./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label49.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label49.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8 --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 e2ce90b08f9dc9315f13f0d8408b309f0856f833532caca0391f68d5a9cb9786 --- 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-2329fc7 [2022-12-13 11:42:02,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:42:02,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:42:02,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:42:02,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:42:02,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:42:02,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:42:02,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:42:02,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:42:02,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:42:02,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:42:02,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:42:02,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:42:02,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:42:02,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:42:02,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:42:02,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:42:02,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:42:02,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:42:02,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:42:02,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:42:02,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:42:02,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:42:02,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:42:02,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:42:02,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:42:02,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:42:02,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:42:02,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:42:02,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:42:02,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:42:02,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:42:02,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:42:02,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:42:02,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:42:02,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:42:02,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:42:02,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:42:02,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:42:02,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:42:02,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:42:02,597 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 11:42:02,618 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:42:02,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:42:02,619 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:42:02,619 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:42:02,619 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:42:02,620 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:42:02,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:42:02,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:42:02,621 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:42:02,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:42:02,621 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:42:02,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:42:02,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:42:02,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:42:02,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:42:02,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:42:02,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:42:02,622 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:42:02,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:42:02,623 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:42:02,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:42:02,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:42:02,623 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:42:02,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:42:02,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:42:02,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:42:02,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:42:02,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:42:02,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:42:02,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:42:02,625 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:42:02,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:42:02,625 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:42:02,625 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:42:02,625 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:42:02,626 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2ce90b08f9dc9315f13f0d8408b309f0856f833532caca0391f68d5a9cb9786 [2022-12-13 11:42:02,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:42:02,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:42:02,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:42:02,839 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:42:02,839 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:42:02,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/eca-rers2012/Problem03_label49.c [2022-12-13 11:42:05,355 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:42:05,631 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:42:05,632 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/sv-benchmarks/c/eca-rers2012/Problem03_label49.c [2022-12-13 11:42:05,645 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/data/7b3b85207/24141e9650ed4e06bc81a74d7c5486e1/FLAGc56b4a7fa [2022-12-13 11:42:05,912 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/data/7b3b85207/24141e9650ed4e06bc81a74d7c5486e1 [2022-12-13 11:42:05,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:42:05,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:42:05,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:42:05,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:42:05,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:42:05,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:42:05" (1/1) ... [2022-12-13 11:42:05,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb60081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:05, skipping insertion in model container [2022-12-13 11:42:05,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:42:05" (1/1) ... [2022-12-13 11:42:05,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:42:05,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:42:06,340 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_9a99cf97-c4cd-421d-b57b-4e337bdb428d/sv-benchmarks/c/eca-rers2012/Problem03_label49.c[56899,56912] [2022-12-13 11:42:06,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:42:06,372 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:42:06,535 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_9a99cf97-c4cd-421d-b57b-4e337bdb428d/sv-benchmarks/c/eca-rers2012/Problem03_label49.c[56899,56912] [2022-12-13 11:42:06,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:42:06,557 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:42:06,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:06 WrapperNode [2022-12-13 11:42:06,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:42:06,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:42:06,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:42:06,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:42:06,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:06" (1/1) ... [2022-12-13 11:42:06,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:06" (1/1) ... [2022-12-13 11:42:06,640 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-12-13 11:42:06,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:42:06,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:42:06,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:42:06,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:42:06,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:06" (1/1) ... [2022-12-13 11:42:06,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:06" (1/1) ... [2022-12-13 11:42:06,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:06" (1/1) ... [2022-12-13 11:42:06,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:06" (1/1) ... [2022-12-13 11:42:06,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:06" (1/1) ... [2022-12-13 11:42:06,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:06" (1/1) ... [2022-12-13 11:42:06,711 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:06" (1/1) ... [2022-12-13 11:42:06,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:06" (1/1) ... [2022-12-13 11:42:06,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:42:06,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:42:06,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:42:06,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:42:06,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:06" (1/1) ... [2022-12-13 11:42:06,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:42:06,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:06,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:06,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:42:06,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:42:06,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:42:06,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:42:06,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:42:06,849 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:42:06,851 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:42:08,178 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:42:08,188 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:42:08,188 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 11:42:08,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:42:08 BoogieIcfgContainer [2022-12-13 11:42:08,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:42:08,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:42:08,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:42:08,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:42:08,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:42:05" (1/3) ... [2022-12-13 11:42:08,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7769f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:42:08, skipping insertion in model container [2022-12-13 11:42:08,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:06" (2/3) ... [2022-12-13 11:42:08,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7769f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:42:08, skipping insertion in model container [2022-12-13 11:42:08,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:42:08" (3/3) ... [2022-12-13 11:42:08,199 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label49.c [2022-12-13 11:42:08,217 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:42:08,218 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 11:42:08,270 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:42:08,276 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;@595a8404, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:42:08,276 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 11:42:08,282 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) [2022-12-13 11:42:08,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-12-13 11:42:08,294 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:08,295 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:42:08,295 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:08,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:08,300 INFO L85 PathProgramCache]: Analyzing trace with hash -781815326, now seen corresponding path program 1 times [2022-12-13 11:42:08,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:08,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454720433] [2022-12-13 11:42:08,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:08,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:09,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:09,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:09,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454720433] [2022-12-13 11:42:09,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454720433] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:09,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:09,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:42:09,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154833004] [2022-12-13 11:42:09,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:09,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:42:09,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:09,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:09,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:09,067 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 56.0) internal successors, (168), 2 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:09,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:09,962 INFO L93 Difference]: Finished difference Result 833 states and 1474 transitions. [2022-12-13 11:42:09,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:09,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 2 states have internal predecessors, (168), 0 states have call successors, (0), 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 168 [2022-12-13 11:42:09,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:09,977 INFO L225 Difference]: With dead ends: 833 [2022-12-13 11:42:09,977 INFO L226 Difference]: Without dead ends: 454 [2022-12-13 11:42:09,981 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 [2022-12-13 11:42:09,984 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 123 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:09,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 163 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 11:42:10,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2022-12-13 11:42:10,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 450. [2022-12-13 11:42:10,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 449 states have (on average 1.55902004454343) internal successors, (700), 449 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:10,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 700 transitions. [2022-12-13 11:42:10,038 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 700 transitions. Word has length 168 [2022-12-13 11:42:10,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:10,038 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 700 transitions. [2022-12-13 11:42:10,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 2 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:10,039 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 700 transitions. [2022-12-13 11:42:10,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-12-13 11:42:10,043 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:10,043 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:42:10,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:42:10,044 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:10,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:10,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1503465326, now seen corresponding path program 1 times [2022-12-13 11:42:10,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:10,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384003743] [2022-12-13 11:42:10,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:10,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:10,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:10,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:10,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384003743] [2022-12-13 11:42:10,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384003743] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:10,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:10,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:42:10,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384521550] [2022-12-13 11:42:10,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:10,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:42:10,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:10,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:10,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:10,253 INFO L87 Difference]: Start difference. First operand 450 states and 700 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 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) [2022-12-13 11:42:10,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:10,868 INFO L93 Difference]: Finished difference Result 1337 states and 2085 transitions. [2022-12-13 11:42:10,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:10,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 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 174 [2022-12-13 11:42:10,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:10,871 INFO L225 Difference]: With dead ends: 1337 [2022-12-13 11:42:10,871 INFO L226 Difference]: Without dead ends: 889 [2022-12-13 11:42:10,872 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 [2022-12-13 11:42:10,873 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 285 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:10,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 104 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:42:10,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2022-12-13 11:42:10,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 885. [2022-12-13 11:42:10,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 884 states have (on average 1.5429864253393666) internal successors, (1364), 884 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:10,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1364 transitions. [2022-12-13 11:42:10,904 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1364 transitions. Word has length 174 [2022-12-13 11:42:10,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:10,904 INFO L495 AbstractCegarLoop]: Abstraction has 885 states and 1364 transitions. [2022-12-13 11:42:10,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 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) [2022-12-13 11:42:10,904 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1364 transitions. [2022-12-13 11:42:10,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-12-13 11:42:10,909 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:10,909 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:42:10,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:42:10,909 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:10,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:10,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1879608615, now seen corresponding path program 1 times [2022-12-13 11:42:10,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:10,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065803176] [2022-12-13 11:42:10,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:10,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:11,075 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:11,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:11,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065803176] [2022-12-13 11:42:11,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065803176] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:11,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:11,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:11,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346738213] [2022-12-13 11:42:11,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:11,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:42:11,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:11,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:11,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:11,078 INFO L87 Difference]: Start difference. First operand 885 states and 1364 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:11,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:11,730 INFO L93 Difference]: Finished difference Result 2599 states and 4012 transitions. [2022-12-13 11:42:11,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:11,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2022-12-13 11:42:11,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:11,737 INFO L225 Difference]: With dead ends: 2599 [2022-12-13 11:42:11,737 INFO L226 Difference]: Without dead ends: 1716 [2022-12-13 11:42:11,739 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 [2022-12-13 11:42:11,739 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 258 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:11,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 134 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:42:11,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2022-12-13 11:42:11,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1714. [2022-12-13 11:42:11,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1714 states, 1713 states have (on average 1.4687682428488034) internal successors, (2516), 1713 states have internal predecessors, (2516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:11,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1714 states and 2516 transitions. [2022-12-13 11:42:11,766 INFO L78 Accepts]: Start accepts. Automaton has 1714 states and 2516 transitions. Word has length 181 [2022-12-13 11:42:11,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:11,766 INFO L495 AbstractCegarLoop]: Abstraction has 1714 states and 2516 transitions. [2022-12-13 11:42:11,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:11,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2516 transitions. [2022-12-13 11:42:11,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-12-13 11:42:11,769 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:11,769 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:42:11,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 11:42:11,770 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:11,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:11,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1994125794, now seen corresponding path program 1 times [2022-12-13 11:42:11,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:11,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679898015] [2022-12-13 11:42:11,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:11,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:11,956 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:11,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:11,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679898015] [2022-12-13 11:42:11,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679898015] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:11,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:11,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:42:11,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104552804] [2022-12-13 11:42:11,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:11,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:42:11,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:11,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:11,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:11,959 INFO L87 Difference]: Start difference. First operand 1714 states and 2516 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:12,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:12,594 INFO L93 Difference]: Finished difference Result 4665 states and 6865 transitions. [2022-12-13 11:42:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:12,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2022-12-13 11:42:12,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:12,603 INFO L225 Difference]: With dead ends: 4665 [2022-12-13 11:42:12,604 INFO L226 Difference]: Without dead ends: 2953 [2022-12-13 11:42:12,606 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 [2022-12-13 11:42:12,607 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 241 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:12,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 167 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:42:12,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2953 states. [2022-12-13 11:42:12,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2953 to 2949. [2022-12-13 11:42:12,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2949 states, 2948 states have (on average 1.4189280868385346) internal successors, (4183), 2948 states have internal predecessors, (4183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:12,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2949 states and 4183 transitions. [2022-12-13 11:42:12,666 INFO L78 Accepts]: Start accepts. Automaton has 2949 states and 4183 transitions. Word has length 181 [2022-12-13 11:42:12,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:12,666 INFO L495 AbstractCegarLoop]: Abstraction has 2949 states and 4183 transitions. [2022-12-13 11:42:12,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:12,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2949 states and 4183 transitions. [2022-12-13 11:42:12,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-12-13 11:42:12,670 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:12,670 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:42:12,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 11:42:12,670 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:12,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:12,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1494804173, now seen corresponding path program 1 times [2022-12-13 11:42:12,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:12,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207893000] [2022-12-13 11:42:12,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:12,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:12,763 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 11:42:12,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:12,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207893000] [2022-12-13 11:42:12,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207893000] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:12,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:12,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:42:12,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108618497] [2022-12-13 11:42:12,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:12,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:42:12,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:12,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:12,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:12,765 INFO L87 Difference]: Start difference. First operand 2949 states and 4183 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) [2022-12-13 11:42:13,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:13,411 INFO L93 Difference]: Finished difference Result 8575 states and 12210 transitions. [2022-12-13 11:42:13,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:13,411 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 182 [2022-12-13 11:42:13,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:13,422 INFO L225 Difference]: With dead ends: 8575 [2022-12-13 11:42:13,422 INFO L226 Difference]: Without dead ends: 5831 [2022-12-13 11:42:13,425 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 [2022-12-13 11:42:13,425 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 247 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:13,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 92 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:42:13,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5831 states. [2022-12-13 11:42:13,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5831 to 5795. [2022-12-13 11:42:13,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5795 states, 5794 states have (on average 1.387124611667242) internal successors, (8037), 5794 states have internal predecessors, (8037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:13,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5795 states to 5795 states and 8037 transitions. [2022-12-13 11:42:13,532 INFO L78 Accepts]: Start accepts. Automaton has 5795 states and 8037 transitions. Word has length 182 [2022-12-13 11:42:13,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:13,532 INFO L495 AbstractCegarLoop]: Abstraction has 5795 states and 8037 transitions. [2022-12-13 11:42:13,533 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) [2022-12-13 11:42:13,533 INFO L276 IsEmpty]: Start isEmpty. Operand 5795 states and 8037 transitions. [2022-12-13 11:42:13,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-12-13 11:42:13,539 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:13,539 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:42:13,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 11:42:13,540 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:13,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:13,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1371584375, now seen corresponding path program 1 times [2022-12-13 11:42:13,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:13,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438193532] [2022-12-13 11:42:13,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:13,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:13,752 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 11:42:13,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:13,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438193532] [2022-12-13 11:42:13,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438193532] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:13,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:13,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:13,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406175429] [2022-12-13 11:42:13,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:13,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:42:13,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:13,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:13,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:13,754 INFO L87 Difference]: Start difference. First operand 5795 states and 8037 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 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) [2022-12-13 11:42:14,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:14,451 INFO L93 Difference]: Finished difference Result 17290 states and 23986 transitions. [2022-12-13 11:42:14,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:14,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 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 196 [2022-12-13 11:42:14,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:14,470 INFO L225 Difference]: With dead ends: 17290 [2022-12-13 11:42:14,470 INFO L226 Difference]: Without dead ends: 11497 [2022-12-13 11:42:14,475 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 [2022-12-13 11:42:14,476 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 217 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:14,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 414 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:42:14,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11497 states. [2022-12-13 11:42:14,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11497 to 11490. [2022-12-13 11:42:14,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11490 states, 11489 states have (on average 1.298807555052659) internal successors, (14922), 11489 states have internal predecessors, (14922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:14,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11490 states to 11490 states and 14922 transitions. [2022-12-13 11:42:14,615 INFO L78 Accepts]: Start accepts. Automaton has 11490 states and 14922 transitions. Word has length 196 [2022-12-13 11:42:14,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:14,615 INFO L495 AbstractCegarLoop]: Abstraction has 11490 states and 14922 transitions. [2022-12-13 11:42:14,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 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) [2022-12-13 11:42:14,615 INFO L276 IsEmpty]: Start isEmpty. Operand 11490 states and 14922 transitions. [2022-12-13 11:42:14,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-12-13 11:42:14,625 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:14,625 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:42:14,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 11:42:14,625 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:14,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:14,625 INFO L85 PathProgramCache]: Analyzing trace with hash 2049805671, now seen corresponding path program 1 times [2022-12-13 11:42:14,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:14,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057035853] [2022-12-13 11:42:14,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:14,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:14,869 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 11:42:14,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:14,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057035853] [2022-12-13 11:42:14,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057035853] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:14,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:14,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:42:14,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583419954] [2022-12-13 11:42:14,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:14,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:42:14,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:14,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:14,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:14,872 INFO L87 Difference]: Start difference. First operand 11490 states and 14922 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:15,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:15,500 INFO L93 Difference]: Finished difference Result 30543 states and 39618 transitions. [2022-12-13 11:42:15,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:15,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 0 states have call successors, (0), 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 203 [2022-12-13 11:42:15,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:15,527 INFO L225 Difference]: With dead ends: 30543 [2022-12-13 11:42:15,527 INFO L226 Difference]: Without dead ends: 19867 [2022-12-13 11:42:15,534 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 [2022-12-13 11:42:15,535 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 219 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:15,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 162 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 11:42:15,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19867 states. [2022-12-13 11:42:15,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19867 to 19849. [2022-12-13 11:42:15,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19849 states, 19848 states have (on average 1.2677347843611446) internal successors, (25162), 19848 states have internal predecessors, (25162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:15,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19849 states to 19849 states and 25162 transitions. [2022-12-13 11:42:15,773 INFO L78 Accepts]: Start accepts. Automaton has 19849 states and 25162 transitions. Word has length 203 [2022-12-13 11:42:15,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:15,773 INFO L495 AbstractCegarLoop]: Abstraction has 19849 states and 25162 transitions. [2022-12-13 11:42:15,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:15,774 INFO L276 IsEmpty]: Start isEmpty. Operand 19849 states and 25162 transitions. [2022-12-13 11:42:15,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-12-13 11:42:15,806 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:15,806 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:42:15,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 11:42:15,807 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:15,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:15,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1264247841, now seen corresponding path program 1 times [2022-12-13 11:42:15,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:15,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755983465] [2022-12-13 11:42:15,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:15,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:16,023 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-12-13 11:42:16,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:16,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755983465] [2022-12-13 11:42:16,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755983465] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:16,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:16,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:16,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797426364] [2022-12-13 11:42:16,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:16,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:42:16,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:16,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:16,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:16,025 INFO L87 Difference]: Start difference. First operand 19849 states and 25162 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:16,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:16,794 INFO L93 Difference]: Finished difference Result 45211 states and 57514 transitions. [2022-12-13 11:42:16,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:16,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 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 222 [2022-12-13 11:42:16,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:16,823 INFO L225 Difference]: With dead ends: 45211 [2022-12-13 11:42:16,823 INFO L226 Difference]: Without dead ends: 25364 [2022-12-13 11:42:16,833 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 [2022-12-13 11:42:16,834 INFO L413 NwaCegarLoop]: 387 mSDtfsCounter, 210 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:16,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 408 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:42:16,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25364 states. [2022-12-13 11:42:17,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25364 to 24516. [2022-12-13 11:42:17,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24516 states, 24515 states have (on average 1.2369161737711605) internal successors, (30323), 24515 states have internal predecessors, (30323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:17,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24516 states to 24516 states and 30323 transitions. [2022-12-13 11:42:17,113 INFO L78 Accepts]: Start accepts. Automaton has 24516 states and 30323 transitions. Word has length 222 [2022-12-13 11:42:17,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:17,113 INFO L495 AbstractCegarLoop]: Abstraction has 24516 states and 30323 transitions. [2022-12-13 11:42:17,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:17,113 INFO L276 IsEmpty]: Start isEmpty. Operand 24516 states and 30323 transitions. [2022-12-13 11:42:17,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-12-13 11:42:17,144 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:17,144 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:42:17,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 11:42:17,144 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:17,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:17,145 INFO L85 PathProgramCache]: Analyzing trace with hash 669606582, now seen corresponding path program 1 times [2022-12-13 11:42:17,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:17,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720474512] [2022-12-13 11:42:17,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:17,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:17,455 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-13 11:42:17,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:17,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720474512] [2022-12-13 11:42:17,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720474512] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:17,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:17,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:42:17,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452961144] [2022-12-13 11:42:17,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:17,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:42:17,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:17,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:17,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:17,458 INFO L87 Difference]: Start difference. First operand 24516 states and 30323 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:18,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:18,149 INFO L93 Difference]: Finished difference Result 53726 states and 66220 transitions. [2022-12-13 11:42:18,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:18,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 0 states have call successors, (0), 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 228 [2022-12-13 11:42:18,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:18,182 INFO L225 Difference]: With dead ends: 53726 [2022-12-13 11:42:18,182 INFO L226 Difference]: Without dead ends: 30227 [2022-12-13 11:42:18,193 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 [2022-12-13 11:42:18,194 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 204 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:18,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 184 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:42:18,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30227 states. [2022-12-13 11:42:18,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30227 to 30200. [2022-12-13 11:42:18,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30200 states, 30199 states have (on average 1.2160336434981291) internal successors, (36723), 30199 states have internal predecessors, (36723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:18,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30200 states to 30200 states and 36723 transitions. [2022-12-13 11:42:18,551 INFO L78 Accepts]: Start accepts. Automaton has 30200 states and 36723 transitions. Word has length 228 [2022-12-13 11:42:18,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:18,551 INFO L495 AbstractCegarLoop]: Abstraction has 30200 states and 36723 transitions. [2022-12-13 11:42:18,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:18,551 INFO L276 IsEmpty]: Start isEmpty. Operand 30200 states and 36723 transitions. [2022-12-13 11:42:18,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-12-13 11:42:18,575 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:18,575 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 11:42:18,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 11:42:18,575 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:18,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:18,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1174722591, now seen corresponding path program 2 times [2022-12-13 11:42:18,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:18,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137643260] [2022-12-13 11:42:18,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:18,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:18,891 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 74 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-13 11:42:18,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:18,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137643260] [2022-12-13 11:42:18,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137643260] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:42:18,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194720160] [2022-12-13 11:42:18,892 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 11:42:18,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:42:18,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:18,893 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:42:18,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 11:42:19,054 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 11:42:19,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 11:42:19,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:42:19,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:42:19,243 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-12-13 11:42:19,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:42:19,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194720160] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:19,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:42:19,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 11:42:19,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358971779] [2022-12-13 11:42:19,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:19,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:42:19,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:19,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:19,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:42:19,245 INFO L87 Difference]: Start difference. First operand 30200 states and 36723 transitions. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 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) [2022-12-13 11:42:19,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:19,911 INFO L93 Difference]: Finished difference Result 71360 states and 87514 transitions. [2022-12-13 11:42:19,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:19,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 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 235 [2022-12-13 11:42:19,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:19,983 INFO L225 Difference]: With dead ends: 71360 [2022-12-13 11:42:19,983 INFO L226 Difference]: Without dead ends: 41974 [2022-12-13 11:42:19,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:42:19,996 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 67 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:19,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 418 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 11:42:20,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41974 states. [2022-12-13 11:42:20,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41974 to 37299. [2022-12-13 11:42:20,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37299 states, 37298 states have (on average 1.1750496005147728) internal successors, (43827), 37298 states have internal predecessors, (43827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:20,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37299 states to 37299 states and 43827 transitions. [2022-12-13 11:42:20,466 INFO L78 Accepts]: Start accepts. Automaton has 37299 states and 43827 transitions. Word has length 235 [2022-12-13 11:42:20,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:20,466 INFO L495 AbstractCegarLoop]: Abstraction has 37299 states and 43827 transitions. [2022-12-13 11:42:20,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 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) [2022-12-13 11:42:20,467 INFO L276 IsEmpty]: Start isEmpty. Operand 37299 states and 43827 transitions. [2022-12-13 11:42:20,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-12-13 11:42:20,492 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:20,492 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, 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, 1, 1] [2022-12-13 11:42:20,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 11:42:20,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:42:20,695 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:20,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:20,696 INFO L85 PathProgramCache]: Analyzing trace with hash 342018478, now seen corresponding path program 1 times [2022-12-13 11:42:20,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:20,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653942029] [2022-12-13 11:42:20,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:20,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:21,162 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:21,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:21,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653942029] [2022-12-13 11:42:21,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653942029] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:21,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:21,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:42:21,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245464294] [2022-12-13 11:42:21,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:21,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:42:21,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:21,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:21,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:21,164 INFO L87 Difference]: Start difference. First operand 37299 states and 43827 transitions. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 2 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:21,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:21,779 INFO L93 Difference]: Finished difference Result 73989 states and 86943 transitions. [2022-12-13 11:42:21,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:21,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 2 states have internal predecessors, (242), 0 states have call successors, (0), 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 242 [2022-12-13 11:42:21,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:21,816 INFO L225 Difference]: With dead ends: 73989 [2022-12-13 11:42:21,816 INFO L226 Difference]: Without dead ends: 37910 [2022-12-13 11:42:21,836 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 [2022-12-13 11:42:21,837 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 133 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:21,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 197 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 11:42:21,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37910 states. [2022-12-13 11:42:22,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37910 to 37908. [2022-12-13 11:42:22,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37908 states, 37907 states have (on average 1.173872899464479) internal successors, (44498), 37907 states have internal predecessors, (44498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:22,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37908 states to 37908 states and 44498 transitions. [2022-12-13 11:42:22,228 INFO L78 Accepts]: Start accepts. Automaton has 37908 states and 44498 transitions. Word has length 242 [2022-12-13 11:42:22,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:22,229 INFO L495 AbstractCegarLoop]: Abstraction has 37908 states and 44498 transitions. [2022-12-13 11:42:22,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 2 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:22,229 INFO L276 IsEmpty]: Start isEmpty. Operand 37908 states and 44498 transitions. [2022-12-13 11:42:22,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-12-13 11:42:22,247 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:22,247 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, 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] [2022-12-13 11:42:22,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 11:42:22,247 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:22,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:22,247 INFO L85 PathProgramCache]: Analyzing trace with hash -676956834, now seen corresponding path program 1 times [2022-12-13 11:42:22,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:22,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616995752] [2022-12-13 11:42:22,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:22,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:22,472 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-13 11:42:22,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:22,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616995752] [2022-12-13 11:42:22,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616995752] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:22,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:22,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:22,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507214178] [2022-12-13 11:42:22,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:22,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:42:22,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:22,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:42:22,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:42:22,474 INFO L87 Difference]: Start difference. First operand 37908 states and 44498 transitions. Second operand has 4 states, 4 states have (on average 54.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:23,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:23,535 INFO L93 Difference]: Finished difference Result 71806 states and 84458 transitions. [2022-12-13 11:42:23,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:42:23,536 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 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 258 [2022-12-13 11:42:23,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:23,569 INFO L225 Difference]: With dead ends: 71806 [2022-12-13 11:42:23,569 INFO L226 Difference]: Without dead ends: 37960 [2022-12-13 11:42:23,583 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 [2022-12-13 11:42:23,584 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 435 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:23,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 173 Invalid, 1405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [326 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 11:42:23,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37960 states. [2022-12-13 11:42:23,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37960 to 37096. [2022-12-13 11:42:24,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37096 states, 37095 states have (on average 1.175414476344521) internal successors, (43602), 37095 states have internal predecessors, (43602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:24,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37096 states to 37096 states and 43602 transitions. [2022-12-13 11:42:24,075 INFO L78 Accepts]: Start accepts. Automaton has 37096 states and 43602 transitions. Word has length 258 [2022-12-13 11:42:24,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:24,076 INFO L495 AbstractCegarLoop]: Abstraction has 37096 states and 43602 transitions. [2022-12-13 11:42:24,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:24,076 INFO L276 IsEmpty]: Start isEmpty. Operand 37096 states and 43602 transitions. [2022-12-13 11:42:24,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-12-13 11:42:24,101 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:24,101 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:42:24,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 11:42:24,102 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:24,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:24,102 INFO L85 PathProgramCache]: Analyzing trace with hash -657621692, now seen corresponding path program 1 times [2022-12-13 11:42:24,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:24,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998471144] [2022-12-13 11:42:24,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:24,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:24,370 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-12-13 11:42:24,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:24,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998471144] [2022-12-13 11:42:24,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998471144] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:24,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:24,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:24,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086944638] [2022-12-13 11:42:24,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:24,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:42:24,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:24,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:42:24,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:42:24,372 INFO L87 Difference]: Start difference. First operand 37096 states and 43602 transitions. Second operand has 4 states, 4 states have (on average 55.25) 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) [2022-12-13 11:42:25,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:25,062 INFO L93 Difference]: Finished difference Result 60091 states and 70570 transitions. [2022-12-13 11:42:25,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:42:25,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.25) 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 263 [2022-12-13 11:42:25,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:25,084 INFO L225 Difference]: With dead ends: 60091 [2022-12-13 11:42:25,084 INFO L226 Difference]: Without dead ends: 27057 [2022-12-13 11:42:25,097 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 [2022-12-13 11:42:25,097 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 548 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:25,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 55 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:42:25,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27057 states. [2022-12-13 11:42:25,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27057 to 26042. [2022-12-13 11:42:25,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26042 states, 26041 states have (on average 1.1263008333013325) internal successors, (29330), 26041 states have internal predecessors, (29330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:25,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26042 states to 26042 states and 29330 transitions. [2022-12-13 11:42:25,354 INFO L78 Accepts]: Start accepts. Automaton has 26042 states and 29330 transitions. Word has length 263 [2022-12-13 11:42:25,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:25,354 INFO L495 AbstractCegarLoop]: Abstraction has 26042 states and 29330 transitions. [2022-12-13 11:42:25,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.25) 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) [2022-12-13 11:42:25,354 INFO L276 IsEmpty]: Start isEmpty. Operand 26042 states and 29330 transitions. [2022-12-13 11:42:25,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-12-13 11:42:25,366 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:25,366 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:42:25,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 11:42:25,367 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:25,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:25,367 INFO L85 PathProgramCache]: Analyzing trace with hash 255388899, now seen corresponding path program 1 times [2022-12-13 11:42:25,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:25,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879266189] [2022-12-13 11:42:25,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:25,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:25,563 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 112 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-13 11:42:25,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:25,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879266189] [2022-12-13 11:42:25,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879266189] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:42:25,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199737278] [2022-12-13 11:42:25,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:25,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:42:25,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:25,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:42:25,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 11:42:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:25,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:42:25,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:42:25,862 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-13 11:42:25,862 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:42:25,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199737278] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:25,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:42:25,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-12-13 11:42:25,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272143107] [2022-12-13 11:42:25,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:25,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:42:25,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:25,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:25,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:42:25,865 INFO L87 Difference]: Start difference. First operand 26042 states and 29330 transitions. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 2 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:26,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:26,624 INFO L93 Difference]: Finished difference Result 53925 states and 61162 transitions. [2022-12-13 11:42:26,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:26,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 2 states have internal predecessors, (250), 0 states have call successors, (0), 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 269 [2022-12-13 11:42:26,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:26,650 INFO L225 Difference]: With dead ends: 53925 [2022-12-13 11:42:26,650 INFO L226 Difference]: Without dead ends: 32351 [2022-12-13 11:42:26,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:42:26,661 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 152 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:26,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 134 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:42:26,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32351 states. [2022-12-13 11:42:26,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32351 to 29295. [2022-12-13 11:42:26,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29295 states, 29294 states have (on average 1.1438178466580187) internal successors, (33507), 29294 states have internal predecessors, (33507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:26,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29295 states to 29295 states and 33507 transitions. [2022-12-13 11:42:26,992 INFO L78 Accepts]: Start accepts. Automaton has 29295 states and 33507 transitions. Word has length 269 [2022-12-13 11:42:26,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:26,992 INFO L495 AbstractCegarLoop]: Abstraction has 29295 states and 33507 transitions. [2022-12-13 11:42:26,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 2 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:26,992 INFO L276 IsEmpty]: Start isEmpty. Operand 29295 states and 33507 transitions. [2022-12-13 11:42:27,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-12-13 11:42:27,004 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:27,004 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, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 11:42:27,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 11:42:27,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 11:42:27,206 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:27,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:27,207 INFO L85 PathProgramCache]: Analyzing trace with hash -540576542, now seen corresponding path program 1 times [2022-12-13 11:42:27,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:27,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420852281] [2022-12-13 11:42:27,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:27,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:27,467 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-12-13 11:42:27,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:27,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420852281] [2022-12-13 11:42:27,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420852281] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:27,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:27,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:42:27,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233876717] [2022-12-13 11:42:27,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:27,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:42:27,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:27,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:27,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:27,469 INFO L87 Difference]: Start difference. First operand 29295 states and 33507 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 2 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:28,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:28,175 INFO L93 Difference]: Finished difference Result 63080 states and 72172 transitions. [2022-12-13 11:42:28,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:28,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 2 states have internal predecessors, (204), 0 states have call successors, (0), 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 272 [2022-12-13 11:42:28,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:28,204 INFO L225 Difference]: With dead ends: 63080 [2022-12-13 11:42:28,204 INFO L226 Difference]: Without dead ends: 38253 [2022-12-13 11:42:28,217 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 [2022-12-13 11:42:28,217 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 218 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:28,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 149 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:42:28,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38253 states. [2022-12-13 11:42:28,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38253 to 38248. [2022-12-13 11:42:28,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38248 states, 38247 states have (on average 1.1430177530263812) internal successors, (43717), 38247 states have internal predecessors, (43717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:28,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38248 states to 38248 states and 43717 transitions. [2022-12-13 11:42:28,645 INFO L78 Accepts]: Start accepts. Automaton has 38248 states and 43717 transitions. Word has length 272 [2022-12-13 11:42:28,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:28,645 INFO L495 AbstractCegarLoop]: Abstraction has 38248 states and 43717 transitions. [2022-12-13 11:42:28,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 2 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:28,645 INFO L276 IsEmpty]: Start isEmpty. Operand 38248 states and 43717 transitions. [2022-12-13 11:42:28,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-12-13 11:42:28,656 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:28,656 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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, 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] [2022-12-13 11:42:28,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 11:42:28,656 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:28,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:28,657 INFO L85 PathProgramCache]: Analyzing trace with hash -162490546, now seen corresponding path program 1 times [2022-12-13 11:42:28,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:28,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515504130] [2022-12-13 11:42:28,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:28,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:28,882 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-13 11:42:28,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:28,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515504130] [2022-12-13 11:42:28,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515504130] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:28,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:28,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:28,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312596938] [2022-12-13 11:42:28,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:28,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:42:28,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:28,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:42:28,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:42:28,884 INFO L87 Difference]: Start difference. First operand 38248 states and 43717 transitions. Second operand has 4 states, 4 states have (on average 67.75) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:29,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:29,873 INFO L93 Difference]: Finished difference Result 67967 states and 77475 transitions. [2022-12-13 11:42:29,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:42:29,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 67.75) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 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 289 [2022-12-13 11:42:29,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:29,911 INFO L225 Difference]: With dead ends: 67967 [2022-12-13 11:42:29,911 INFO L226 Difference]: Without dead ends: 43140 [2022-12-13 11:42:29,926 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 [2022-12-13 11:42:29,927 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 355 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:29,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 129 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 1083 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 11:42:29,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43140 states. [2022-12-13 11:42:30,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43140 to 38860. [2022-12-13 11:42:30,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38860 states, 38859 states have (on average 1.1427983221390154) internal successors, (44408), 38859 states have internal predecessors, (44408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:30,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38860 states to 38860 states and 44408 transitions. [2022-12-13 11:42:30,389 INFO L78 Accepts]: Start accepts. Automaton has 38860 states and 44408 transitions. Word has length 289 [2022-12-13 11:42:30,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:30,389 INFO L495 AbstractCegarLoop]: Abstraction has 38860 states and 44408 transitions. [2022-12-13 11:42:30,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.75) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:30,389 INFO L276 IsEmpty]: Start isEmpty. Operand 38860 states and 44408 transitions. [2022-12-13 11:42:30,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-12-13 11:42:30,410 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:30,410 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, 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, 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] [2022-12-13 11:42:30,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 11:42:30,410 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:30,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:30,411 INFO L85 PathProgramCache]: Analyzing trace with hash 2138159137, now seen corresponding path program 1 times [2022-12-13 11:42:30,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:30,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317843706] [2022-12-13 11:42:30,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:30,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:30,756 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 152 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-13 11:42:30,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:30,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317843706] [2022-12-13 11:42:30,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317843706] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:42:30,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915971041] [2022-12-13 11:42:30,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:30,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:42:30,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:30,758 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:42:30,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 11:42:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:30,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:42:30,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:42:31,063 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-13 11:42:31,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:42:31,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915971041] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:31,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:42:31,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-12-13 11:42:31,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863145388] [2022-12-13 11:42:31,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:31,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:42:31,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:31,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:31,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:42:31,065 INFO L87 Difference]: Start difference. First operand 38860 states and 44408 transitions. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 2 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:31,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:31,603 INFO L93 Difference]: Finished difference Result 96650 states and 110604 transitions. [2022-12-13 11:42:31,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:31,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 2 states have internal predecessors, (294), 0 states have call successors, (0), 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 317 [2022-12-13 11:42:31,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:31,664 INFO L225 Difference]: With dead ends: 96650 [2022-12-13 11:42:31,665 INFO L226 Difference]: Without dead ends: 62667 [2022-12-13 11:42:31,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:42:31,686 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 210 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:31,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 523 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 11:42:31,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62667 states. [2022-12-13 11:42:32,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62667 to 62653. [2022-12-13 11:42:32,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62653 states, 62652 states have (on average 1.144480623124561) internal successors, (71704), 62652 states have internal predecessors, (71704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:32,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62653 states to 62653 states and 71704 transitions. [2022-12-13 11:42:32,401 INFO L78 Accepts]: Start accepts. Automaton has 62653 states and 71704 transitions. Word has length 317 [2022-12-13 11:42:32,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:32,402 INFO L495 AbstractCegarLoop]: Abstraction has 62653 states and 71704 transitions. [2022-12-13 11:42:32,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 2 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:32,402 INFO L276 IsEmpty]: Start isEmpty. Operand 62653 states and 71704 transitions. [2022-12-13 11:42:32,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2022-12-13 11:42:32,418 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:32,418 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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, 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] [2022-12-13 11:42:32,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-13 11:42:32,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 11:42:32,620 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:32,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:32,621 INFO L85 PathProgramCache]: Analyzing trace with hash -31806023, now seen corresponding path program 1 times [2022-12-13 11:42:32,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:32,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794024819] [2022-12-13 11:42:32,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:32,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:33,071 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-13 11:42:33,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:33,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794024819] [2022-12-13 11:42:33,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794024819] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:33,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:33,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:42:33,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470248388] [2022-12-13 11:42:33,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:33,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:42:33,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:33,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:33,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:33,073 INFO L87 Difference]: Start difference. First operand 62653 states and 71704 transitions. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 2 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:34,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:34,037 INFO L93 Difference]: Finished difference Result 126937 states and 144741 transitions. [2022-12-13 11:42:34,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:34,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 2 states have internal predecessors, (300), 0 states have call successors, (0), 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 323 [2022-12-13 11:42:34,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:34,096 INFO L225 Difference]: With dead ends: 126937 [2022-12-13 11:42:34,096 INFO L226 Difference]: Without dead ends: 68549 [2022-12-13 11:42:34,123 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 [2022-12-13 11:42:34,123 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 86 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:34,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 132 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 11:42:34,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68549 states. [2022-12-13 11:42:34,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68549 to 67119. [2022-12-13 11:42:34,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67119 states, 67118 states have (on average 1.1370869215411663) internal successors, (76319), 67118 states have internal predecessors, (76319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:34,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67119 states to 67119 states and 76319 transitions. [2022-12-13 11:42:34,812 INFO L78 Accepts]: Start accepts. Automaton has 67119 states and 76319 transitions. Word has length 323 [2022-12-13 11:42:34,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:34,812 INFO L495 AbstractCegarLoop]: Abstraction has 67119 states and 76319 transitions. [2022-12-13 11:42:34,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 2 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:34,812 INFO L276 IsEmpty]: Start isEmpty. Operand 67119 states and 76319 transitions. [2022-12-13 11:42:34,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-12-13 11:42:34,833 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:34,833 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:42:34,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 11:42:34,834 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:34,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:34,834 INFO L85 PathProgramCache]: Analyzing trace with hash 766883010, now seen corresponding path program 1 times [2022-12-13 11:42:34,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:34,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596076701] [2022-12-13 11:42:34,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:34,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:35,138 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-12-13 11:42:35,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:35,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596076701] [2022-12-13 11:42:35,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596076701] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:35,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:35,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:42:35,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827648297] [2022-12-13 11:42:35,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:35,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:42:35,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:35,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:35,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:35,141 INFO L87 Difference]: Start difference. First operand 67119 states and 76319 transitions. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 2 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:36,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:36,266 INFO L93 Difference]: Finished difference Result 155218 states and 177152 transitions. [2022-12-13 11:42:36,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:36,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 2 states have internal predecessors, (222), 0 states have call successors, (0), 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 338 [2022-12-13 11:42:36,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:36,345 INFO L225 Difference]: With dead ends: 155218 [2022-12-13 11:42:36,345 INFO L226 Difference]: Without dead ends: 94600 [2022-12-13 11:42:36,378 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 [2022-12-13 11:42:36,378 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 210 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:36,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 152 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 11:42:36,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94600 states. [2022-12-13 11:42:37,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94600 to 94592. [2022-12-13 11:42:37,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94592 states, 94591 states have (on average 1.1414828049180155) internal successors, (107974), 94591 states have internal predecessors, (107974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:37,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94592 states to 94592 states and 107974 transitions. [2022-12-13 11:42:37,491 INFO L78 Accepts]: Start accepts. Automaton has 94592 states and 107974 transitions. Word has length 338 [2022-12-13 11:42:37,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:37,491 INFO L495 AbstractCegarLoop]: Abstraction has 94592 states and 107974 transitions. [2022-12-13 11:42:37,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 2 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:37,491 INFO L276 IsEmpty]: Start isEmpty. Operand 94592 states and 107974 transitions. [2022-12-13 11:42:37,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2022-12-13 11:42:37,517 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:37,517 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 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, 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] [2022-12-13 11:42:37,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 11:42:37,517 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:37,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:37,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1600962381, now seen corresponding path program 1 times [2022-12-13 11:42:37,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:37,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878283593] [2022-12-13 11:42:37,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:37,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:38,109 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 183 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-13 11:42:38,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:38,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878283593] [2022-12-13 11:42:38,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878283593] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:42:38,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218818180] [2022-12-13 11:42:38,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:38,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:42:38,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:38,111 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:42:38,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 11:42:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:38,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:42:38,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:42:38,452 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-13 11:42:38,452 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:42:38,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218818180] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:38,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:42:38,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-12-13 11:42:38,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653768392] [2022-12-13 11:42:38,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:38,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:42:38,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:38,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:38,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:42:38,454 INFO L87 Difference]: Start difference. First operand 94592 states and 107974 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:39,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:39,641 INFO L93 Difference]: Finished difference Result 207722 states and 238889 transitions. [2022-12-13 11:42:39,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:39,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 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 340 [2022-12-13 11:42:39,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:39,774 INFO L225 Difference]: With dead ends: 207722 [2022-12-13 11:42:39,775 INFO L226 Difference]: Without dead ends: 116583 [2022-12-13 11:42:39,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:42:39,827 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 90 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:39,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 122 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:42:39,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116583 states. [2022-12-13 11:42:41,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116583 to 103546. [2022-12-13 11:42:41,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103546 states, 103545 states have (on average 1.1397266888792312) internal successors, (118013), 103545 states have internal predecessors, (118013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:41,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103546 states to 103546 states and 118013 transitions. [2022-12-13 11:42:41,186 INFO L78 Accepts]: Start accepts. Automaton has 103546 states and 118013 transitions. Word has length 340 [2022-12-13 11:42:41,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:41,187 INFO L495 AbstractCegarLoop]: Abstraction has 103546 states and 118013 transitions. [2022-12-13 11:42:41,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:41,187 INFO L276 IsEmpty]: Start isEmpty. Operand 103546 states and 118013 transitions. [2022-12-13 11:42:41,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2022-12-13 11:42:41,213 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:41,213 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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] [2022-12-13 11:42:41,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 11:42:41,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:42:41,416 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:41,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:41,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1584894317, now seen corresponding path program 1 times [2022-12-13 11:42:41,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:41,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584363443] [2022-12-13 11:42:41,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:41,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:41,782 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-12-13 11:42:41,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:41,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584363443] [2022-12-13 11:42:41,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584363443] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:42:41,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509445388] [2022-12-13 11:42:41,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:41,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:42:41,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,783 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 11:42:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:41,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 11:42:41,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:42:42,061 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-12-13 11:42:42,062 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:42:42,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509445388] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:42,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:42:42,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-12-13 11:42:42,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798031230] [2022-12-13 11:42:42,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:42,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:42:42,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:42,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:42,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:42:42,063 INFO L87 Difference]: Start difference. First operand 103546 states and 118013 transitions. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 2 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:42,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:42,947 INFO L93 Difference]: Finished difference Result 258748 states and 294656 transitions. [2022-12-13 11:42:42,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:42,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 2 states have internal predecessors, (308), 0 states have call successors, (0), 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 372 [2022-12-13 11:42:42,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:43,103 INFO L225 Difference]: With dead ends: 258748 [2022-12-13 11:42:43,103 INFO L226 Difference]: Without dead ends: 158858 [2022-12-13 11:42:43,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:42:43,147 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 191 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:43,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 438 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 11:42:43,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158858 states. [2022-12-13 11:42:45,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158858 to 158032. [2022-12-13 11:42:45,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158032 states, 158031 states have (on average 1.137884339148648) internal successors, (179821), 158031 states have internal predecessors, (179821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:45,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158032 states to 158032 states and 179821 transitions. [2022-12-13 11:42:45,347 INFO L78 Accepts]: Start accepts. Automaton has 158032 states and 179821 transitions. Word has length 372 [2022-12-13 11:42:45,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:45,347 INFO L495 AbstractCegarLoop]: Abstraction has 158032 states and 179821 transitions. [2022-12-13 11:42:45,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 2 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:45,347 INFO L276 IsEmpty]: Start isEmpty. Operand 158032 states and 179821 transitions. [2022-12-13 11:42:45,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2022-12-13 11:42:45,397 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:45,397 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 11:42:45,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 11:42:45,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:42:45,599 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:45,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:45,600 INFO L85 PathProgramCache]: Analyzing trace with hash 892022467, now seen corresponding path program 1 times [2022-12-13 11:42:45,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:45,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508969538] [2022-12-13 11:42:45,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:45,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:45,970 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2022-12-13 11:42:45,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:45,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508969538] [2022-12-13 11:42:45,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508969538] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:45,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:45,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:45,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853714628] [2022-12-13 11:42:45,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:45,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:42:45,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:45,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:42:45,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:42:45,971 INFO L87 Difference]: Start difference. First operand 158032 states and 179821 transitions. Second operand has 4 states, 4 states have (on average 58.5) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:47,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:47,760 INFO L93 Difference]: Finished difference Result 387466 states and 439693 transitions. [2022-12-13 11:42:47,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:42:47,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 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 410 [2022-12-13 11:42:47,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:48,014 INFO L225 Difference]: With dead ends: 387466 [2022-12-13 11:42:48,014 INFO L226 Difference]: Without dead ends: 230451 [2022-12-13 11:42:48,091 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 [2022-12-13 11:42:48,092 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 445 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:48,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 336 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 11:42:48,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230451 states. [2022-12-13 11:42:51,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230451 to 212172. [2022-12-13 11:42:51,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212172 states, 212171 states have (on average 1.1146575168142678) internal successors, (236498), 212171 states have internal predecessors, (236498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:51,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212172 states to 212172 states and 236498 transitions. [2022-12-13 11:42:51,464 INFO L78 Accepts]: Start accepts. Automaton has 212172 states and 236498 transitions. Word has length 410 [2022-12-13 11:42:51,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:51,464 INFO L495 AbstractCegarLoop]: Abstraction has 212172 states and 236498 transitions. [2022-12-13 11:42:51,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:51,464 INFO L276 IsEmpty]: Start isEmpty. Operand 212172 states and 236498 transitions. [2022-12-13 11:42:51,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2022-12-13 11:42:51,514 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:51,514 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, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:42:51,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 11:42:51,514 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:51,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:51,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1158823883, now seen corresponding path program 1 times [2022-12-13 11:42:51,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:51,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740756808] [2022-12-13 11:42:51,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:51,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:51,849 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 11:42:51,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:51,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740756808] [2022-12-13 11:42:51,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740756808] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:51,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:51,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:51,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745371839] [2022-12-13 11:42:51,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:51,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:42:51,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:51,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:42:51,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:42:51,851 INFO L87 Difference]: Start difference. First operand 212172 states and 236498 transitions. Second operand has 4 states, 4 states have (on average 99.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:53,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:53,930 INFO L93 Difference]: Finished difference Result 477248 states and 534629 transitions. [2022-12-13 11:42:53,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:42:53,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 99.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 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 425 [2022-12-13 11:42:53,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:54,240 INFO L225 Difference]: With dead ends: 477248 [2022-12-13 11:42:54,241 INFO L226 Difference]: Without dead ends: 269544 [2022-12-13 11:42:54,336 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 [2022-12-13 11:42:54,336 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 294 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:54,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 486 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 11:42:54,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269544 states. [2022-12-13 11:42:57,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269544 to 257143. [2022-12-13 11:42:57,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257143 states, 257142 states have (on average 1.1256426410310256) internal successors, (289450), 257142 states have internal predecessors, (289450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:57,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257143 states to 257143 states and 289450 transitions. [2022-12-13 11:42:57,891 INFO L78 Accepts]: Start accepts. Automaton has 257143 states and 289450 transitions. Word has length 425 [2022-12-13 11:42:57,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:57,891 INFO L495 AbstractCegarLoop]: Abstraction has 257143 states and 289450 transitions. [2022-12-13 11:42:57,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 99.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:57,891 INFO L276 IsEmpty]: Start isEmpty. Operand 257143 states and 289450 transitions. [2022-12-13 11:42:57,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2022-12-13 11:42:57,951 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:57,952 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:42:57,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 11:42:57,952 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:57,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:57,952 INFO L85 PathProgramCache]: Analyzing trace with hash -2015797984, now seen corresponding path program 1 times [2022-12-13 11:42:57,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:57,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972173444] [2022-12-13 11:42:57,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:57,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:59,681 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 460 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-12-13 11:42:59,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:59,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972173444] [2022-12-13 11:42:59,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972173444] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:42:59,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054608830] [2022-12-13 11:42:59,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:59,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:42:59,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:59,683 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:42:59,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 11:42:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:59,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:42:59,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:43:00,249 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-12-13 11:43:00,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:43:00,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054608830] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:43:00,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:43:00,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2022-12-13 11:43:00,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365897899] [2022-12-13 11:43:00,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:43:00,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:43:00,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:43:00,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:43:00,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:43:00,252 INFO L87 Difference]: Start difference. First operand 257143 states and 289450 transitions. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:43:02,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:43:02,791 INFO L93 Difference]: Finished difference Result 552653 states and 624520 transitions. [2022-12-13 11:43:02,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:43:02,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 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 465 [2022-12-13 11:43:02,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:43:03,267 INFO L225 Difference]: With dead ends: 552653 [2022-12-13 11:43:03,267 INFO L226 Difference]: Without dead ends: 301602 [2022-12-13 11:43:03,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 464 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:43:03,358 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 91 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:43:03,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 307 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:43:03,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301602 states. [2022-12-13 11:43:06,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301602 to 287583. [2022-12-13 11:43:06,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287583 states, 287582 states have (on average 1.1276887983253472) internal successors, (324303), 287582 states have internal predecessors, (324303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:43:07,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287583 states to 287583 states and 324303 transitions. [2022-12-13 11:43:07,171 INFO L78 Accepts]: Start accepts. Automaton has 287583 states and 324303 transitions. Word has length 465 [2022-12-13 11:43:07,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:43:07,172 INFO L495 AbstractCegarLoop]: Abstraction has 287583 states and 324303 transitions. [2022-12-13 11:43:07,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:43:07,172 INFO L276 IsEmpty]: Start isEmpty. Operand 287583 states and 324303 transitions. [2022-12-13 11:43:07,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2022-12-13 11:43:07,553 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:43:07,554 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2022-12-13 11:43:07,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 11:43:07,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:43:07,756 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:43:07,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:43:07,758 INFO L85 PathProgramCache]: Analyzing trace with hash 32438654, now seen corresponding path program 1 times [2022-12-13 11:43:07,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:43:07,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401697069] [2022-12-13 11:43:07,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:43:07,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:43:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:43:09,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 811 proven. 101 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2022-12-13 11:43:09,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:43:09,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401697069] [2022-12-13 11:43:09,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401697069] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:43:09,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092056956] [2022-12-13 11:43:09,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:43:09,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:43:09,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:43:09,769 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:43:09,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 11:43:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:43:10,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:43:10,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:43:10,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 1147 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2022-12-13 11:43:10,224 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:43:10,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092056956] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:43:10,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:43:10,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-12-13 11:43:10,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215680594] [2022-12-13 11:43:10,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:43:10,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:43:10,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:43:10,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:43:10,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:43:10,226 INFO L87 Difference]: Start difference. First operand 287583 states and 324303 transitions. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:43:12,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:43:12,276 INFO L93 Difference]: Finished difference Result 533065 states and 600554 transitions. [2022-12-13 11:43:12,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:43:12,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 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 698 [2022-12-13 11:43:12,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:43:12,545 INFO L225 Difference]: With dead ends: 533065 [2022-12-13 11:43:12,545 INFO L226 Difference]: Without dead ends: 247514 [2022-12-13 11:43:12,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 701 GetRequests, 697 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:43:12,638 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 159 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:43:12,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 129 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:43:12,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247514 states. [2022-12-13 11:43:15,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247514 to 202374. [2022-12-13 11:43:15,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202374 states, 202373 states have (on average 1.0902244864680566) internal successors, (220632), 202373 states have internal predecessors, (220632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:43:15,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202374 states to 202374 states and 220632 transitions. [2022-12-13 11:43:15,545 INFO L78 Accepts]: Start accepts. Automaton has 202374 states and 220632 transitions. Word has length 698 [2022-12-13 11:43:15,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:43:15,545 INFO L495 AbstractCegarLoop]: Abstraction has 202374 states and 220632 transitions. [2022-12-13 11:43:15,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:43:15,546 INFO L276 IsEmpty]: Start isEmpty. Operand 202374 states and 220632 transitions. [2022-12-13 11:43:15,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790 [2022-12-13 11:43:15,839 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:43:15,840 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:43:15,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 11:43:16,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-12-13 11:43:16,042 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:43:16,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:43:16,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1411527940, now seen corresponding path program 1 times [2022-12-13 11:43:16,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:43:16,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050482438] [2022-12-13 11:43:16,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:43:16,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:43:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:43:18,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1998 backedges. 988 proven. 101 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2022-12-13 11:43:18,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:43:18,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050482438] [2022-12-13 11:43:18,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050482438] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:43:18,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799412318] [2022-12-13 11:43:18,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:43:18,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:43:18,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:43:18,328 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:43:18,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 11:43:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:43:18,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 11:43:18,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:43:18,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1998 backedges. 1089 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2022-12-13 11:43:18,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:43:18,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799412318] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:43:18,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:43:18,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-12-13 11:43:18,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115642468] [2022-12-13 11:43:18,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:43:18,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:43:18,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:43:18,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:43:18,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:43:18,930 INFO L87 Difference]: Start difference. First operand 202374 states and 220632 transitions. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:43:20,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:43:20,645 INFO L93 Difference]: Finished difference Result 396480 states and 432579 transitions. [2022-12-13 11:43:20,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:43:20,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 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 789 [2022-12-13 11:43:20,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:43:20,646 INFO L225 Difference]: With dead ends: 396480 [2022-12-13 11:43:20,646 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 11:43:20,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 792 GetRequests, 788 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:43:20,748 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 85 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 11:43:20,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 363 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 11:43:20,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 11:43:20,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 11:43:20,748 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) [2022-12-13 11:43:20,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 11:43:20,749 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 789 [2022-12-13 11:43:20,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:43:20,749 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 11:43:20,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:43:20,749 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 11:43:20,749 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 11:43:20,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 11:43:20,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 11:43:20,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:43:20,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 11:44:48,524 WARN L233 SmtUtils]: Spent 1.46m on a formula simplification. DAG size of input: 2095 DAG size of output: 2095 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 11:46:13,998 WARN L233 SmtUtils]: Spent 1.42m on a formula simplification. DAG size of input: 2095 DAG size of output: 2095 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 11:46:55,708 WARN L233 SmtUtils]: Spent 41.68s on a formula simplification. DAG size of input: 2095 DAG size of output: 112 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 11:47:38,508 WARN L233 SmtUtils]: Spent 42.78s on a formula simplification. DAG size of input: 2095 DAG size of output: 112 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 11:47:38,510 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2022-12-13 11:47:38,510 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,511 INFO L899 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,512 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,513 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-12-13 11:47:38,514 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-12-13 11:47:38,515 INFO L899 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,516 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1549) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2022-12-13 11:47:38,517 INFO L899 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,518 INFO L899 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,519 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,519 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2022-12-13 11:47:38,519 INFO L899 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2022-12-13 11:47:38,519 INFO L899 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,519 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,519 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,519 INFO L902 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2022-12-13 11:47:38,519 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,519 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,519 INFO L899 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,519 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,519 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,519 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,519 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-12-13 11:47:38,519 INFO L899 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2022-12-13 11:47:38,519 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,519 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,519 INFO L899 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,519 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,520 INFO L899 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,520 INFO L899 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,520 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,520 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,520 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,520 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-12-13 11:47:38,520 INFO L899 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2022-12-13 11:47:38,520 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,520 INFO L899 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,520 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2022-12-13 11:47:38,520 INFO L899 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2022-12-13 11:47:38,520 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,521 INFO L895 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse6 (= ~a11~0 1)) (.cse14 (= ~a12~0 1))) (let ((.cse13 (<= ~a3~0 1)) (.cse3 (<= ~a12~0 0)) (.cse23 (= ~a25~0 ~a12~0)) (.cse11 (= ~a11~0 ~a6~0)) (.cse18 (not .cse14)) (.cse20 (= ~a15~0 1)) (.cse1 (<= 2 ~a3~0)) (.cse21 (= ~a26~0 ~a6~0)) (.cse22 (= ~a12~0 ~a6~0)) (.cse19 (<= ~a27~0 0)) (.cse12 (= ~a26~0 1)) (.cse2 (<= ~a26~0 0)) (.cse7 (= ~a6~0 0)) (.cse16 (= ~a26~0 ~a11~0)) (.cse8 (= ~a27~0 1)) (.cse24 (<= ~a7~0 0)) (.cse0 (= ~a5~0 1)) (.cse10 (<= ~a3~0 0)) (.cse5 (= ~a16~0 1)) (.cse15 (= ~a6~0 1)) (.cse17 (= ~a0~0 1)) (.cse4 (not .cse6)) (.cse9 (= ~a22~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse6 .cse7 .cse3 .cse8 .cse9) (and .cse0 .cse10 .cse11 .cse6 .cse3) (and .cse12 .cse0 .cse13 .cse3 .cse8) (and .cse0 .cse14 .cse5 .cse6 .cse15 .cse16 .cse8 .cse17 .cse9) (and .cse0 .cse1 .cse11 .cse18 .cse19) (and .cse20 .cse0 .cse14 .cse21 .cse8 .cse4 .cse22) (and .cse23 .cse0 .cse14 .cse13 .cse5 .cse2 .cse6 .cse15 .cse9) (and .cse24 .cse12 .cse0 .cse10 .cse8 .cse17) (and (= ~a25~0 ~a11~0) .cse0 .cse10 .cse11 .cse6 .cse21 .cse17 .cse22) (and .cse20 .cse0 .cse10 .cse5 .cse6 .cse7 .cse21 .cse8 .cse22) (and .cse0 .cse7 .cse21 .cse17 .cse22 .cse19) (and .cse0 .cse10 .cse11 .cse6 .cse16 .cse8) (and .cse0 .cse5 .cse15 .cse3 .cse4 .cse9) (and .cse20 .cse0 .cse10 .cse11 .cse5 .cse6 .cse21 .cse22) (and .cse12 .cse0 .cse14 .cse1 .cse4) (and .cse20 .cse0 .cse14 .cse10 .cse6 .cse8 .cse17 .cse22) (and .cse0 .cse1 .cse11 .cse6 .cse3) (and .cse12 .cse0 .cse8 .cse17 .cse4) (and .cse0 .cse18 .cse17 .cse4 .cse19) (and .cse0 .cse1 .cse11 .cse5 .cse6 .cse17) (and .cse24 .cse0 .cse5 .cse15 .cse8 .cse17 .cse4 .cse9) (and .cse0 .cse13 .cse7 .cse3 .cse17) (and .cse0 .cse3 .cse4 .cse19) (and .cse0 .cse1 .cse2 .cse8 .cse4) (and .cse20 .cse0 .cse5 .cse6 .cse7 .cse21 .cse17 .cse22) (and .cse0 .cse14 .cse1 .cse6 .cse16 .cse8 .cse17) (and .cse0 .cse5 .cse7 .cse3 .cse17 .cse9) (and .cse0 .cse10 .cse2 .cse7 .cse4) (and .cse12 .cse0 .cse14 .cse10 .cse8) (and .cse12 .cse0 .cse14 .cse10 .cse17 .cse4) (and .cse0 .cse11 .cse5 .cse6 .cse3 .cse9 .cse19) (and .cse23 .cse0 .cse14 .cse13 .cse5 .cse6 .cse7 .cse9) (and .cse0 .cse10 .cse5 .cse3 .cse8 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse7 .cse3 .cse8 .cse9) (and .cse12 .cse0 .cse1 .cse8 .cse4) (and .cse12 .cse0 .cse14 .cse5 .cse6 .cse7) (and .cse24 .cse0 .cse14 .cse1 .cse11 .cse5 .cse6 .cse8 .cse9) (and .cse0 .cse1 .cse18 .cse4 .cse19) (and .cse20 .cse0 .cse5 .cse6 .cse16 .cse21 .cse8 .cse17 .cse22) (and .cse12 .cse0 .cse14 .cse1 .cse7) (and .cse20 .cse0 .cse10 .cse5 .cse6 .cse7 .cse8 .cse22 .cse9) (and .cse0 .cse2 .cse7 .cse8 .cse17) (and .cse0 .cse1 .cse6 .cse7 .cse16 .cse8) (and .cse0 .cse3 .cse17 .cse4) (and .cse0 .cse16 .cse3 .cse8 .cse17) (and .cse12 .cse23 .cse0 .cse10 .cse5 .cse8 .cse4) (and .cse20 .cse0 .cse10 .cse11 .cse6 .cse21 .cse17 .cse22) (and .cse0 .cse11 .cse18 .cse17 .cse19) (and .cse0 .cse10 .cse18 .cse4 .cse19) (and .cse20 .cse0 .cse1 .cse5 .cse6 .cse7 .cse21 .cse22 .cse19) (and .cse12 .cse0 .cse14 .cse10 .cse7 .cse17) (and .cse0 .cse2 .cse17 .cse4) (and .cse0 .cse14 .cse6 .cse7 .cse16 .cse8 .cse17) (and .cse24 .cse0 .cse14 .cse10 .cse5 .cse15 .cse17 .cse4 .cse9)))) [2022-12-13 11:47:38,521 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,521 INFO L899 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,521 INFO L899 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,521 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,521 INFO L899 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2022-12-13 11:47:38,521 INFO L899 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2022-12-13 11:47:38,521 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,521 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,521 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,521 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,521 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,521 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,521 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,521 INFO L899 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,521 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2022-12-13 11:47:38,521 INFO L899 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2022-12-13 11:47:38,521 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-12-13 11:47:38,521 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,521 INFO L899 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2022-12-13 11:47:38,522 INFO L899 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 11:47:38,523 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,524 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,524 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,524 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,524 INFO L899 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,524 INFO L899 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,524 INFO L899 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,524 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2022-12-13 11:47:38,524 INFO L899 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2022-12-13 11:47:38,524 INFO L895 garLoopResultBuilder]: At program point calculate_output_returnLabel#1(lines 64 1660) the Hoare annotation is: (let ((.cse6 (= ~a11~0 1)) (.cse14 (= ~a12~0 1))) (let ((.cse13 (<= ~a3~0 1)) (.cse3 (<= ~a12~0 0)) (.cse23 (= ~a25~0 ~a12~0)) (.cse11 (= ~a11~0 ~a6~0)) (.cse18 (not .cse14)) (.cse20 (= ~a15~0 1)) (.cse1 (<= 2 ~a3~0)) (.cse21 (= ~a26~0 ~a6~0)) (.cse22 (= ~a12~0 ~a6~0)) (.cse19 (<= ~a27~0 0)) (.cse12 (= ~a26~0 1)) (.cse2 (<= ~a26~0 0)) (.cse7 (= ~a6~0 0)) (.cse16 (= ~a26~0 ~a11~0)) (.cse8 (= ~a27~0 1)) (.cse24 (<= ~a7~0 0)) (.cse0 (= ~a5~0 1)) (.cse10 (<= ~a3~0 0)) (.cse5 (= ~a16~0 1)) (.cse15 (= ~a6~0 1)) (.cse17 (= ~a0~0 1)) (.cse4 (not .cse6)) (.cse9 (= ~a22~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse6 .cse7 .cse3 .cse8 .cse9) (and .cse0 .cse10 .cse11 .cse6 .cse3) (and .cse12 .cse0 .cse13 .cse3 .cse8) (and .cse0 .cse14 .cse5 .cse6 .cse15 .cse16 .cse8 .cse17 .cse9) (and .cse0 .cse1 .cse11 .cse18 .cse19) (and .cse20 .cse0 .cse14 .cse21 .cse8 .cse4 .cse22) (and .cse23 .cse0 .cse14 .cse13 .cse5 .cse2 .cse6 .cse15 .cse9) (and .cse24 .cse12 .cse0 .cse10 .cse8 .cse17) (and (= ~a25~0 ~a11~0) .cse0 .cse10 .cse11 .cse6 .cse21 .cse17 .cse22) (and .cse20 .cse0 .cse10 .cse5 .cse6 .cse7 .cse21 .cse8 .cse22) (and .cse0 .cse7 .cse21 .cse17 .cse22 .cse19) (and .cse0 .cse10 .cse11 .cse6 .cse16 .cse8) (and .cse0 .cse5 .cse15 .cse3 .cse4 .cse9) (and .cse20 .cse0 .cse10 .cse11 .cse5 .cse6 .cse21 .cse22) (and .cse12 .cse0 .cse14 .cse1 .cse4) (and .cse20 .cse0 .cse14 .cse10 .cse6 .cse8 .cse17 .cse22) (and .cse0 .cse1 .cse11 .cse6 .cse3) (and .cse12 .cse0 .cse8 .cse17 .cse4) (and .cse0 .cse18 .cse17 .cse4 .cse19) (and .cse0 .cse1 .cse11 .cse5 .cse6 .cse17) (and .cse24 .cse0 .cse5 .cse15 .cse8 .cse17 .cse4 .cse9) (and .cse0 .cse13 .cse7 .cse3 .cse17) (and .cse0 .cse3 .cse4 .cse19) (and .cse0 .cse1 .cse2 .cse8 .cse4) (and .cse20 .cse0 .cse5 .cse6 .cse7 .cse21 .cse17 .cse22) (and .cse0 .cse14 .cse1 .cse6 .cse16 .cse8 .cse17) (and .cse0 .cse5 .cse7 .cse3 .cse17 .cse9) (and .cse0 .cse10 .cse2 .cse7 .cse4) (and .cse12 .cse0 .cse14 .cse10 .cse8) (and .cse12 .cse0 .cse14 .cse10 .cse17 .cse4) (and .cse0 .cse11 .cse5 .cse6 .cse3 .cse9 .cse19) (and .cse23 .cse0 .cse14 .cse13 .cse5 .cse6 .cse7 .cse9) (and .cse0 .cse10 .cse5 .cse3 .cse8 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse7 .cse3 .cse8 .cse9) (and .cse12 .cse0 .cse1 .cse8 .cse4) (and .cse12 .cse0 .cse14 .cse5 .cse6 .cse7) (and .cse24 .cse0 .cse14 .cse1 .cse11 .cse5 .cse6 .cse8 .cse9) (and .cse0 .cse1 .cse18 .cse4 .cse19) (and .cse20 .cse0 .cse5 .cse6 .cse16 .cse21 .cse8 .cse17 .cse22) (and .cse12 .cse0 .cse14 .cse1 .cse7) (and .cse20 .cse0 .cse10 .cse5 .cse6 .cse7 .cse8 .cse22 .cse9) (and .cse0 .cse2 .cse7 .cse8 .cse17) (and .cse0 .cse1 .cse6 .cse7 .cse16 .cse8) (and .cse0 .cse3 .cse17 .cse4) (and .cse0 .cse16 .cse3 .cse8 .cse17) (and .cse12 .cse23 .cse0 .cse10 .cse5 .cse8 .cse4) (and .cse20 .cse0 .cse10 .cse11 .cse6 .cse21 .cse17 .cse22) (and .cse0 .cse11 .cse18 .cse17 .cse19) (and .cse0 .cse10 .cse18 .cse4 .cse19) (and .cse20 .cse0 .cse1 .cse5 .cse6 .cse7 .cse21 .cse22 .cse19) (and .cse12 .cse0 .cse14 .cse10 .cse7 .cse17) (and .cse0 .cse2 .cse17 .cse4) (and .cse0 .cse14 .cse6 .cse7 .cse16 .cse8 .cse17) (and .cse24 .cse0 .cse14 .cse10 .cse5 .cse15 .cse17 .cse4 .cse9)))) [2022-12-13 11:47:38,524 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,524 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-12-13 11:47:38,525 INFO L899 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2022-12-13 11:47:38,525 INFO L899 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2022-12-13 11:47:38,525 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,525 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,525 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,525 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,525 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2022-12-13 11:47:38,525 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2022-12-13 11:47:38,525 INFO L899 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2022-12-13 11:47:38,525 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,525 INFO L899 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,525 INFO L899 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:47:38,527 INFO L445 BasicCegarLoop]: Path program histogram: [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] [2022-12-13 11:47:38,529 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:47:38,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:47:38 BoogieIcfgContainer [2022-12-13 11:47:38,555 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:47:38,556 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:47:38,556 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:47:38,556 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:47:38,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:42:08" (3/4) ... [2022-12-13 11:47:38,558 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 11:47:38,575 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-13 11:47:38,577 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 11:47:38,578 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 11:47:38,579 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 11:47:38,678 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:47:38,678 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:47:38,678 INFO L158 Benchmark]: Toolchain (without parser) took 332763.29ms. Allocated memory was 113.2MB in the beginning and 8.0GB in the end (delta: 7.9GB). Free memory was 67.9MB in the beginning and 890.7MB in the end (delta: -822.8MB). Peak memory consumption was 7.1GB. Max. memory is 16.1GB. [2022-12-13 11:47:38,679 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 113.2MB. Free memory was 87.1MB in the beginning and 87.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:47:38,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 640.95ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 67.6MB in the beginning and 67.7MB in the end (delta: -178.1kB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2022-12-13 11:47:38,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.79ms. Allocated memory is still 136.3MB. Free memory was 67.7MB in the beginning and 53.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 11:47:38,679 INFO L158 Benchmark]: Boogie Preprocessor took 84.34ms. Allocated memory is still 136.3MB. Free memory was 53.1MB in the beginning and 86.0MB in the end (delta: -32.9MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2022-12-13 11:47:38,679 INFO L158 Benchmark]: RCFGBuilder took 1464.94ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 86.0MB in the beginning and 108.4MB in the end (delta: -22.4MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2022-12-13 11:47:38,679 INFO L158 Benchmark]: TraceAbstraction took 330362.21ms. Allocated memory was 163.6MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 107.3MB in the beginning and 915.3MB in the end (delta: -807.9MB). Peak memory consumption was 7.2GB. Max. memory is 16.1GB. [2022-12-13 11:47:38,679 INFO L158 Benchmark]: Witness Printer took 122.51ms. Allocated memory is still 8.0GB. Free memory was 915.3MB in the beginning and 890.7MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 11:47:38,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 113.2MB. Free memory was 87.1MB in the beginning and 87.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 640.95ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 67.6MB in the beginning and 67.7MB in the end (delta: -178.1kB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.79ms. Allocated memory is still 136.3MB. Free memory was 67.7MB in the beginning and 53.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.34ms. Allocated memory is still 136.3MB. Free memory was 53.1MB in the beginning and 86.0MB in the end (delta: -32.9MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1464.94ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 86.0MB in the beginning and 108.4MB in the end (delta: -22.4MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * TraceAbstraction took 330362.21ms. Allocated memory was 163.6MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 107.3MB in the beginning and 915.3MB in the end (delta: -807.9MB). Peak memory consumption was 7.2GB. Max. memory is 16.1GB. * Witness Printer took 122.51ms. Allocated memory is still 8.0GB. Free memory was 915.3MB in the beginning and 890.7MB in the end (delta: 24.6MB). 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: 1549]: 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: 330.3s, OverallIterations: 26, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.2s, AutomataDifference: 29.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 257.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5773 SdHoareTripleChecker+Valid, 15.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5773 mSDsluCounter, 6071 SdHoareTripleChecker+Invalid, 13.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1368 mSDsCounter, 2925 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16533 IncrementalHoareTripleChecker+Invalid, 19458 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2925 mSolverCounterUnsat, 4703 mSDtfsCounter, 16533 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3551 GetRequests, 3498 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=287583occurred in iteration=24, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 23.8s AutomataMinimizationTime, 26 MinimizatonAttempts, 120001 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 1937 NumberOfFragments, 2273 HoareAnnotationTreeSize, 3 FomulaSimplifications, 594 FormulaSimplificationTreeSizeReduction, 173.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 210864 FormulaSimplificationTreeSizeReductionInter, 84.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 11525 NumberOfCodeBlocks, 11525 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 11491 ConstructedInterpolants, 0 QuantifiedInterpolants, 35581 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5903 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 34 InterpolantComputations, 26 PerfectInterpolantSequences, 12321/13016 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: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((a5 == 1 && 2 <= a3) && a26 <= 0) && a12 <= 0) && !(a11 == 1)) || (((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1) && a22 == 1)) || ((((a5 == 1 && a3 <= 0) && a11 == a6) && a11 == 1) && a12 <= 0)) || ((((a26 == 1 && a5 == 1) && a3 <= 1) && a12 <= 0) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a26 == a11) && a27 == 1) && a0 == 1) && a22 == 1)) || ((((a5 == 1 && 2 <= a3) && a11 == a6) && !(a12 == 1)) && a27 <= 0)) || ((((((a15 == 1 && a5 == 1) && a12 == 1) && a26 == a6) && a27 == 1) && !(a11 == 1)) && a12 == a6)) || ((((((((a25 == a12 && a5 == 1) && a12 == 1) && a3 <= 1) && a16 == 1) && a26 <= 0) && a11 == 1) && a6 == 1) && a22 == 1)) || (((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 <= 0) && a27 == 1) && a0 == 1)) || (((((((a25 == a11 && a5 == 1) && a3 <= 0) && a11 == a6) && a11 == 1) && a26 == a6) && a0 == 1) && a12 == a6)) || ((((((((a15 == 1 && a5 == 1) && a3 <= 0) && a16 == 1) && a11 == 1) && a6 == 0) && a26 == a6) && a27 == 1) && a12 == a6)) || (((((a5 == 1 && a6 == 0) && a26 == a6) && a0 == 1) && a12 == a6) && a27 <= 0)) || (((((a5 == 1 && a3 <= 0) && a11 == a6) && a11 == 1) && a26 == a11) && a27 == 1)) || (((((a5 == 1 && a16 == 1) && a6 == 1) && a12 <= 0) && !(a11 == 1)) && a22 == 1)) || (((((((a15 == 1 && a5 == 1) && a3 <= 0) && a11 == a6) && a16 == 1) && a11 == 1) && a26 == a6) && a12 == a6)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && !(a11 == 1))) || (((((((a15 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 1) && a27 == 1) && a0 == 1) && a12 == a6)) || ((((a5 == 1 && 2 <= a3) && a11 == a6) && a11 == 1) && a12 <= 0)) || ((((a26 == 1 && a5 == 1) && a27 == 1) && a0 == 1) && !(a11 == 1))) || ((((a5 == 1 && !(a12 == 1)) && a0 == 1) && !(a11 == 1)) && a27 <= 0)) || (((((a5 == 1 && 2 <= a3) && a11 == a6) && a16 == 1) && a11 == 1) && a0 == 1)) || (((((((a7 <= 0 && a5 == 1) && a16 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && !(a11 == 1)) && a22 == 1)) || ((((a5 == 1 && a3 <= 1) && a6 == 0) && a12 <= 0) && a0 == 1)) || (((a5 == 1 && a12 <= 0) && !(a11 == 1)) && a27 <= 0)) || ((((a5 == 1 && 2 <= a3) && a26 <= 0) && a27 == 1) && !(a11 == 1))) || (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 0) && a26 == a6) && a0 == 1) && a12 == a6)) || ((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 1) && a26 == a11) && a27 == 1) && a0 == 1)) || (((((a5 == 1 && a16 == 1) && a6 == 0) && a12 <= 0) && a0 == 1) && a22 == 1)) || ((((a5 == 1 && a3 <= 0) && a26 <= 0) && a6 == 0) && !(a11 == 1))) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a0 == 1) && !(a11 == 1))) || ((((((a5 == 1 && a11 == a6) && a16 == 1) && a11 == 1) && a12 <= 0) && a22 == 1) && a27 <= 0)) || (((((((a25 == a12 && a5 == 1) && a12 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a6 == 0) && a22 == 1)) || (((((a5 == 1 && a3 <= 0) && a16 == 1) && a12 <= 0) && a27 == 1) && !(a11 == 1))) || (((((((a5 == 1 && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1) && a22 == 1)) || ((((a26 == 1 && a5 == 1) && 2 <= a3) && a27 == 1) && !(a11 == 1))) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a6 == 0)) || ((((((((a7 <= 0 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == a6) && a16 == 1) && a11 == 1) && a27 == 1) && a22 == 1)) || ((((a5 == 1 && 2 <= a3) && !(a12 == 1)) && !(a11 == 1)) && a27 <= 0)) || ((((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a26 == a11) && a26 == a6) && a27 == 1) && a0 == 1) && a12 == a6)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a6 == 0)) || ((((((((a15 == 1 && a5 == 1) && a3 <= 0) && a16 == 1) && a11 == 1) && a6 == 0) && a27 == 1) && a12 == a6) && a22 == 1)) || ((((a5 == 1 && a26 <= 0) && a6 == 0) && a27 == 1) && a0 == 1)) || (((((a5 == 1 && 2 <= a3) && a11 == 1) && a6 == 0) && a26 == a11) && a27 == 1)) || (((a5 == 1 && a12 <= 0) && a0 == 1) && !(a11 == 1))) || ((((a5 == 1 && a26 == a11) && a12 <= 0) && a27 == 1) && a0 == 1)) || ((((((a26 == 1 && a25 == a12) && a5 == 1) && a3 <= 0) && a16 == 1) && a27 == 1) && !(a11 == 1))) || (((((((a15 == 1 && a5 == 1) && a3 <= 0) && a11 == a6) && a11 == 1) && a26 == a6) && a0 == 1) && a12 == a6)) || ((((a5 == 1 && a11 == a6) && !(a12 == 1)) && a0 == 1) && a27 <= 0)) || ((((a5 == 1 && a3 <= 0) && !(a12 == 1)) && !(a11 == 1)) && a27 <= 0)) || ((((((((a15 == 1 && a5 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 0) && a26 == a6) && a12 == a6) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a6 == 0) && a0 == 1)) || (((a5 == 1 && a26 <= 0) && a0 == 1) && !(a11 == 1))) || ((((((a5 == 1 && a12 == 1) && a11 == 1) && a6 == 0) && a26 == a11) && a27 == 1) && a0 == 1)) || ((((((((a7 <= 0 && a5 == 1) && a12 == 1) && a3 <= 0) && a16 == 1) && a6 == 1) && a0 == 1) && !(a11 == 1)) && a22 == 1) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((a5 == 1 && 2 <= a3) && a26 <= 0) && a12 <= 0) && !(a11 == 1)) || (((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1) && a22 == 1)) || ((((a5 == 1 && a3 <= 0) && a11 == a6) && a11 == 1) && a12 <= 0)) || ((((a26 == 1 && a5 == 1) && a3 <= 1) && a12 <= 0) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a26 == a11) && a27 == 1) && a0 == 1) && a22 == 1)) || ((((a5 == 1 && 2 <= a3) && a11 == a6) && !(a12 == 1)) && a27 <= 0)) || ((((((a15 == 1 && a5 == 1) && a12 == 1) && a26 == a6) && a27 == 1) && !(a11 == 1)) && a12 == a6)) || ((((((((a25 == a12 && a5 == 1) && a12 == 1) && a3 <= 1) && a16 == 1) && a26 <= 0) && a11 == 1) && a6 == 1) && a22 == 1)) || (((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 <= 0) && a27 == 1) && a0 == 1)) || (((((((a25 == a11 && a5 == 1) && a3 <= 0) && a11 == a6) && a11 == 1) && a26 == a6) && a0 == 1) && a12 == a6)) || ((((((((a15 == 1 && a5 == 1) && a3 <= 0) && a16 == 1) && a11 == 1) && a6 == 0) && a26 == a6) && a27 == 1) && a12 == a6)) || (((((a5 == 1 && a6 == 0) && a26 == a6) && a0 == 1) && a12 == a6) && a27 <= 0)) || (((((a5 == 1 && a3 <= 0) && a11 == a6) && a11 == 1) && a26 == a11) && a27 == 1)) || (((((a5 == 1 && a16 == 1) && a6 == 1) && a12 <= 0) && !(a11 == 1)) && a22 == 1)) || (((((((a15 == 1 && a5 == 1) && a3 <= 0) && a11 == a6) && a16 == 1) && a11 == 1) && a26 == a6) && a12 == a6)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && !(a11 == 1))) || (((((((a15 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 1) && a27 == 1) && a0 == 1) && a12 == a6)) || ((((a5 == 1 && 2 <= a3) && a11 == a6) && a11 == 1) && a12 <= 0)) || ((((a26 == 1 && a5 == 1) && a27 == 1) && a0 == 1) && !(a11 == 1))) || ((((a5 == 1 && !(a12 == 1)) && a0 == 1) && !(a11 == 1)) && a27 <= 0)) || (((((a5 == 1 && 2 <= a3) && a11 == a6) && a16 == 1) && a11 == 1) && a0 == 1)) || (((((((a7 <= 0 && a5 == 1) && a16 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && !(a11 == 1)) && a22 == 1)) || ((((a5 == 1 && a3 <= 1) && a6 == 0) && a12 <= 0) && a0 == 1)) || (((a5 == 1 && a12 <= 0) && !(a11 == 1)) && a27 <= 0)) || ((((a5 == 1 && 2 <= a3) && a26 <= 0) && a27 == 1) && !(a11 == 1))) || (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 0) && a26 == a6) && a0 == 1) && a12 == a6)) || ((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 1) && a26 == a11) && a27 == 1) && a0 == 1)) || (((((a5 == 1 && a16 == 1) && a6 == 0) && a12 <= 0) && a0 == 1) && a22 == 1)) || ((((a5 == 1 && a3 <= 0) && a26 <= 0) && a6 == 0) && !(a11 == 1))) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a0 == 1) && !(a11 == 1))) || ((((((a5 == 1 && a11 == a6) && a16 == 1) && a11 == 1) && a12 <= 0) && a22 == 1) && a27 <= 0)) || (((((((a25 == a12 && a5 == 1) && a12 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a6 == 0) && a22 == 1)) || (((((a5 == 1 && a3 <= 0) && a16 == 1) && a12 <= 0) && a27 == 1) && !(a11 == 1))) || (((((((a5 == 1 && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1) && a22 == 1)) || ((((a26 == 1 && a5 == 1) && 2 <= a3) && a27 == 1) && !(a11 == 1))) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a6 == 0)) || ((((((((a7 <= 0 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == a6) && a16 == 1) && a11 == 1) && a27 == 1) && a22 == 1)) || ((((a5 == 1 && 2 <= a3) && !(a12 == 1)) && !(a11 == 1)) && a27 <= 0)) || ((((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a26 == a11) && a26 == a6) && a27 == 1) && a0 == 1) && a12 == a6)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a6 == 0)) || ((((((((a15 == 1 && a5 == 1) && a3 <= 0) && a16 == 1) && a11 == 1) && a6 == 0) && a27 == 1) && a12 == a6) && a22 == 1)) || ((((a5 == 1 && a26 <= 0) && a6 == 0) && a27 == 1) && a0 == 1)) || (((((a5 == 1 && 2 <= a3) && a11 == 1) && a6 == 0) && a26 == a11) && a27 == 1)) || (((a5 == 1 && a12 <= 0) && a0 == 1) && !(a11 == 1))) || ((((a5 == 1 && a26 == a11) && a12 <= 0) && a27 == 1) && a0 == 1)) || ((((((a26 == 1 && a25 == a12) && a5 == 1) && a3 <= 0) && a16 == 1) && a27 == 1) && !(a11 == 1))) || (((((((a15 == 1 && a5 == 1) && a3 <= 0) && a11 == a6) && a11 == 1) && a26 == a6) && a0 == 1) && a12 == a6)) || ((((a5 == 1 && a11 == a6) && !(a12 == 1)) && a0 == 1) && a27 <= 0)) || ((((a5 == 1 && a3 <= 0) && !(a12 == 1)) && !(a11 == 1)) && a27 <= 0)) || ((((((((a15 == 1 && a5 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 0) && a26 == a6) && a12 == a6) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a6 == 0) && a0 == 1)) || (((a5 == 1 && a26 <= 0) && a0 == 1) && !(a11 == 1))) || ((((((a5 == 1 && a12 == 1) && a11 == 1) && a6 == 0) && a26 == a11) && a27 == 1) && a0 == 1)) || ((((((((a7 <= 0 && a5 == 1) && a12 == 1) && a3 <= 0) && a16 == 1) && a6 == 1) && a0 == 1) && !(a11 == 1)) && a22 == 1) RESULT: Ultimate proved your program to be correct! [2022-12-13 11:47:38,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99cf97-c4cd-421d-b57b-4e337bdb428d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE