-11-21 14:04:46,116 INFO L899 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2022-11-21 14:04:46,116 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,116 INFO L899 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,117 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2022-11-21 14:04:46,117 INFO L899 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2022-11-21 14:04:46,117 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,118 INFO L895 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse13 (= ~a26~0 0)) (.cse4 (= ~a6~0 0)) (.cse6 (<= ~a11~0 0)) (.cse7 (= ~a27~0 1)) (.cse8 (= ~a3~0 0))) (let ((.cse11 (or (and .cse13 .cse4 .cse6 .cse8) (and .cse4 .cse6 .cse7 .cse8))) (.cse0 (= ~a26~0 1)) (.cse10 (<= ~a3~0 1)) (.cse3 (= ~a11~0 1)) (.cse1 (= ~a12~0 1)) (.cse2 (<= 1 ~a3~0)) (.cse5 (<= ~a27~0 0)) (.cse12 (= ~a6~0 1)) (.cse9 (<= ~a12~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse7 .cse8) (and .cse1 .cse3 .cse4 .cse7 .cse8) (and .cse2 .cse3 .cse4 .cse9 .cse7) (and .cse1 .cse10 .cse2 .cse3 .cse4 .cse7) (and .cse1 .cse11) (and .cse10 .cse2 .cse3 .cse4 .cse9 .cse5) (and .cse1 .cse12 .cse6 .cse7 .cse8) (and .cse1 .cse2 .cse3 .cse12 .cse7) (and .cse3 .cse12 .cse9 .cse8 .cse5) (and .cse2 .cse3 .cse12 .cse9 .cse5) (and .cse2 .cse12 .cse6 .cse9 .cse7) (and .cse13 .cse1 .cse10 .cse2 .cse3 .cse12 .cse5) (and .cse10 .cse2 .cse4 .cse6 .cse9 .cse5) (and .cse12 .cse6 .cse9 .cse8 .cse5) (and .cse1 .cse2 .cse12 .cse6 .cse7) (and .cse13 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse3 .cse4 .cse9 .cse8 .cse5) (and .cse1 .cse10 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse4 .cse6 .cse7) (and .cse13 .cse1 .cse2 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse7) (and .cse1 .cse12 .cse6 .cse8 .cse5) (and .cse11 .cse9) (and .cse0 .cse1 .cse10 .cse2 .cse6 .cse7) (and .cse13 .cse2 .cse4 .cse6 .cse9 .cse7) (and .cse13 .cse2 .cse3 .cse4 .cse9 .cse5) (and .cse1 .cse3 .cse12 .cse7 .cse8) (and .cse0 .cse1 (= ~a26~0 ~a11~0) .cse7 .cse8) (and .cse0 .cse1 .cse3 .cse12 .cse8 .cse5) (and .cse2 .cse3 .cse12 .cse9 .cse7) (and .cse3 .cse12 .cse9 .cse7 .cse8) (and .cse0 .cse1 .cse4 .cse6 .cse8 .cse5) (and .cse0 .cse2 .cse4 .cse6 .cse9 .cse7) (and .cse13 .cse1 .cse2 .cse3 .cse4 .cse7) (and .cse1 .cse3 .cse4 .cse8 .cse5) (and .cse3 .cse4 .cse9 .cse7 .cse8) (and .cse2 .cse12 .cse6 .cse9 .cse5) (and .cse0 .cse1 .cse10 .cse2 .cse3 .cse7) (and .cse1 .cse2 .cse12 .cse6 .cse5) (and .cse1 .cse2 .cse4 .cse6 .cse5) (and .cse12 .cse6 .cse9 .cse7 .cse8)))) [2022-11-21 14:04:46,118 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,118 INFO L899 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,118 INFO L899 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,118 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,118 INFO L899 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2022-11-21 14:04:46,118 INFO L899 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2022-11-21 14:04:46,119 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,119 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,119 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,119 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,119 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,119 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,119 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,120 INFO L899 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,120 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 14:04:46,120 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2022-11-21 14:04:46,120 INFO L899 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2022-11-21 14:04:46,120 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-11-21 14:04:46,120 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,121 INFO L899 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2022-11-21 14:04:46,121 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,121 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,121 INFO L899 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2022-11-21 14:04:46,121 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,121 INFO L899 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,121 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,122 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,122 INFO L899 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,122 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2022-11-21 14:04:46,122 INFO L899 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,122 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-11-21 14:04:46,122 INFO L899 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2022-11-21 14:04:46,122 INFO L899 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2022-11-21 14:04:46,123 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,123 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,123 INFO L899 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,123 INFO L899 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,123 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,123 INFO L899 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,124 INFO L899 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,124 INFO L899 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,124 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2022-11-21 14:04:46,124 INFO L899 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2022-11-21 14:04:46,124 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,124 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,124 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-11-21 14:04:46,125 INFO L899 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2022-11-21 14:04:46,125 INFO L899 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2022-11-21 14:04:46,125 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,125 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,125 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,125 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,125 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,126 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 14:04:46,126 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,126 INFO L899 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,126 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,126 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,126 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,126 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,127 INFO L899 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2022-11-21 14:04:46,127 INFO L899 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2022-11-21 14:04:46,127 INFO L899 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2022-11-21 14:04:46,127 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,127 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,127 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,127 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,128 INFO L899 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,128 INFO L899 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,128 INFO L899 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,128 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2022-11-21 14:04:46,128 INFO L899 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2022-11-21 14:04:46,128 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,128 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-11-21 14:04:46,129 INFO L899 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2022-11-21 14:04:46,129 INFO L899 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2022-11-21 14:04:46,129 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,129 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,129 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,129 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,129 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2022-11-21 14:04:46,130 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2022-11-21 14:04:46,130 INFO L899 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2022-11-21 14:04:46,130 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,130 INFO L899 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,130 INFO L899 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2022-11-21 14:04:46,134 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:46,136 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 14:04:46,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 02:04:46 BoogieIcfgContainer [2022-11-21 14:04:46,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 14:04:46,199 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 14:04:46,199 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 14:04:46,200 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 14:04:46,200 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:03:51" (3/4) ... [2022-11-21 14:04:46,203 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 14:04:46,234 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-21 14:04:46,236 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 14:04:46,238 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 14:04:46,240 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 14:04:46,414 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 14:04:46,414 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 14:04:46,415 INFO L158 Benchmark]: Toolchain (without parser) took 58568.67ms. Allocated memory was 163.6MB in the beginning and 9.1GB in the end (delta: 9.0GB). Free memory was 125.2MB in the beginning and 7.9GB in the end (delta: -7.7GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-11-21 14:04:46,415 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 163.6MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 14:04:46,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1057.31ms. Allocated memory is still 163.6MB. Free memory was 124.5MB in the beginning and 61.6MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-21 14:04:46,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 201.09ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 61.6MB in the beginning and 164.5MB in the end (delta: -102.9MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2022-11-21 14:04:46,422 INFO L158 Benchmark]: Boogie Preprocessor took 169.76ms. Allocated memory is still 207.6MB. Free memory was 164.5MB in the beginning and 154.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 14:04:46,422 INFO L158 Benchmark]: RCFGBuilder took 2229.93ms. Allocated memory is still 207.6MB. Free memory was 154.0MB in the beginning and 121.9MB in the end (delta: 32.1MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. [2022-11-21 14:04:46,422 INFO L158 Benchmark]: TraceAbstraction took 54686.99ms. Allocated memory was 207.6MB in the beginning and 9.1GB in the end (delta: 8.9GB). Free memory was 121.9MB in the beginning and 7.9GB in the end (delta: -7.8GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2022-11-21 14:04:46,423 INFO L158 Benchmark]: Witness Printer took 214.84ms. Allocated memory is still 9.1GB. Free memory was 7.9GB in the beginning and 7.9GB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-21 14:04:46,429 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 163.6MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1057.31ms. Allocated memory is still 163.6MB. Free memory was 124.5MB in the beginning and 61.6MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 201.09ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 61.6MB in the beginning and 164.5MB in the end (delta: -102.9MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 169.76ms. Allocated memory is still 207.6MB. Free memory was 164.5MB in the beginning and 154.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2229.93ms. Allocated memory is still 207.6MB. Free memory was 154.0MB in the beginning and 121.9MB in the end (delta: 32.1MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. * TraceAbstraction took 54686.99ms. Allocated memory was 207.6MB in the beginning and 9.1GB in the end (delta: 8.9GB). Free memory was 121.9MB in the beginning and 7.9GB in the end (delta: -7.8GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. * Witness Printer took 214.84ms. Allocated memory is still 9.1GB. Free memory was 7.9GB in the beginning and 7.9GB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1522]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 54.5s, OverallIterations: 20, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 23.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4580 SdHoareTripleChecker+Valid, 18.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4580 mSDsluCounter, 4807 SdHoareTripleChecker+Invalid, 15.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 527 mSDsCounter, 2237 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12869 IncrementalHoareTripleChecker+Invalid, 15106 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2237 mSolverCounterUnsat, 4280 mSDtfsCounter, 12869 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1270 GetRequests, 1239 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50714occurred in iteration=12, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.6s AutomataMinimizationTime, 20 MinimizatonAttempts, 18501 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 329 NumberOfFragments, 1521 HoareAnnotationTreeSize, 3 FomulaSimplifications, 156 FormulaSimplificationTreeSizeReduction, 4.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 19346 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 5682 NumberOfCodeBlocks, 5682 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 5657 ConstructedInterpolants, 0 QuantifiedInterpolants, 9325 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2707 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 25 InterpolantComputations, 20 PerfectInterpolantSequences, 3038/3068 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((a26 == 1 && a12 == 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 <= 0) || ((((a26 == 1 && a12 == 1) && a11 <= 0) && a27 == 1) && a3 == 0)) || ((((a12 == 1 && a11 == 1) && a6 == 0) && a27 == 1) && a3 == 0)) || ((((1 <= a3 && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1)) || (((((a12 == 1 && a3 <= 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 == 1)) || (a12 == 1 && ((((a26 == 0 && a6 == 0) && a11 <= 0) && a3 == 0) || (((a6 == 0 && a11 <= 0) && a27 == 1) && a3 == 0)))) || (((((a3 <= 1 && 1 <= a3) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 <= 0)) || ((((a12 == 1 && a6 == 1) && a11 <= 0) && a27 == 1) && a3 == 0)) || ((((a12 == 1 && 1 <= a3) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((a11 == 1 && a6 == 1) && a12 <= 0) && a3 == 0) && a27 <= 0)) || ((((1 <= a3 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)) || ((((1 <= a3 && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || ((((((a26 == 0 && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 == 1) && a6 == 1) && a27 <= 0)) || (((((a3 <= 1 && 1 <= a3) && a6 == 0) && a11 <= 0) && a12 <= 0) && a27 <= 0)) || ((((a6 == 1 && a11 <= 0) && a12 <= 0) && a3 == 0) && a27 <= 0)) || ((((a12 == 1 && 1 <= a3) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a26 == 0 && a12 == 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 <= 0)) || ((((a11 == 1 && a6 == 0) && a12 <= 0) && a3 == 0) && a27 <= 0)) || (((((a12 == 1 && a3 <= 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 <= 0)) || (((((a26 == 1 && a12 == 1) && 1 <= a3) && a6 == 0) && a11 <= 0) && a27 == 1)) || (((((a26 == 0 && a12 == 1) && 1 <= a3) && a6 == 0) && a11 <= 0) && a27 == 1)) || (((((a26 == 1 && a12 == 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 == 1)) || ((((a12 == 1 && a6 == 1) && a11 <= 0) && a3 == 0) && a27 <= 0)) || (((((a26 == 0 && a6 == 0) && a11 <= 0) && a3 == 0) || (((a6 == 0 && a11 <= 0) && a27 == 1) && a3 == 0)) && a12 <= 0)) || (((((a26 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 <= 0) && a27 == 1)) || (((((a26 == 0 && 1 <= a3) && a6 == 0) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 0 && 1 <= a3) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 <= 0)) || ((((a12 == 1 && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0)) || ((((a26 == 1 && a12 == 1) && a26 == a11) && a27 == 1) && a3 == 0)) || (((((a26 == 1 && a12 == 1) && a11 == 1) && a6 == 1) && a3 == 0) && a27 <= 0)) || ((((1 <= a3 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((a11 == 1 && a6 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || (((((a26 == 1 && a12 == 1) && a6 == 0) && a11 <= 0) && a3 == 0) && a27 <= 0)) || (((((a26 == 1 && 1 <= a3) && a6 == 0) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 0 && a12 == 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 == 1)) || ((((a12 == 1 && a11 == 1) && a6 == 0) && a3 == 0) && a27 <= 0)) || ((((a11 == 1 && a6 == 0) && a12 <= 0) && a27 == 1) && a3 == 0)) || ((((1 <= a3 && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0)) || (((((a26 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 == 1) && a27 == 1)) || ((((a12 == 1 && 1 <= a3) && a6 == 1) && a11 <= 0) && a27 <= 0)) || ((((a12 == 1 && 1 <= a3) && a6 == 0) && a11 <= 0) && a27 <= 0)) || ((((a6 == 1 && a11 <= 0) && a12 <= 0) && a27 == 1) && a3 == 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((a26 == 1 && a12 == 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 <= 0) || ((((a26 == 1 && a12 == 1) && a11 <= 0) && a27 == 1) && a3 == 0)) || ((((a12 == 1 && a11 == 1) && a6 == 0) && a27 == 1) && a3 == 0)) || ((((1 <= a3 && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1)) || (((((a12 == 1 && a3 <= 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 == 1)) || (a12 == 1 && ((((a26 == 0 && a6 == 0) && a11 <= 0) && a3 == 0) || (((a6 == 0 && a11 <= 0) && a27 == 1) && a3 == 0)))) || (((((a3 <= 1 && 1 <= a3) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 <= 0)) || ((((a12 == 1 && a6 == 1) && a11 <= 0) && a27 == 1) && a3 == 0)) || ((((a12 == 1 && 1 <= a3) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((a11 == 1 && a6 == 1) && a12 <= 0) && a3 == 0) && a27 <= 0)) || ((((1 <= a3 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)) || ((((1 <= a3 && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || ((((((a26 == 0 && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 == 1) && a6 == 1) && a27 <= 0)) || (((((a3 <= 1 && 1 <= a3) && a6 == 0) && a11 <= 0) && a12 <= 0) && a27 <= 0)) || ((((a6 == 1 && a11 <= 0) && a12 <= 0) && a3 == 0) && a27 <= 0)) || ((((a12 == 1 && 1 <= a3) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a26 == 0 && a12 == 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 <= 0)) || ((((a11 == 1 && a6 == 0) && a12 <= 0) && a3 == 0) && a27 <= 0)) || (((((a12 == 1 && a3 <= 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 <= 0)) || (((((a26 == 1 && a12 == 1) && 1 <= a3) && a6 == 0) && a11 <= 0) && a27 == 1)) || (((((a26 == 0 && a12 == 1) && 1 <= a3) && a6 == 0) && a11 <= 0) && a27 == 1)) || (((((a26 == 1 && a12 == 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 == 1)) || ((((a12 == 1 && a6 == 1) && a11 <= 0) && a3 == 0) && a27 <= 0)) || (((((a26 == 0 && a6 == 0) && a11 <= 0) && a3 == 0) || (((a6 == 0 && a11 <= 0) && a27 == 1) && a3 == 0)) && a12 <= 0)) || (((((a26 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 <= 0) && a27 == 1)) || (((((a26 == 0 && 1 <= a3) && a6 == 0) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 0 && 1 <= a3) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 <= 0)) || ((((a12 == 1 && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0)) || ((((a26 == 1 && a12 == 1) && a26 == a11) && a27 == 1) && a3 == 0)) || (((((a26 == 1 && a12 == 1) && a11 == 1) && a6 == 1) && a3 == 0) && a27 <= 0)) || ((((1 <= a3 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((a11 == 1 && a6 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || (((((a26 == 1 && a12 == 1) && a6 == 0) && a11 <= 0) && a3 == 0) && a27 <= 0)) || (((((a26 == 1 && 1 <= a3) && a6 == 0) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 0 && a12 == 1) && 1 <= a3) && a11 == 1) && a6 == 0) && a27 == 1)) || ((((a12 == 1 && a11 == 1) && a6 == 0) && a3 == 0) && a27 <= 0)) || ((((a11 == 1 && a6 == 0) && a12 <= 0) && a27 == 1) && a3 == 0)) || ((((1 <= a3 && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0)) || (((((a26 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 == 1) && a27 == 1)) || ((((a12 == 1 && 1 <= a3) && a6 == 1) && a11 <= 0) && a27 <= 0)) || ((((a12 == 1 && 1 <= a3) && a6 == 0) && a11 <= 0) && a27 <= 0)) || ((((a6 == 1 && a11 <= 0) && a12 <= 0) && a27 == 1) && a3 == 0) RESULT: Ultimate proved your program to be correct! [2022-11-21 14:04:46,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e08963c-23b7-4ecf-a916-e5f0089fcf79/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE