./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg --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 47723c6ee3519babae33fb05d39affc9ea1a3e2f34d2d25026af2b76c6b9cea3 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:07:41,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:07:41,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:07:41,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:07:41,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:07:41,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:07:41,722 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:07:41,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:07:41,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:07:41,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:07:41,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:07:41,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:07:41,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:07:41,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:07:41,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:07:41,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:07:41,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:07:41,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:07:41,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:07:41,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:07:41,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:07:41,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:07:41,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:07:41,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:07:41,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:07:41,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:07:41,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:07:41,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:07:41,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:07:41,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:07:41,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:07:41,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:07:41,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:07:41,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:07:41,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:07:41,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:07:41,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:07:41,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:07:41,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:07:41,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:07:41,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:07:41,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:07:41,796 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:07:41,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:07:41,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:07:41,797 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:07:41,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:07:41,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:07:41,798 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:07:41,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:07:41,799 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:07:41,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:07:41,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:07:41,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:07:41,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:07:41,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:07:41,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:07:41,800 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:07:41,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:07:41,800 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:07:41,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:07:41,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:07:41,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:07:41,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:07:41,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:07:41,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:07:41,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:07:41,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:07:41,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:07:41,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:07:41,802 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:07:41,803 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:07:41,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:07:41,803 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:07:41,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47723c6ee3519babae33fb05d39affc9ea1a3e2f34d2d25026af2b76c6b9cea3 [2021-10-28 09:07:42,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:07:42,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:07:42,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:07:42,114 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:07:42,115 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:07:42,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c [2021-10-28 09:07:42,198 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/data/c6c97099a/4a3ea61252b24f1cb3f0aaa408eb1f6d/FLAG98a42069d [2021-10-28 09:07:42,669 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:07:42,672 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c [2021-10-28 09:07:42,692 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/data/c6c97099a/4a3ea61252b24f1cb3f0aaa408eb1f6d/FLAG98a42069d [2021-10-28 09:07:43,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/data/c6c97099a/4a3ea61252b24f1cb3f0aaa408eb1f6d [2021-10-28 09:07:43,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:07:43,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:07:43,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:07:43,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:07:43,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:07:43,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:07:43" (1/1) ... [2021-10-28 09:07:43,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45f84bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:43, skipping insertion in model container [2021-10-28 09:07:43,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:07:43" (1/1) ... [2021-10-28 09:07:43,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:07:43,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:07:43,324 WARN L228 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_f373f551-31a1-4d3e-a433-21fc07e8e2bb/sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c[44164,44177] [2021-10-28 09:07:43,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:07:43,340 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:07:43,391 WARN L228 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_f373f551-31a1-4d3e-a433-21fc07e8e2bb/sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c[44164,44177] [2021-10-28 09:07:43,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:07:43,407 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:07:43,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:43 WrapperNode [2021-10-28 09:07:43,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:07:43,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:07:43,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:07:43,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:07:43,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:43" (1/1) ... [2021-10-28 09:07:43,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:43" (1/1) ... [2021-10-28 09:07:43,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:07:43,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:07:43,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:07:43,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:07:43,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:43" (1/1) ... [2021-10-28 09:07:43,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:43" (1/1) ... [2021-10-28 09:07:43,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:43" (1/1) ... [2021-10-28 09:07:43,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:43" (1/1) ... [2021-10-28 09:07:43,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:43" (1/1) ... [2021-10-28 09:07:43,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:43" (1/1) ... [2021-10-28 09:07:43,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:43" (1/1) ... [2021-10-28 09:07:43,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:07:43,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:07:43,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:07:43,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:07:43,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:43" (1/1) ... [2021-10-28 09:07:43,562 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:07:43,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:43,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:43,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:07:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:07:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:07:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:07:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:07:43,758 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:07:44,322 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-28 09:07:44,323 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-28 09:07:44,332 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:07:44,333 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 09:07:44,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:44 BoogieIcfgContainer [2021-10-28 09:07:44,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:07:44,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:07:44,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:07:44,340 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:07:44,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:07:43" (1/3) ... [2021-10-28 09:07:44,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8584853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:07:44, skipping insertion in model container [2021-10-28 09:07:44,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:43" (2/3) ... [2021-10-28 09:07:44,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8584853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:07:44, skipping insertion in model container [2021-10-28 09:07:44,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:44" (3/3) ... [2021-10-28 09:07:44,343 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a.BV.c.cil.c [2021-10-28 09:07:44,348 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:07:44,349 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:07:44,394 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:07:44,400 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:07:44,401 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:07:44,421 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:44,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-28 09:07:44,430 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:44,431 INFO L513 BasicCegarLoop]: 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] [2021-10-28 09:07:44,432 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:44,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:44,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1632003015, now seen corresponding path program 1 times [2021-10-28 09:07:44,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:44,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382116467] [2021-10-28 09:07:44,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:44,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:44,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:44,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:44,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382116467] [2021-10-28 09:07:44,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382116467] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:44,690 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:44,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:44,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038033054] [2021-10-28 09:07:44,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:44,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:44,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:44,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:44,728 INFO L87 Difference]: Start difference. First operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 0 states have call successors, (0), 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 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:45,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:45,049 INFO L93 Difference]: Finished difference Result 323 states and 559 transitions. [2021-10-28 09:07:45,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:45,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2021-10-28 09:07:45,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:45,062 INFO L225 Difference]: With dead ends: 323 [2021-10-28 09:07:45,062 INFO L226 Difference]: Without dead ends: 171 [2021-10-28 09:07:45,066 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:07:45,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2021-10-28 09:07:45,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 166. [2021-10-28 09:07:45,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.6424242424242423) internal successors, (271), 165 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) [2021-10-28 09:07:45,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 271 transitions. [2021-10-28 09:07:45,118 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 271 transitions. Word has length 44 [2021-10-28 09:07:45,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:45,118 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 271 transitions. [2021-10-28 09:07:45,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:45,119 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 271 transitions. [2021-10-28 09:07:45,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-28 09:07:45,122 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:45,122 INFO L513 BasicCegarLoop]: 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] [2021-10-28 09:07:45,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:07:45,122 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:45,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:45,123 INFO L85 PathProgramCache]: Analyzing trace with hash -954579415, now seen corresponding path program 1 times [2021-10-28 09:07:45,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:45,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264941777] [2021-10-28 09:07:45,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:45,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:45,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:45,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:45,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264941777] [2021-10-28 09:07:45,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264941777] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:45,204 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:45,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:45,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899454500] [2021-10-28 09:07:45,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:45,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:45,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:45,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:45,208 INFO L87 Difference]: Start difference. First operand 166 states and 271 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:45,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:45,383 INFO L93 Difference]: Finished difference Result 372 states and 616 transitions. [2021-10-28 09:07:45,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:45,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2021-10-28 09:07:45,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:45,392 INFO L225 Difference]: With dead ends: 372 [2021-10-28 09:07:45,393 INFO L226 Difference]: Without dead ends: 212 [2021-10-28 09:07:45,397 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:07:45,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-10-28 09:07:45,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 207. [2021-10-28 09:07:45,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 206 states have (on average 1.6893203883495145) internal successors, (348), 206 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 348 transitions. [2021-10-28 09:07:45,427 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 348 transitions. Word has length 45 [2021-10-28 09:07:45,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:45,428 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 348 transitions. [2021-10-28 09:07:45,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:45,429 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 348 transitions. [2021-10-28 09:07:45,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-28 09:07:45,437 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:45,438 INFO L513 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:45,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:07:45,438 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:45,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:45,440 INFO L85 PathProgramCache]: Analyzing trace with hash -420309214, now seen corresponding path program 1 times [2021-10-28 09:07:45,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:45,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110462189] [2021-10-28 09:07:45,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:45,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:45,599 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:45,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:45,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110462189] [2021-10-28 09:07:45,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110462189] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:45,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:45,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:45,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352464661] [2021-10-28 09:07:45,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:45,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:45,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:45,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:45,603 INFO L87 Difference]: Start difference. First operand 207 states and 348 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:45,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:45,791 INFO L93 Difference]: Finished difference Result 437 states and 742 transitions. [2021-10-28 09:07:45,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:45,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-28 09:07:45,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:45,794 INFO L225 Difference]: With dead ends: 437 [2021-10-28 09:07:45,795 INFO L226 Difference]: Without dead ends: 238 [2021-10-28 09:07:45,796 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:07:45,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2021-10-28 09:07:45,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2021-10-28 09:07:45,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 237 states have (on average 1.7046413502109705) internal successors, (404), 237 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) [2021-10-28 09:07:45,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 404 transitions. [2021-10-28 09:07:45,836 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 404 transitions. Word has length 72 [2021-10-28 09:07:45,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:45,838 INFO L470 AbstractCegarLoop]: Abstraction has 238 states and 404 transitions. [2021-10-28 09:07:45,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:45,838 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 404 transitions. [2021-10-28 09:07:45,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-28 09:07:45,842 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:45,842 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:45,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:07:45,842 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:45,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:45,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1606429448, now seen corresponding path program 1 times [2021-10-28 09:07:45,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:45,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861554410] [2021-10-28 09:07:45,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:45,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:45,939 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 09:07:45,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:45,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861554410] [2021-10-28 09:07:45,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861554410] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:45,940 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:45,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:45,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543941604] [2021-10-28 09:07:45,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:45,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:45,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:45,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:45,943 INFO L87 Difference]: Start difference. First operand 238 states and 404 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:46,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:46,062 INFO L93 Difference]: Finished difference Result 485 states and 824 transitions. [2021-10-28 09:07:46,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:46,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-10-28 09:07:46,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:46,066 INFO L225 Difference]: With dead ends: 485 [2021-10-28 09:07:46,067 INFO L226 Difference]: Without dead ends: 255 [2021-10-28 09:07:46,068 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:07:46,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2021-10-28 09:07:46,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2021-10-28 09:07:46,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 1.6944444444444444) internal successors, (427), 252 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:46,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 427 transitions. [2021-10-28 09:07:46,098 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 427 transitions. Word has length 84 [2021-10-28 09:07:46,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:46,098 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 427 transitions. [2021-10-28 09:07:46,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:46,099 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 427 transitions. [2021-10-28 09:07:46,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-28 09:07:46,100 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:46,100 INFO L513 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:46,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:07:46,101 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:46,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:46,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1610778141, now seen corresponding path program 1 times [2021-10-28 09:07:46,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:46,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088714628] [2021-10-28 09:07:46,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:46,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:46,202 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:46,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:46,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088714628] [2021-10-28 09:07:46,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088714628] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:46,203 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:46,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:46,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237729584] [2021-10-28 09:07:46,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:46,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:46,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:46,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:46,213 INFO L87 Difference]: Start difference. First operand 253 states and 427 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:46,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:46,370 INFO L93 Difference]: Finished difference Result 544 states and 923 transitions. [2021-10-28 09:07:46,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:46,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-10-28 09:07:46,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:46,373 INFO L225 Difference]: With dead ends: 544 [2021-10-28 09:07:46,374 INFO L226 Difference]: Without dead ends: 299 [2021-10-28 09:07:46,374 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:07:46,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-10-28 09:07:46,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 295. [2021-10-28 09:07:46,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 294 states have (on average 1.7040816326530612) internal successors, (501), 294 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:46,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 501 transitions. [2021-10-28 09:07:46,394 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 501 transitions. Word has length 84 [2021-10-28 09:07:46,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:46,395 INFO L470 AbstractCegarLoop]: Abstraction has 295 states and 501 transitions. [2021-10-28 09:07:46,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:46,395 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 501 transitions. [2021-10-28 09:07:46,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-28 09:07:46,398 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:46,398 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:46,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:07:46,399 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:46,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:46,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1470428767, now seen corresponding path program 1 times [2021-10-28 09:07:46,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:46,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275435047] [2021-10-28 09:07:46,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:46,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:46,477 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 09:07:46,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:46,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275435047] [2021-10-28 09:07:46,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275435047] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:46,478 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:46,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:46,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46955728] [2021-10-28 09:07:46,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:46,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:46,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:46,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:46,480 INFO L87 Difference]: Start difference. First operand 295 states and 501 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:46,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:46,592 INFO L93 Difference]: Finished difference Result 584 states and 992 transitions. [2021-10-28 09:07:46,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:46,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-10-28 09:07:46,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:46,601 INFO L225 Difference]: With dead ends: 584 [2021-10-28 09:07:46,602 INFO L226 Difference]: Without dead ends: 297 [2021-10-28 09:07:46,602 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:07:46,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-10-28 09:07:46,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 295. [2021-10-28 09:07:46,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 294 states have (on average 1.6904761904761905) internal successors, (497), 294 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:46,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 497 transitions. [2021-10-28 09:07:46,617 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 497 transitions. Word has length 85 [2021-10-28 09:07:46,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:46,618 INFO L470 AbstractCegarLoop]: Abstraction has 295 states and 497 transitions. [2021-10-28 09:07:46,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:46,619 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 497 transitions. [2021-10-28 09:07:46,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-28 09:07:46,626 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:46,626 INFO L513 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:46,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:07:46,626 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:46,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:46,627 INFO L85 PathProgramCache]: Analyzing trace with hash -564791579, now seen corresponding path program 1 times [2021-10-28 09:07:46,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:46,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703349164] [2021-10-28 09:07:46,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:46,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:46,705 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:46,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:46,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703349164] [2021-10-28 09:07:46,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703349164] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:46,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:46,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:46,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045671377] [2021-10-28 09:07:46,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:46,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:46,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:46,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:46,708 INFO L87 Difference]: Start difference. First operand 295 states and 497 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:46,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:46,875 INFO L93 Difference]: Finished difference Result 586 states and 987 transitions. [2021-10-28 09:07:46,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:46,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-10-28 09:07:46,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:46,879 INFO L225 Difference]: With dead ends: 586 [2021-10-28 09:07:46,879 INFO L226 Difference]: Without dead ends: 297 [2021-10-28 09:07:46,880 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:07:46,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-10-28 09:07:46,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 293. [2021-10-28 09:07:46,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 292 states have (on average 1.6849315068493151) internal successors, (492), 292 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:46,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 492 transitions. [2021-10-28 09:07:46,897 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 492 transitions. Word has length 85 [2021-10-28 09:07:46,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:46,898 INFO L470 AbstractCegarLoop]: Abstraction has 293 states and 492 transitions. [2021-10-28 09:07:46,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:46,898 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 492 transitions. [2021-10-28 09:07:46,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-10-28 09:07:46,900 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:46,900 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 09:07:46,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:07:46,901 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:46,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:46,901 INFO L85 PathProgramCache]: Analyzing trace with hash -378579321, now seen corresponding path program 1 times [2021-10-28 09:07:46,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:46,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914241978] [2021-10-28 09:07:46,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:46,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:46,937 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-28 09:07:46,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:46,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914241978] [2021-10-28 09:07:46,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914241978] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:46,938 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:46,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:46,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71296794] [2021-10-28 09:07:46,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:46,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:46,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:46,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:46,940 INFO L87 Difference]: Start difference. First operand 293 states and 492 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:47,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:47,042 INFO L93 Difference]: Finished difference Result 586 states and 983 transitions. [2021-10-28 09:07:47,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:47,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 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 96 [2021-10-28 09:07:47,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:47,045 INFO L225 Difference]: With dead ends: 586 [2021-10-28 09:07:47,045 INFO L226 Difference]: Without dead ends: 301 [2021-10-28 09:07:47,046 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:07:47,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-10-28 09:07:47,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2021-10-28 09:07:47,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 300 states have (on average 1.6566666666666667) internal successors, (497), 300 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:47,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 497 transitions. [2021-10-28 09:07:47,061 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 497 transitions. Word has length 96 [2021-10-28 09:07:47,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:47,061 INFO L470 AbstractCegarLoop]: Abstraction has 301 states and 497 transitions. [2021-10-28 09:07:47,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:47,062 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 497 transitions. [2021-10-28 09:07:47,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-10-28 09:07:47,063 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:47,063 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:47,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:07:47,064 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:47,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:47,064 INFO L85 PathProgramCache]: Analyzing trace with hash 183697243, now seen corresponding path program 1 times [2021-10-28 09:07:47,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:47,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257054453] [2021-10-28 09:07:47,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:47,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:47,099 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 09:07:47,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:47,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257054453] [2021-10-28 09:07:47,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257054453] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:47,100 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:47,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:47,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338374567] [2021-10-28 09:07:47,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:47,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:47,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:47,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:47,102 INFO L87 Difference]: Start difference. First operand 301 states and 497 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:47,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:47,244 INFO L93 Difference]: Finished difference Result 625 states and 1035 transitions. [2021-10-28 09:07:47,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:47,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-10-28 09:07:47,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:47,249 INFO L225 Difference]: With dead ends: 625 [2021-10-28 09:07:47,253 INFO L226 Difference]: Without dead ends: 332 [2021-10-28 09:07:47,254 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:07:47,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-10-28 09:07:47,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 330. [2021-10-28 09:07:47,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 329 states have (on average 1.6534954407294833) internal successors, (544), 329 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:47,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 544 transitions. [2021-10-28 09:07:47,269 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 544 transitions. Word has length 98 [2021-10-28 09:07:47,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:47,270 INFO L470 AbstractCegarLoop]: Abstraction has 330 states and 544 transitions. [2021-10-28 09:07:47,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:47,270 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 544 transitions. [2021-10-28 09:07:47,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-28 09:07:47,272 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:47,272 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:47,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:07:47,273 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:47,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:47,273 INFO L85 PathProgramCache]: Analyzing trace with hash 156444990, now seen corresponding path program 1 times [2021-10-28 09:07:47,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:47,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385954696] [2021-10-28 09:07:47,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:47,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:47,325 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 09:07:47,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:47,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385954696] [2021-10-28 09:07:47,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385954696] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:47,328 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:47,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:47,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038761576] [2021-10-28 09:07:47,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:47,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:47,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:47,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:47,330 INFO L87 Difference]: Start difference. First operand 330 states and 544 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:47,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:47,461 INFO L93 Difference]: Finished difference Result 686 states and 1135 transitions. [2021-10-28 09:07:47,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:47,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2021-10-28 09:07:47,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:47,465 INFO L225 Difference]: With dead ends: 686 [2021-10-28 09:07:47,465 INFO L226 Difference]: Without dead ends: 364 [2021-10-28 09:07:47,466 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:07:47,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-10-28 09:07:47,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 357. [2021-10-28 09:07:47,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 356 states have (on average 1.646067415730337) internal successors, (586), 356 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:47,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 586 transitions. [2021-10-28 09:07:47,487 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 586 transitions. Word has length 99 [2021-10-28 09:07:47,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:47,489 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 586 transitions. [2021-10-28 09:07:47,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:47,489 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 586 transitions. [2021-10-28 09:07:47,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-28 09:07:47,491 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:47,491 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:47,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 09:07:47,492 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:47,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:47,492 INFO L85 PathProgramCache]: Analyzing trace with hash -2130209566, now seen corresponding path program 1 times [2021-10-28 09:07:47,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:47,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363518778] [2021-10-28 09:07:47,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:47,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:47,537 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 09:07:47,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:47,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363518778] [2021-10-28 09:07:47,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363518778] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:47,538 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:47,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:47,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258409755] [2021-10-28 09:07:47,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:47,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:47,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:47,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:47,542 INFO L87 Difference]: Start difference. First operand 357 states and 586 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:47,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:47,671 INFO L93 Difference]: Finished difference Result 708 states and 1162 transitions. [2021-10-28 09:07:47,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:47,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2021-10-28 09:07:47,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:47,675 INFO L225 Difference]: With dead ends: 708 [2021-10-28 09:07:47,675 INFO L226 Difference]: Without dead ends: 359 [2021-10-28 09:07:47,676 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:07:47,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2021-10-28 09:07:47,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 357. [2021-10-28 09:07:47,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 356 states have (on average 1.6348314606741574) internal successors, (582), 356 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:47,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 582 transitions. [2021-10-28 09:07:47,692 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 582 transitions. Word has length 99 [2021-10-28 09:07:47,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:47,693 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 582 transitions. [2021-10-28 09:07:47,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:47,693 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 582 transitions. [2021-10-28 09:07:47,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-10-28 09:07:47,695 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:47,695 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:47,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 09:07:47,696 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:47,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:47,696 INFO L85 PathProgramCache]: Analyzing trace with hash -417318601, now seen corresponding path program 1 times [2021-10-28 09:07:47,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:47,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261363929] [2021-10-28 09:07:47,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:47,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:47,731 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 09:07:47,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:47,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261363929] [2021-10-28 09:07:47,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261363929] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:47,737 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:47,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:47,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709476920] [2021-10-28 09:07:47,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:47,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:47,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:47,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:47,739 INFO L87 Difference]: Start difference. First operand 357 states and 582 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:47,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:47,868 INFO L93 Difference]: Finished difference Result 713 states and 1164 transitions. [2021-10-28 09:07:47,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:47,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-10-28 09:07:47,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:47,873 INFO L225 Difference]: With dead ends: 713 [2021-10-28 09:07:47,874 INFO L226 Difference]: Without dead ends: 364 [2021-10-28 09:07:47,874 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:07:47,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-10-28 09:07:47,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 357. [2021-10-28 09:07:47,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 356 states have (on average 1.6207865168539326) internal successors, (577), 356 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:47,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 577 transitions. [2021-10-28 09:07:47,892 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 577 transitions. Word has length 100 [2021-10-28 09:07:47,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:47,892 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 577 transitions. [2021-10-28 09:07:47,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:47,892 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 577 transitions. [2021-10-28 09:07:47,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-28 09:07:47,894 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:47,895 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:47,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 09:07:47,895 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:47,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:47,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1321281040, now seen corresponding path program 1 times [2021-10-28 09:07:47,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:47,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438172800] [2021-10-28 09:07:47,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:47,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:47,936 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-28 09:07:47,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:47,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438172800] [2021-10-28 09:07:47,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438172800] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:47,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:47,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:47,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471013455] [2021-10-28 09:07:47,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:47,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:47,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:47,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:47,939 INFO L87 Difference]: Start difference. First operand 357 states and 577 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:48,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:48,062 INFO L93 Difference]: Finished difference Result 731 states and 1183 transitions. [2021-10-28 09:07:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:48,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-10-28 09:07:48,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:48,065 INFO L225 Difference]: With dead ends: 731 [2021-10-28 09:07:48,065 INFO L226 Difference]: Without dead ends: 382 [2021-10-28 09:07:48,066 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:07:48,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-10-28 09:07:48,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2021-10-28 09:07:48,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 377 states have (on average 1.6074270557029178) internal successors, (606), 377 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:48,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 606 transitions. [2021-10-28 09:07:48,085 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 606 transitions. Word has length 105 [2021-10-28 09:07:48,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:48,086 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 606 transitions. [2021-10-28 09:07:48,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:48,086 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 606 transitions. [2021-10-28 09:07:48,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-28 09:07:48,088 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:48,088 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:48,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 09:07:48,089 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:48,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:48,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1276596489, now seen corresponding path program 1 times [2021-10-28 09:07:48,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:48,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748659657] [2021-10-28 09:07:48,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:48,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:48,134 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-28 09:07:48,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:48,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748659657] [2021-10-28 09:07:48,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748659657] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:48,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:48,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:48,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362798257] [2021-10-28 09:07:48,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:48,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:48,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:48,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:48,137 INFO L87 Difference]: Start difference. First operand 378 states and 606 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:48,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:48,259 INFO L93 Difference]: Finished difference Result 752 states and 1206 transitions. [2021-10-28 09:07:48,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:48,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-10-28 09:07:48,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:48,262 INFO L225 Difference]: With dead ends: 752 [2021-10-28 09:07:48,262 INFO L226 Difference]: Without dead ends: 382 [2021-10-28 09:07:48,264 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:07:48,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-10-28 09:07:48,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2021-10-28 09:07:48,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 377 states have (on average 1.5915119363395225) internal successors, (600), 377 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:48,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 600 transitions. [2021-10-28 09:07:48,288 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 600 transitions. Word has length 106 [2021-10-28 09:07:48,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:48,289 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 600 transitions. [2021-10-28 09:07:48,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:48,289 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 600 transitions. [2021-10-28 09:07:48,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-28 09:07:48,291 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:48,291 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2021-10-28 09:07:48,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 09:07:48,292 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:48,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:48,292 INFO L85 PathProgramCache]: Analyzing trace with hash -687746511, now seen corresponding path program 1 times [2021-10-28 09:07:48,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:48,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184965425] [2021-10-28 09:07:48,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:48,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:48,337 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 09:07:48,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:48,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184965425] [2021-10-28 09:07:48,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184965425] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:48,338 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:48,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:48,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289761205] [2021-10-28 09:07:48,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:48,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:48,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:48,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:48,341 INFO L87 Difference]: Start difference. First operand 378 states and 600 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:48,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:48,394 INFO L93 Difference]: Finished difference Result 1072 states and 1706 transitions. [2021-10-28 09:07:48,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:48,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 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 121 [2021-10-28 09:07:48,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:48,399 INFO L225 Difference]: With dead ends: 1072 [2021-10-28 09:07:48,400 INFO L226 Difference]: Without dead ends: 702 [2021-10-28 09:07:48,402 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:07:48,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2021-10-28 09:07:48,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2021-10-28 09:07:48,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 701 states have (on average 1.587731811697575) internal successors, (1113), 701 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:48,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1113 transitions. [2021-10-28 09:07:48,437 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1113 transitions. Word has length 121 [2021-10-28 09:07:48,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:48,438 INFO L470 AbstractCegarLoop]: Abstraction has 702 states and 1113 transitions. [2021-10-28 09:07:48,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:48,438 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1113 transitions. [2021-10-28 09:07:48,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-28 09:07:48,441 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:48,441 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2021-10-28 09:07:48,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 09:07:48,442 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:48,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:48,442 INFO L85 PathProgramCache]: Analyzing trace with hash 209646767, now seen corresponding path program 1 times [2021-10-28 09:07:48,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:48,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21315690] [2021-10-28 09:07:48,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:48,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:48,502 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-10-28 09:07:48,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:48,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21315690] [2021-10-28 09:07:48,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21315690] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:48,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:48,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:48,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605702259] [2021-10-28 09:07:48,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:48,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:48,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:48,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:48,507 INFO L87 Difference]: Start difference. First operand 702 states and 1113 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:48,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:48,563 INFO L93 Difference]: Finished difference Result 1072 states and 1701 transitions. [2021-10-28 09:07:48,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:48,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 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 121 [2021-10-28 09:07:48,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:48,571 INFO L225 Difference]: With dead ends: 1072 [2021-10-28 09:07:48,571 INFO L226 Difference]: Without dead ends: 1070 [2021-10-28 09:07:48,572 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:07:48,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2021-10-28 09:07:48,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1070. [2021-10-28 09:07:48,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 1069 states have (on average 1.5893358278765202) internal successors, (1699), 1069 states have internal predecessors, (1699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:48,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1699 transitions. [2021-10-28 09:07:48,623 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1699 transitions. Word has length 121 [2021-10-28 09:07:48,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:48,623 INFO L470 AbstractCegarLoop]: Abstraction has 1070 states and 1699 transitions. [2021-10-28 09:07:48,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:48,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1699 transitions. [2021-10-28 09:07:48,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-28 09:07:48,627 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:48,627 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:48,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 09:07:48,628 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:48,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:48,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1473242480, now seen corresponding path program 1 times [2021-10-28 09:07:48,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:48,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583323767] [2021-10-28 09:07:48,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:48,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:48,643 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 09:07:48,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1180128449] [2021-10-28 09:07:48,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:48,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:07:48,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:48,646 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:07:48,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:07:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:48,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:07:48,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:49,199 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-28 09:07:49,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:49,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583323767] [2021-10-28 09:07:49,200 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 09:07:49,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180128449] [2021-10-28 09:07:49,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180128449] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:49,200 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:49,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:49,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431424510] [2021-10-28 09:07:49,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:49,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:49,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:49,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:49,202 INFO L87 Difference]: Start difference. First operand 1070 states and 1699 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:49,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:49,300 INFO L93 Difference]: Finished difference Result 2500 states and 3972 transitions. [2021-10-28 09:07:49,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:49,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2021-10-28 09:07:49,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:49,310 INFO L225 Difference]: With dead ends: 2500 [2021-10-28 09:07:49,310 INFO L226 Difference]: Without dead ends: 1438 [2021-10-28 09:07:49,313 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:49,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2021-10-28 09:07:49,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1438. [2021-10-28 09:07:49,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1438 states, 1437 states have (on average 1.5880306193458595) internal successors, (2282), 1437 states have internal predecessors, (2282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:49,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 2282 transitions. [2021-10-28 09:07:49,392 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 2282 transitions. Word has length 122 [2021-10-28 09:07:49,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:49,393 INFO L470 AbstractCegarLoop]: Abstraction has 1438 states and 2282 transitions. [2021-10-28 09:07:49,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:49,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2282 transitions. [2021-10-28 09:07:49,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-10-28 09:07:49,398 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:49,398 INFO L513 BasicCegarLoop]: trace histogram [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, 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] [2021-10-28 09:07:49,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:49,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:07:49,618 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:49,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:49,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1161393041, now seen corresponding path program 1 times [2021-10-28 09:07:49,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:49,619 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567444675] [2021-10-28 09:07:49,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:49,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:49,632 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 09:07:49,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [106904761] [2021-10-28 09:07:49,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:49,632 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:07:49,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:49,633 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:07:49,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 09:07:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:49,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:07:49,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:50,117 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-28 09:07:50,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:50,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567444675] [2021-10-28 09:07:50,118 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 09:07:50,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106904761] [2021-10-28 09:07:50,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106904761] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:50,118 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:50,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:50,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456045274] [2021-10-28 09:07:50,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:50,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:50,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:50,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:50,124 INFO L87 Difference]: Start difference. First operand 1438 states and 2282 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:50,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:50,235 INFO L93 Difference]: Finished difference Result 2868 states and 4555 transitions. [2021-10-28 09:07:50,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:50,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 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 138 [2021-10-28 09:07:50,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:50,248 INFO L225 Difference]: With dead ends: 2868 [2021-10-28 09:07:50,248 INFO L226 Difference]: Without dead ends: 1806 [2021-10-28 09:07:50,250 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:50,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2021-10-28 09:07:50,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1806. [2021-10-28 09:07:50,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1806 states, 1805 states have (on average 1.5878116343490305) internal successors, (2866), 1805 states have internal predecessors, (2866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:50,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2866 transitions. [2021-10-28 09:07:50,338 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2866 transitions. Word has length 138 [2021-10-28 09:07:50,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:50,338 INFO L470 AbstractCegarLoop]: Abstraction has 1806 states and 2866 transitions. [2021-10-28 09:07:50,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:50,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2866 transitions. [2021-10-28 09:07:50,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-10-28 09:07:50,345 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:50,346 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-10-28 09:07:50,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:50,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-10-28 09:07:50,570 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:50,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:50,570 INFO L85 PathProgramCache]: Analyzing trace with hash 230274424, now seen corresponding path program 1 times [2021-10-28 09:07:50,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:50,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694541573] [2021-10-28 09:07:50,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:50,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:50,586 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 09:07:50,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1913468657] [2021-10-28 09:07:50,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:50,587 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:07:50,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:50,588 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:07:50,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 09:07:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:50,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:07:50,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:51,252 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-10-28 09:07:51,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:51,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694541573] [2021-10-28 09:07:51,253 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 09:07:51,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913468657] [2021-10-28 09:07:51,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913468657] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:51,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:51,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:51,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927175020] [2021-10-28 09:07:51,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:51,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:51,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:51,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:51,256 INFO L87 Difference]: Start difference. First operand 1806 states and 2866 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:51,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:51,486 INFO L93 Difference]: Finished difference Result 3649 states and 5775 transitions. [2021-10-28 09:07:51,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:51,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 199 [2021-10-28 09:07:51,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:51,499 INFO L225 Difference]: With dead ends: 3649 [2021-10-28 09:07:51,499 INFO L226 Difference]: Without dead ends: 1851 [2021-10-28 09:07:51,502 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:51,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2021-10-28 09:07:51,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1806. [2021-10-28 09:07:51,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1806 states, 1805 states have (on average 1.5479224376731302) internal successors, (2794), 1805 states have internal predecessors, (2794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:51,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2794 transitions. [2021-10-28 09:07:51,583 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2794 transitions. Word has length 199 [2021-10-28 09:07:51,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:51,584 INFO L470 AbstractCegarLoop]: Abstraction has 1806 states and 2794 transitions. [2021-10-28 09:07:51,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:51,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2794 transitions. [2021-10-28 09:07:51,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-10-28 09:07:51,591 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:51,591 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-10-28 09:07:51,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:51,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:07:51,805 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:51,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:51,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1368505586, now seen corresponding path program 1 times [2021-10-28 09:07:51,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:51,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60616986] [2021-10-28 09:07:51,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:51,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:51,865 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-10-28 09:07:51,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:51,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60616986] [2021-10-28 09:07:51,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60616986] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:51,866 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:51,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:51,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184571256] [2021-10-28 09:07:51,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:51,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:51,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:51,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:51,869 INFO L87 Difference]: Start difference. First operand 1806 states and 2794 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:52,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:52,120 INFO L93 Difference]: Finished difference Result 3666 states and 5648 transitions. [2021-10-28 09:07:52,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:52,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 212 [2021-10-28 09:07:52,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:52,132 INFO L225 Difference]: With dead ends: 3666 [2021-10-28 09:07:52,132 INFO L226 Difference]: Without dead ends: 1868 [2021-10-28 09:07:52,135 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:07:52,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1868 states. [2021-10-28 09:07:52,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1868 to 1806. [2021-10-28 09:07:52,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1806 states, 1805 states have (on average 1.5047091412742382) internal successors, (2716), 1805 states have internal predecessors, (2716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:52,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2716 transitions. [2021-10-28 09:07:52,216 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2716 transitions. Word has length 212 [2021-10-28 09:07:52,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:52,216 INFO L470 AbstractCegarLoop]: Abstraction has 1806 states and 2716 transitions. [2021-10-28 09:07:52,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2716 transitions. [2021-10-28 09:07:52,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-10-28 09:07:52,224 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:52,224 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-10-28 09:07:52,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 09:07:52,224 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:52,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:52,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1759452965, now seen corresponding path program 1 times [2021-10-28 09:07:52,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:52,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726279851] [2021-10-28 09:07:52,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:52,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:52,250 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 09:07:52,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [305047182] [2021-10-28 09:07:52,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:52,251 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:07:52,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:52,252 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:07:52,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 09:07:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:52,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:07:52,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:53,104 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-28 09:07:53,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:53,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726279851] [2021-10-28 09:07:53,105 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 09:07:53,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305047182] [2021-10-28 09:07:53,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305047182] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:53,105 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:53,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:53,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385293293] [2021-10-28 09:07:53,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:53,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:53,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:53,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:53,107 INFO L87 Difference]: Start difference. First operand 1806 states and 2716 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:53,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:53,328 INFO L93 Difference]: Finished difference Result 3844 states and 5780 transitions. [2021-10-28 09:07:53,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:53,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 241 [2021-10-28 09:07:53,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:53,341 INFO L225 Difference]: With dead ends: 3844 [2021-10-28 09:07:53,341 INFO L226 Difference]: Without dead ends: 1921 [2021-10-28 09:07:53,344 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:53,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2021-10-28 09:07:53,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1876. [2021-10-28 09:07:53,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1876 states, 1875 states have (on average 1.4778666666666667) internal successors, (2771), 1875 states have internal predecessors, (2771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:53,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2771 transitions. [2021-10-28 09:07:53,429 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2771 transitions. Word has length 241 [2021-10-28 09:07:53,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:53,429 INFO L470 AbstractCegarLoop]: Abstraction has 1876 states and 2771 transitions. [2021-10-28 09:07:53,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:53,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2771 transitions. [2021-10-28 09:07:53,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-10-28 09:07:53,437 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:53,437 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-10-28 09:07:53,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-10-28 09:07:53,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-10-28 09:07:53,653 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:53,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:53,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1825507112, now seen corresponding path program 1 times [2021-10-28 09:07:53,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:53,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393515600] [2021-10-28 09:07:53,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:53,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:53,682 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 09:07:53,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [696129756] [2021-10-28 09:07:53,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:53,683 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:07:53,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:53,684 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:07:53,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 09:07:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:54,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:07:54,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:54,566 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-10-28 09:07:54,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:54,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393515600] [2021-10-28 09:07:54,567 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 09:07:54,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696129756] [2021-10-28 09:07:54,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696129756] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:54,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:54,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:54,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096841921] [2021-10-28 09:07:54,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:54,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:54,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:54,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:54,570 INFO L87 Difference]: Start difference. First operand 1876 states and 2771 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:54,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:54,808 INFO L93 Difference]: Finished difference Result 3789 states and 5585 transitions. [2021-10-28 09:07:54,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:54,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 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 255 [2021-10-28 09:07:54,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:54,822 INFO L225 Difference]: With dead ends: 3789 [2021-10-28 09:07:54,822 INFO L226 Difference]: Without dead ends: 1921 [2021-10-28 09:07:54,826 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:54,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2021-10-28 09:07:54,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1876. [2021-10-28 09:07:54,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1876 states, 1875 states have (on average 1.4405333333333334) internal successors, (2701), 1875 states have internal predecessors, (2701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:54,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2701 transitions. [2021-10-28 09:07:54,943 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2701 transitions. Word has length 255 [2021-10-28 09:07:54,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:54,943 INFO L470 AbstractCegarLoop]: Abstraction has 1876 states and 2701 transitions. [2021-10-28 09:07:54,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:54,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2701 transitions. [2021-10-28 09:07:54,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-10-28 09:07:54,950 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:54,951 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-10-28 09:07:54,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:55,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-10-28 09:07:55,168 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:55,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:55,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1622703552, now seen corresponding path program 1 times [2021-10-28 09:07:55,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:55,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898988761] [2021-10-28 09:07:55,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:55,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:55,195 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 09:07:55,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1866100806] [2021-10-28 09:07:55,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:55,196 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:07:55,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:55,197 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:07:55,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-28 09:07:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:55,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:07:55,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:56,385 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-10-28 09:07:56,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:56,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898988761] [2021-10-28 09:07:56,386 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 09:07:56,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866100806] [2021-10-28 09:07:56,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866100806] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:56,386 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:56,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:56,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779541811] [2021-10-28 09:07:56,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:56,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:56,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:56,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:56,389 INFO L87 Difference]: Start difference. First operand 1876 states and 2701 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:56,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:56,530 INFO L93 Difference]: Finished difference Result 5592 states and 8059 transitions. [2021-10-28 09:07:56,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:56,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 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 [2021-10-28 09:07:56,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:56,552 INFO L225 Difference]: With dead ends: 5592 [2021-10-28 09:07:56,552 INFO L226 Difference]: Without dead ends: 3724 [2021-10-28 09:07:56,555 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:56,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2021-10-28 09:07:56,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3722. [2021-10-28 09:07:56,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3722 states, 3721 states have (on average 1.4388605213652244) internal successors, (5354), 3721 states have internal predecessors, (5354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:56,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3722 states and 5354 transitions. [2021-10-28 09:07:56,706 INFO L78 Accepts]: Start accepts. Automaton has 3722 states and 5354 transitions. Word has length 269 [2021-10-28 09:07:56,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:56,706 INFO L470 AbstractCegarLoop]: Abstraction has 3722 states and 5354 transitions. [2021-10-28 09:07:56,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:56,707 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 5354 transitions. [2021-10-28 09:07:56,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-10-28 09:07:56,720 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:56,720 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2021-10-28 09:07:56,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:56,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:07:56,946 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:56,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:56,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1812515673, now seen corresponding path program 1 times [2021-10-28 09:07:56,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:56,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425538326] [2021-10-28 09:07:56,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:56,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:57,039 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2021-10-28 09:07:57,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:57,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425538326] [2021-10-28 09:07:57,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425538326] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:57,040 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:57,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:57,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699694798] [2021-10-28 09:07:57,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:57,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:57,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:57,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:57,041 INFO L87 Difference]: Start difference. First operand 3722 states and 5354 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:57,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:57,246 INFO L93 Difference]: Finished difference Result 7581 states and 10901 transitions. [2021-10-28 09:07:57,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:57,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 307 [2021-10-28 09:07:57,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:57,289 INFO L225 Difference]: With dead ends: 7581 [2021-10-28 09:07:57,290 INFO L226 Difference]: Without dead ends: 3867 [2021-10-28 09:07:57,295 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:07:57,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3867 states. [2021-10-28 09:07:57,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3867 to 3837. [2021-10-28 09:07:57,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3837 states, 3836 states have (on average 1.432221063607925) internal successors, (5494), 3836 states have internal predecessors, (5494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:57,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 5494 transitions. [2021-10-28 09:07:57,504 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 5494 transitions. Word has length 307 [2021-10-28 09:07:57,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:57,504 INFO L470 AbstractCegarLoop]: Abstraction has 3837 states and 5494 transitions. [2021-10-28 09:07:57,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:57,505 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 5494 transitions. [2021-10-28 09:07:57,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-10-28 09:07:57,519 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:57,520 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-10-28 09:07:57,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-28 09:07:57,520 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:57,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:57,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1267987889, now seen corresponding path program 1 times [2021-10-28 09:07:57,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:57,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740406572] [2021-10-28 09:07:57,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:57,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:57,554 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 09:07:57,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [412870924] [2021-10-28 09:07:57,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:57,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:07:57,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:57,558 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:07:57,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-28 09:07:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:58,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:07:58,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:58,829 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2021-10-28 09:07:58,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:58,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740406572] [2021-10-28 09:07:58,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 09:07:58,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412870924] [2021-10-28 09:07:58,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412870924] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:58,830 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:58,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:58,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809923745] [2021-10-28 09:07:58,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:58,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:58,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:58,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:58,832 INFO L87 Difference]: Start difference. First operand 3837 states and 5494 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:59,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:59,063 INFO L93 Difference]: Finished difference Result 7666 states and 10976 transitions. [2021-10-28 09:07:59,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:59,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 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 320 [2021-10-28 09:07:59,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:59,070 INFO L225 Difference]: With dead ends: 7666 [2021-10-28 09:07:59,070 INFO L226 Difference]: Without dead ends: 2264 [2021-10-28 09:07:59,077 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:59,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2264 states. [2021-10-28 09:07:59,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2264 to 2264. [2021-10-28 09:07:59,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2264 states, 2263 states have (on average 1.4069818824569156) internal successors, (3184), 2263 states have internal predecessors, (3184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:59,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 3184 transitions. [2021-10-28 09:07:59,154 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 3184 transitions. Word has length 320 [2021-10-28 09:07:59,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:59,155 INFO L470 AbstractCegarLoop]: Abstraction has 2264 states and 3184 transitions. [2021-10-28 09:07:59,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:59,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 3184 transitions. [2021-10-28 09:07:59,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-10-28 09:07:59,164 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:59,164 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2021-10-28 09:07:59,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:59,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:07:59,386 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:59,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:59,386 INFO L85 PathProgramCache]: Analyzing trace with hash 493001237, now seen corresponding path program 1 times [2021-10-28 09:07:59,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:59,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167348149] [2021-10-28 09:07:59,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:59,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:59,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2021-10-28 09:07:59,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:59,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167348149] [2021-10-28 09:07:59,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167348149] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:59,448 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:59,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:59,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401320235] [2021-10-28 09:07:59,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:59,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:59,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:59,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:59,450 INFO L87 Difference]: Start difference. First operand 2264 states and 3184 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:59,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:59,633 INFO L93 Difference]: Finished difference Result 4742 states and 6692 transitions. [2021-10-28 09:07:59,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:59,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 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 327 [2021-10-28 09:07:59,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:59,639 INFO L225 Difference]: With dead ends: 4742 [2021-10-28 09:07:59,639 INFO L226 Difference]: Without dead ends: 2486 [2021-10-28 09:07:59,643 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:07:59,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2486 states. [2021-10-28 09:07:59,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2486 to 2414. [2021-10-28 09:07:59,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 2413 states have (on average 1.3941152092830502) internal successors, (3364), 2413 states have internal predecessors, (3364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:59,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3364 transitions. [2021-10-28 09:07:59,724 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3364 transitions. Word has length 327 [2021-10-28 09:07:59,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:59,724 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 3364 transitions. [2021-10-28 09:07:59,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:59,725 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3364 transitions. [2021-10-28 09:07:59,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-10-28 09:07:59,734 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:59,735 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2021-10-28 09:07:59,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-28 09:07:59,735 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:59,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:59,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1757399063, now seen corresponding path program 1 times [2021-10-28 09:07:59,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:59,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028946893] [2021-10-28 09:07:59,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:59,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:59,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 587 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2021-10-28 09:07:59,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:59,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028946893] [2021-10-28 09:07:59,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028946893] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:59,796 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:59,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:59,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536505925] [2021-10-28 09:07:59,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:59,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:59,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:59,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:59,798 INFO L87 Difference]: Start difference. First operand 2414 states and 3364 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:59,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:59,969 INFO L93 Difference]: Finished difference Result 4862 states and 6788 transitions. [2021-10-28 09:07:59,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:59,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 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 353 [2021-10-28 09:07:59,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:59,975 INFO L225 Difference]: With dead ends: 4862 [2021-10-28 09:07:59,976 INFO L226 Difference]: Without dead ends: 2456 [2021-10-28 09:07:59,979 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:07:59,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2021-10-28 09:08:00,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 2414. [2021-10-28 09:08:00,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 2413 states have (on average 1.3742229589722337) internal successors, (3316), 2413 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:00,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3316 transitions. [2021-10-28 09:08:00,052 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3316 transitions. Word has length 353 [2021-10-28 09:08:00,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:00,053 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 3316 transitions. [2021-10-28 09:08:00,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:00,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3316 transitions. [2021-10-28 09:08:00,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-10-28 09:08:00,060 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:00,061 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-10-28 09:08:00,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-28 09:08:00,062 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:00,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:00,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1876884711, now seen corresponding path program 1 times [2021-10-28 09:08:00,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:00,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340799744] [2021-10-28 09:08:00,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:00,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:00,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-10-28 09:08:00,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:00,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340799744] [2021-10-28 09:08:00,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340799744] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:08:00,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671865684] [2021-10-28 09:08:00,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:00,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:08:00,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:08:00,150 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:08:00,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-28 09:08:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:00,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:08:00,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:08:01,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-10-28 09:08:01,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671865684] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:08:01,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:08:01,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-28 09:08:01,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865156147] [2021-10-28 09:08:01,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:08:01,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:01,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:08:01,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:08:01,604 INFO L87 Difference]: Start difference. First operand 2414 states and 3316 transitions. Second operand has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:01,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:01,976 INFO L93 Difference]: Finished difference Result 6390 states and 8764 transitions. [2021-10-28 09:08:01,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:08:01,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 0 states have call successors, (0), 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 370 [2021-10-28 09:08:01,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:01,984 INFO L225 Difference]: With dead ends: 6390 [2021-10-28 09:08:01,985 INFO L226 Difference]: Without dead ends: 3852 [2021-10-28 09:08:01,989 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:08:01,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3852 states. [2021-10-28 09:08:02,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3852 to 2486. [2021-10-28 09:08:02,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2486 states, 2485 states have (on average 1.3577464788732394) internal successors, (3374), 2485 states have internal predecessors, (3374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:02,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3374 transitions. [2021-10-28 09:08:02,108 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3374 transitions. Word has length 370 [2021-10-28 09:08:02,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:02,109 INFO L470 AbstractCegarLoop]: Abstraction has 2486 states and 3374 transitions. [2021-10-28 09:08:02,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:02,110 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3374 transitions. [2021-10-28 09:08:02,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2021-10-28 09:08:02,116 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:02,117 INFO L513 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 8, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2021-10-28 09:08:02,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:08:02,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-10-28 09:08:02,332 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:02,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:02,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1628763683, now seen corresponding path program 1 times [2021-10-28 09:08:02,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:02,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535695905] [2021-10-28 09:08:02,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:02,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:02,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2015 backedges. 975 proven. 0 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2021-10-28 09:08:02,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:02,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535695905] [2021-10-28 09:08:02,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535695905] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:08:02,417 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:08:02,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:08:02,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234973649] [2021-10-28 09:08:02,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:08:02,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:02,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:08:02,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:08:02,419 INFO L87 Difference]: Start difference. First operand 2486 states and 3374 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:02,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:02,577 INFO L93 Difference]: Finished difference Result 4976 states and 6748 transitions. [2021-10-28 09:08:02,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:08:02,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 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 438 [2021-10-28 09:08:02,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:02,583 INFO L225 Difference]: With dead ends: 4976 [2021-10-28 09:08:02,583 INFO L226 Difference]: Without dead ends: 2498 [2021-10-28 09:08:02,588 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:08:02,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2021-10-28 09:08:02,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2486. [2021-10-28 09:08:02,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2486 states, 2485 states have (on average 1.338430583501006) internal successors, (3326), 2485 states have internal predecessors, (3326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:02,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3326 transitions. [2021-10-28 09:08:02,663 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3326 transitions. Word has length 438 [2021-10-28 09:08:02,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:02,664 INFO L470 AbstractCegarLoop]: Abstraction has 2486 states and 3326 transitions. [2021-10-28 09:08:02,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:02,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3326 transitions. [2021-10-28 09:08:02,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-10-28 09:08:02,671 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:02,673 INFO L513 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 10, 10, 8, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2021-10-28 09:08:02,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-28 09:08:02,673 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:02,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:02,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1752367566, now seen corresponding path program 1 times [2021-10-28 09:08:02,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:02,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403528703] [2021-10-28 09:08:02,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:02,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:02,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2021-10-28 09:08:02,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:02,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403528703] [2021-10-28 09:08:02,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403528703] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:08:02,774 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:08:02,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:08:02,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805587706] [2021-10-28 09:08:02,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:08:02,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:02,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:08:02,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:08:02,776 INFO L87 Difference]: Start difference. First operand 2486 states and 3326 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:02,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:02,942 INFO L93 Difference]: Finished difference Result 5180 states and 6946 transitions. [2021-10-28 09:08:02,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:08:02,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 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 470 [2021-10-28 09:08:02,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:02,948 INFO L225 Difference]: With dead ends: 5180 [2021-10-28 09:08:02,948 INFO L226 Difference]: Without dead ends: 2702 [2021-10-28 09:08:02,952 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:08:02,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2702 states. [2021-10-28 09:08:03,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2702 to 2690. [2021-10-28 09:08:03,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2690 states, 2689 states have (on average 1.3239122350316104) internal successors, (3560), 2689 states have internal predecessors, (3560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:03,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3560 transitions. [2021-10-28 09:08:03,031 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3560 transitions. Word has length 470 [2021-10-28 09:08:03,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:03,032 INFO L470 AbstractCegarLoop]: Abstraction has 2690 states and 3560 transitions. [2021-10-28 09:08:03,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:03,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3560 transitions. [2021-10-28 09:08:03,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2021-10-28 09:08:03,041 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:03,041 INFO L513 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 6, 6, 6, 6, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:08:03,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-28 09:08:03,042 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:03,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:03,042 INFO L85 PathProgramCache]: Analyzing trace with hash -742298620, now seen corresponding path program 1 times [2021-10-28 09:08:03,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:03,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414689304] [2021-10-28 09:08:03,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:03,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:03,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3103 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2021-10-28 09:08:03,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:03,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414689304] [2021-10-28 09:08:03,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414689304] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:08:03,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:08:03,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:08:03,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079738255] [2021-10-28 09:08:03,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:08:03,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:03,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:08:03,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:08:03,162 INFO L87 Difference]: Start difference. First operand 2690 states and 3560 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:03,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:03,363 INFO L93 Difference]: Finished difference Result 5600 states and 7438 transitions. [2021-10-28 09:08:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:08:03,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 532 [2021-10-28 09:08:03,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:03,370 INFO L225 Difference]: With dead ends: 5600 [2021-10-28 09:08:03,370 INFO L226 Difference]: Without dead ends: 2918 [2021-10-28 09:08:03,374 INFO L786 BasicCegarLoop]: 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 [2021-10-28 09:08:03,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2918 states. [2021-10-28 09:08:03,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2918 to 2906. [2021-10-28 09:08:03,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2906 states, 2905 states have (on average 1.3101549053356283) internal successors, (3806), 2905 states have internal predecessors, (3806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:03,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 2906 states and 3806 transitions. [2021-10-28 09:08:03,456 INFO L78 Accepts]: Start accepts. Automaton has 2906 states and 3806 transitions. Word has length 532 [2021-10-28 09:08:03,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:03,457 INFO L470 AbstractCegarLoop]: Abstraction has 2906 states and 3806 transitions. [2021-10-28 09:08:03,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:03,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2906 states and 3806 transitions. [2021-10-28 09:08:03,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2021-10-28 09:08:03,466 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:03,466 INFO L513 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:08:03,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-10-28 09:08:03,467 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:03,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:03,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1835374162, now seen corresponding path program 1 times [2021-10-28 09:08:03,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:03,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614561533] [2021-10-28 09:08:03,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:03,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:03,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-10-28 09:08:03,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:03,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614561533] [2021-10-28 09:08:03,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614561533] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:08:03,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078296544] [2021-10-28 09:08:03,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:03,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:08:03,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:08:03,587 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:08:03,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-28 09:08:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:04,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:08:04,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:08:05,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-10-28 09:08:05,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078296544] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:08:05,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:08:05,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-28 09:08:05,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688561345] [2021-10-28 09:08:05,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:08:05,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:05,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:08:05,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:08:05,775 INFO L87 Difference]: Start difference. First operand 2906 states and 3806 transitions. Second operand has 6 states, 6 states have (on average 45.666666666666664) internal successors, (274), 6 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:05,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:05,986 INFO L93 Difference]: Finished difference Result 4541 states and 5954 transitions. [2021-10-28 09:08:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:08:05,987 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 45.666666666666664) internal successors, (274), 6 states have internal predecessors, (274), 0 states have call successors, (0), 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 598 [2021-10-28 09:08:05,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:05,988 INFO L225 Difference]: With dead ends: 4541 [2021-10-28 09:08:05,988 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:08:05,992 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:08:05,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:08:05,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:08:05,993 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) [2021-10-28 09:08:05,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:08:05,994 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 598 [2021-10-28 09:08:05,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:05,994 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:08:05,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 45.666666666666664) internal successors, (274), 6 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:05,995 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:08:05,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:08:05,998 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:08:06,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:08:06,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:08:06,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:08:06,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:06,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:06,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:06,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:06,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:06,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:06,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:06,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:06,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:06,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:06,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:06,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:06,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:06,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:06,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:06,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:06,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:07,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:07,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:07,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:07,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:07,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:07,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:07,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:07,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:07,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:07,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:07,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:07,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:08:11,679 INFO L853 garLoopResultBuilder]: At program point L399(lines 390 421) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse5 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 09:08:11,679 INFO L853 garLoopResultBuilder]: At program point L168(lines 167 605) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse1 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448))) (or (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse2) (and .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse1 .cse2) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse3 .cse1 .cse2))) [2021-10-28 09:08:11,681 INFO L853 garLoopResultBuilder]: At program point L135(lines 128 618) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse8 .cse9 .cse10))) [2021-10-28 09:08:11,681 INFO L857 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2021-10-28 09:08:11,681 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 635) no Hoare annotation was computed. [2021-10-28 09:08:11,682 INFO L857 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2021-10-28 09:08:11,682 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 407) no Hoare annotation was computed. [2021-10-28 09:08:11,682 INFO L857 garLoopResultBuilder]: For program point L203(lines 203 593) no Hoare annotation was computed. [2021-10-28 09:08:11,682 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 604) no Hoare annotation was computed. [2021-10-28 09:08:11,683 INFO L857 garLoopResultBuilder]: For program point L137(lines 137 615) no Hoare annotation was computed. [2021-10-28 09:08:11,683 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 626) no Hoare annotation was computed. [2021-10-28 09:08:11,684 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 472) no Hoare annotation was computed. [2021-10-28 09:08:11,684 INFO L853 garLoopResultBuilder]: At program point L204(lines 200 594) the Hoare annotation is: (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) [2021-10-28 09:08:11,684 INFO L853 garLoopResultBuilder]: At program point L105(lines 104 626) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) [2021-10-28 09:08:11,684 INFO L857 garLoopResultBuilder]: For program point L502(lines 502 506) no Hoare annotation was computed. [2021-10-28 09:08:11,684 INFO L857 garLoopResultBuilder]: For program point L502-2(lines 211 588) no Hoare annotation was computed. [2021-10-28 09:08:11,684 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 244) no Hoare annotation was computed. [2021-10-28 09:08:11,684 INFO L857 garLoopResultBuilder]: For program point L206(lines 206 592) no Hoare annotation was computed. [2021-10-28 09:08:11,684 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 603) no Hoare annotation was computed. [2021-10-28 09:08:11,685 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 614) no Hoare annotation was computed. [2021-10-28 09:08:11,685 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 625) no Hoare annotation was computed. [2021-10-28 09:08:11,685 INFO L853 garLoopResultBuilder]: At program point L207(lines 206 592) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-10-28 09:08:11,686 INFO L853 garLoopResultBuilder]: At program point L174(lines 170 604) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse9 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse12 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse7 .cse8 .cse9 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse11 .cse12 .cse13))) [2021-10-28 09:08:11,686 INFO L853 garLoopResultBuilder]: At program point L141(lines 137 615) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse7 .cse8))) [2021-10-28 09:08:11,686 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 83) no Hoare annotation was computed. [2021-10-28 09:08:11,686 INFO L857 garLoopResultBuilder]: For program point L274(lines 274 278) no Hoare annotation was computed. [2021-10-28 09:08:11,686 INFO L857 garLoopResultBuilder]: For program point L572(lines 572 582) no Hoare annotation was computed. [2021-10-28 09:08:11,686 INFO L857 garLoopResultBuilder]: For program point L572-1(lines 572 582) no Hoare annotation was computed. [2021-10-28 09:08:11,686 INFO L857 garLoopResultBuilder]: For program point L308(lines 308 312) no Hoare annotation was computed. [2021-10-28 09:08:11,687 INFO L857 garLoopResultBuilder]: For program point L308-2(lines 211 588) no Hoare annotation was computed. [2021-10-28 09:08:11,687 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 602) no Hoare annotation was computed. [2021-10-28 09:08:11,687 INFO L857 garLoopResultBuilder]: For program point L143(lines 143 613) no Hoare annotation was computed. [2021-10-28 09:08:11,687 INFO L857 garLoopResultBuilder]: For program point L110(lines 110 624) no Hoare annotation was computed. [2021-10-28 09:08:11,687 INFO L857 garLoopResultBuilder]: For program point L441-1(lines 441 453) no Hoare annotation was computed. [2021-10-28 09:08:11,687 INFO L853 garLoopResultBuilder]: At program point L210(lines 209 591) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-10-28 09:08:11,687 INFO L857 garLoopResultBuilder]: For program point L78(lines 78 82) no Hoare annotation was computed. [2021-10-28 09:08:11,688 INFO L857 garLoopResultBuilder]: For program point L78-2(lines 75 83) no Hoare annotation was computed. [2021-10-28 09:08:11,689 INFO L860 garLoopResultBuilder]: At program point L673(lines 66 675) the Hoare annotation is: true [2021-10-28 09:08:11,689 INFO L857 garLoopResultBuilder]: For program point L640(lines 640 646) no Hoare annotation was computed. [2021-10-28 09:08:11,689 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 546) no Hoare annotation was computed. [2021-10-28 09:08:11,690 INFO L853 garLoopResultBuilder]: At program point L409(lines 400 420) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse5 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 09:08:11,690 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 347) no Hoare annotation was computed. [2021-10-28 09:08:11,690 INFO L857 garLoopResultBuilder]: For program point L343-2(lines 211 588) no Hoare annotation was computed. [2021-10-28 09:08:11,690 INFO L860 garLoopResultBuilder]: At program point L674(lines 11 676) the Hoare annotation is: true [2021-10-28 09:08:11,690 INFO L857 garLoopResultBuilder]: For program point L575(lines 575 579) no Hoare annotation was computed. [2021-10-28 09:08:11,690 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 601) no Hoare annotation was computed. [2021-10-28 09:08:11,690 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 612) no Hoare annotation was computed. [2021-10-28 09:08:11,690 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 623) no Hoare annotation was computed. [2021-10-28 09:08:11,690 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 449) no Hoare annotation was computed. [2021-10-28 09:08:11,690 INFO L853 garLoopResultBuilder]: At program point L180(lines 176 602) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse9 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse12 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse7 .cse8 .cse9 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse11 .cse12 .cse13))) [2021-10-28 09:08:11,691 INFO L853 garLoopResultBuilder]: At program point L147(lines 143 613) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse8 .cse9 .cse10))) [2021-10-28 09:08:11,691 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 416) no Hoare annotation was computed. [2021-10-28 09:08:11,691 INFO L853 garLoopResultBuilder]: At program point L214(lines 107 625) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse8 .cse10))) [2021-10-28 09:08:11,691 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 516) no Hoare annotation was computed. [2021-10-28 09:08:11,691 INFO L857 garLoopResultBuilder]: For program point L512-2(lines 512 516) no Hoare annotation was computed. [2021-10-28 09:08:11,692 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 600) no Hoare annotation was computed. [2021-10-28 09:08:11,692 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 611) no Hoare annotation was computed. [2021-10-28 09:08:11,692 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 622) no Hoare annotation was computed. [2021-10-28 09:08:11,692 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 484) no Hoare annotation was computed. [2021-10-28 09:08:11,692 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 93) no Hoare annotation was computed. [2021-10-28 09:08:11,692 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 66 675) no Hoare annotation was computed. [2021-10-28 09:08:11,692 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:08:11,692 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 599) no Hoare annotation was computed. [2021-10-28 09:08:11,692 INFO L857 garLoopResultBuilder]: For program point L152(lines 152 610) no Hoare annotation was computed. [2021-10-28 09:08:11,692 INFO L857 garLoopResultBuilder]: For program point L119(lines 119 621) no Hoare annotation was computed. [2021-10-28 09:08:11,693 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-10-28 09:08:11,693 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 382) no Hoare annotation was computed. [2021-10-28 09:08:11,693 INFO L857 garLoopResultBuilder]: For program point L318(lines 318 322) no Hoare annotation was computed. [2021-10-28 09:08:11,694 INFO L857 garLoopResultBuilder]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2021-10-28 09:08:11,694 INFO L857 garLoopResultBuilder]: For program point L219(lines 219 223) no Hoare annotation was computed. [2021-10-28 09:08:11,695 INFO L853 garLoopResultBuilder]: At program point L186(lines 182 600) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse9 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse12 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse7 .cse8 .cse9 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse11 .cse12 .cse13))) [2021-10-28 09:08:11,696 INFO L853 garLoopResultBuilder]: At program point L153(lines 149 611) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse8 .cse9 .cse10))) [2021-10-28 09:08:11,696 INFO L857 garLoopResultBuilder]: For program point L219-2(lines 211 588) no Hoare annotation was computed. [2021-10-28 09:08:11,696 INFO L857 garLoopResultBuilder]: For program point L551(lines 551 555) no Hoare annotation was computed. [2021-10-28 09:08:11,696 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 598) no Hoare annotation was computed. [2021-10-28 09:08:11,696 INFO L857 garLoopResultBuilder]: For program point L155(lines 155 609) no Hoare annotation was computed. [2021-10-28 09:08:11,696 INFO L857 garLoopResultBuilder]: For program point L122(lines 122 620) no Hoare annotation was computed. [2021-10-28 09:08:11,697 INFO L853 garLoopResultBuilder]: At program point L552(lines 66 675) the Hoare annotation is: false [2021-10-28 09:08:11,697 INFO L857 garLoopResultBuilder]: For program point L354(lines 354 381) no Hoare annotation was computed. [2021-10-28 09:08:11,697 INFO L857 garLoopResultBuilder]: For program point L354-1(lines 354 381) no Hoare annotation was computed. [2021-10-28 09:08:11,697 INFO L853 garLoopResultBuilder]: At program point L123(lines 119 621) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse6 .cse8 .cse9))) [2021-10-28 09:08:11,697 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 378) no Hoare annotation was computed. [2021-10-28 09:08:11,698 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:08:11,698 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 268) no Hoare annotation was computed. [2021-10-28 09:08:11,698 INFO L860 garLoopResultBuilder]: At program point L686(lines 677 688) the Hoare annotation is: true [2021-10-28 09:08:11,698 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 262) no Hoare annotation was computed. [2021-10-28 09:08:11,698 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 597) no Hoare annotation was computed. [2021-10-28 09:08:11,698 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 608) no Hoare annotation was computed. [2021-10-28 09:08:11,698 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 619) no Hoare annotation was computed. [2021-10-28 09:08:11,699 INFO L857 garLoopResultBuilder]: For program point L522(lines 522 527) no Hoare annotation was computed. [2021-10-28 09:08:11,699 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 421) no Hoare annotation was computed. [2021-10-28 09:08:11,699 INFO L857 garLoopResultBuilder]: For program point L291(lines 291 295) no Hoare annotation was computed. [2021-10-28 09:08:11,699 INFO L857 garLoopResultBuilder]: For program point L291-2(lines 211 588) no Hoare annotation was computed. [2021-10-28 09:08:11,699 INFO L853 garLoopResultBuilder]: At program point L192(lines 188 598) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse9 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse12 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse11 .cse12 .cse13))) [2021-10-28 09:08:11,700 INFO L853 garLoopResultBuilder]: At program point L159(lines 155 609) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse5 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 09:08:11,700 INFO L853 garLoopResultBuilder]: At program point L126(lines 125 619) the Hoare annotation is: (and (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) [2021-10-28 09:08:11,700 INFO L853 garLoopResultBuilder]: At program point L589(lines 101 657) the Hoare annotation is: (let ((.cse3 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse12 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse3 .cse11 .cse12) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse0 .cse8) (and .cse1 .cse2 .cse13) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 .cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) [2021-10-28 09:08:11,700 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 560) no Hoare annotation was computed. [2021-10-28 09:08:11,701 INFO L857 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-10-28 09:08:11,701 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 377) no Hoare annotation was computed. [2021-10-28 09:08:11,701 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:08:11,701 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 495) no Hoare annotation was computed. [2021-10-28 09:08:11,702 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2021-10-28 09:08:11,702 INFO L857 garLoopResultBuilder]: For program point L359-2(lines 358 375) no Hoare annotation was computed. [2021-10-28 09:08:11,702 INFO L857 garLoopResultBuilder]: For program point L194(lines 194 596) no Hoare annotation was computed. [2021-10-28 09:08:11,702 INFO L857 garLoopResultBuilder]: For program point L161(lines 161 607) no Hoare annotation was computed. [2021-10-28 09:08:11,702 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 618) no Hoare annotation was computed. [2021-10-28 09:08:11,702 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 463) no Hoare annotation was computed. [2021-10-28 09:08:11,703 INFO L857 garLoopResultBuilder]: For program point L327-1(lines 327 336) no Hoare annotation was computed. [2021-10-28 09:08:11,703 INFO L860 garLoopResultBuilder]: At program point L658(lines 100 659) the Hoare annotation is: true [2021-10-28 09:08:11,703 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 595) no Hoare annotation was computed. [2021-10-28 09:08:11,703 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 606) no Hoare annotation was computed. [2021-10-28 09:08:11,703 INFO L857 garLoopResultBuilder]: For program point L131(lines 131 617) no Hoare annotation was computed. [2021-10-28 09:08:11,703 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:08:11,704 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 669) no Hoare annotation was computed. [2021-10-28 09:08:11,704 INFO L857 garLoopResultBuilder]: For program point L627(lines 627 655) no Hoare annotation was computed. [2021-10-28 09:08:11,704 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 248) no Hoare annotation was computed. [2021-10-28 09:08:11,704 INFO L853 garLoopResultBuilder]: At program point L198(lines 194 596) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse8 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse10 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse7 .cse8 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 09:08:11,704 INFO L853 garLoopResultBuilder]: At program point L165(lines 161 607) the Hoare annotation is: (let ((.cse3 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse4 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse10 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse7 .cse8 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse9 .cse10 .cse11))) [2021-10-28 09:08:11,705 INFO L857 garLoopResultBuilder]: For program point L231-2(lines 211 588) no Hoare annotation was computed. [2021-10-28 09:08:11,705 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 652) no Hoare annotation was computed. [2021-10-28 09:08:11,705 INFO L857 garLoopResultBuilder]: For program point L562(lines 562 566) no Hoare annotation was computed. [2021-10-28 09:08:11,705 INFO L857 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2021-10-28 09:08:11,705 INFO L857 garLoopResultBuilder]: For program point L562-2(lines 562 566) no Hoare annotation was computed. [2021-10-28 09:08:11,705 INFO L857 garLoopResultBuilder]: For program point L529-2(lines 211 588) no Hoare annotation was computed. [2021-10-28 09:08:11,706 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 335) no Hoare annotation was computed. [2021-10-28 09:08:11,706 INFO L857 garLoopResultBuilder]: For program point L662(lines 662 666) no Hoare annotation was computed. [2021-10-28 09:08:11,706 INFO L857 garLoopResultBuilder]: For program point L629(lines 629 638) no Hoare annotation was computed. [2021-10-28 09:08:11,706 INFO L857 garLoopResultBuilder]: For program point L662-2(lines 662 666) no Hoare annotation was computed. [2021-10-28 09:08:11,706 INFO L857 garLoopResultBuilder]: For program point L629-2(lines 628 650) no Hoare annotation was computed. [2021-10-28 09:08:11,706 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 475) no Hoare annotation was computed. [2021-10-28 09:08:11,707 INFO L857 garLoopResultBuilder]: For program point L431(lines 431 435) no Hoare annotation was computed. [2021-10-28 09:08:11,707 INFO L853 garLoopResultBuilder]: At program point L365(lines 348 383) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse8 .cse9 .cse10))) [2021-10-28 09:08:11,707 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 238) no Hoare annotation was computed. [2021-10-28 09:08:11,707 INFO L857 garLoopResultBuilder]: For program point L200(lines 200 594) no Hoare annotation was computed. [2021-10-28 09:08:11,707 INFO L857 garLoopResultBuilder]: For program point L167(lines 167 605) no Hoare annotation was computed. [2021-10-28 09:08:11,708 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 616) no Hoare annotation was computed. [2021-10-28 09:08:11,708 INFO L853 garLoopResultBuilder]: At program point L101-2(lines 101 657) the Hoare annotation is: (let ((.cse3 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse12 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse3 .cse11 .cse12) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse0 .cse8) (and .cse1 .cse2 .cse13) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 .cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) [2021-10-28 09:08:11,712 INFO L731 BasicCegarLoop]: Path program 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] [2021-10-28 09:08:11,714 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:08:11,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:08:11 BoogieIcfgContainer [2021-10-28 09:08:11,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:08:11,791 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:08:11,791 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:08:11,791 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:08:11,792 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:44" (3/4) ... [2021-10-28 09:08:11,795 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:08:11,821 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 09:08:11,823 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 09:08:11,824 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:08:11,825 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:08:11,968 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:08:11,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:08:11,970 INFO L168 Benchmark]: Toolchain (without parser) took 28945.56 ms. Allocated memory was 121.6 MB in the beginning and 339.7 MB in the end (delta: 218.1 MB). Free memory was 87.1 MB in the beginning and 122.5 MB in the end (delta: -35.4 MB). Peak memory consumption was 182.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:08:11,970 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 83.9 MB. Free memory was 54.8 MB in the beginning and 54.8 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:08:11,971 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.99 ms. Allocated memory is still 121.6 MB. Free memory was 86.6 MB in the beginning and 93.5 MB in the end (delta: -6.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:08:11,972 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.02 ms. Allocated memory is still 121.6 MB. Free memory was 93.5 MB in the beginning and 90.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:08:11,972 INFO L168 Benchmark]: Boogie Preprocessor took 60.76 ms. Allocated memory is still 121.6 MB. Free memory was 90.7 MB in the beginning and 88.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:08:11,972 INFO L168 Benchmark]: RCFGBuilder took 797.27 ms. Allocated memory is still 121.6 MB. Free memory was 88.6 MB in the beginning and 60.6 MB in the end (delta: 28.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:08:11,973 INFO L168 Benchmark]: TraceAbstraction took 27452.68 ms. Allocated memory was 121.6 MB in the beginning and 339.7 MB in the end (delta: 218.1 MB). Free memory was 59.9 MB in the beginning and 134.0 MB in the end (delta: -74.1 MB). Peak memory consumption was 219.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:08:11,973 INFO L168 Benchmark]: Witness Printer took 177.18 ms. Allocated memory is still 339.7 MB. Free memory was 134.0 MB in the beginning and 122.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:08:11,979 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 83.9 MB. Free memory was 54.8 MB in the beginning and 54.8 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 381.99 ms. Allocated memory is still 121.6 MB. Free memory was 86.6 MB in the beginning and 93.5 MB in the end (delta: -6.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.02 ms. Allocated memory is still 121.6 MB. Free memory was 93.5 MB in the beginning and 90.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.76 ms. Allocated memory is still 121.6 MB. Free memory was 90.7 MB in the beginning and 88.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 797.27 ms. Allocated memory is still 121.6 MB. Free memory was 88.6 MB in the beginning and 60.6 MB in the end (delta: 28.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 27452.68 ms. Allocated memory was 121.6 MB in the beginning and 339.7 MB in the end (delta: 218.1 MB). Free memory was 59.9 MB in the beginning and 134.0 MB in the end (delta: -74.1 MB). Peak memory consumption was 219.1 MB. Max. memory is 16.1 GB. * Witness Printer took 177.18 ms. Allocated memory is still 339.7 MB. Free memory was 134.0 MB in the beginning and 122.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * 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: 669]: 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, 138 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.3s, OverallIterations: 32, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 5562 SDtfs, 3449 SDslu, 2617 SDs, 0 SdLazy, 3158 SolverSat, 909 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2584 GetRequests, 2546 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3837occurred in iteration=24, InterpolantAutomatonStates: 99, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 32 MinimizatonAttempts, 1793 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 367 NumberOfFragments, 2871 HoareAnnotationTreeSize, 29 FomulaSimplifications, 43280 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 29 FomulaSimplificationsInter, 7373 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 7563 NumberOfCodeBlocks, 7563 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 7529 ConstructedInterpolants, 0 QuantifiedInterpolants, 10294 SizeOfPredicates, 2 NumberOfNonLiveVariables, 4304 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 34 InterpolantComputations, 30 PerfectInterpolantSequences, 25706/25810 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: 176]: Loop Invariant Derived loop invariant: (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((s__s3__tmp__next_state___0 <= 8576 && 8448 <= s__state) && s__state <= 8448) && blastFlag <= 1) || (((s__s3__tmp__next_state___0 <= 8576 && 2 == blastFlag) && 8448 <= s__state) && s__state <= 8448)) || (((blastFlag <= 3 && !(s__hit == 0)) && 8448 <= s__state) && s__state <= 8448)) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(8560 == s__state)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (8672 <= s__state && blastFlag <= 3) && !(12292 == s__state) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((((((blastFlag <= 3 && !(s__hit == 0)) || ((s__state <= 8576 && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8561)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state)) || ((8672 <= s__state && blastFlag <= 3) && s__state <= 8672)) || ((s__state <= 8576 && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 1)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8561)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448)) || s__state <= 3 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((((!(s__state == 8480) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) || (((((((((((((!(s__state == 8480) && !(s__state == 8672)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((!(s__state == 8480) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((((((blastFlag <= 3 && !(s__hit == 0)) || ((s__state <= 8576 && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8561)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state)) || ((8672 <= s__state && blastFlag <= 3) && s__state <= 8672)) || ((s__state <= 8576 && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 1)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8561)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448)) || s__state <= 3 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (((!(s__state == 8673) && !(s__state == 8672)) && 8672 <= s__state) && blastFlag <= 3) && !(s__hit == 0) - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((((((!(8497 == s__state) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) || ((((((((((!(8497 == s__state) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((((!(8497 == s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && !(8448 == s__state)) && blastFlag <= 1)) || ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8673)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag <= 3) && s__state <= 8672) && !(s__state == 8657)) && !(8560 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag <= 1) RESULT: Ultimate proved your program to be correct! [2021-10-28 09:08:12,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f373f551-31a1-4d3e-a433-21fc07e8e2bb/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...