./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label32.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label32.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/bin/uautomizer --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 dbf0abbbc7d7e5309ef818c9ca26935df7f2c780 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:56:27,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:56:27,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:56:27,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:56:27,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:56:27,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:56:27,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:56:27,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:56:27,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:56:27,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:56:27,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:56:27,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:56:27,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:56:27,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:56:27,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:56:27,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:56:27,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:56:27,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:56:27,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:56:27,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:56:27,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:56:27,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:56:27,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:56:27,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:56:27,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:56:27,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:56:27,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:56:27,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:56:27,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:56:27,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:56:27,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:56:27,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:56:27,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:56:27,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:56:27,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:56:27,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:56:27,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:56:27,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:56:27,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:56:27,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:56:27,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:56:27,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 18:56:27,731 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:56:27,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:56:27,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:56:27,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:56:27,735 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:56:27,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:56:27,735 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:56:27,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:56:27,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:56:27,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:56:27,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:56:27,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:56:27,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:56:27,738 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:56:27,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:56:27,739 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:56:27,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:56:27,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:56:27,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:56:27,740 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:56:27,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:56:27,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:56:27,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:56:27,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:56:27,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:56:27,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:56:27,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:56:27,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:56:27,743 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:56:27,743 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-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf0abbbc7d7e5309ef818c9ca26935df7f2c780 [2020-11-29 18:56:28,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:56:28,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:56:28,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:56:28,161 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:56:28,163 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:56:28,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label32.c [2020-11-29 18:56:28,252 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/bin/uautomizer/data/cbdab65e1/89a95a202e7b4419a506a8e4af2f3267/FLAG99695eae5 [2020-11-29 18:56:29,110 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:56:29,111 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/sv-benchmarks/c/eca-rers2012/Problem03_label32.c [2020-11-29 18:56:29,145 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/bin/uautomizer/data/cbdab65e1/89a95a202e7b4419a506a8e4af2f3267/FLAG99695eae5 [2020-11-29 18:56:29,191 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/bin/uautomizer/data/cbdab65e1/89a95a202e7b4419a506a8e4af2f3267 [2020-11-29 18:56:29,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:56:29,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:56:29,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:56:29,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:56:29,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:56:29,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:56:29" (1/1) ... [2020-11-29 18:56:29,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f80947f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:29, skipping insertion in model container [2020-11-29 18:56:29,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:56:29" (1/1) ... [2020-11-29 18:56:29,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:56:29,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:56:30,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:56:30,261 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:56:30,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:56:30,610 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:56:30,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:30 WrapperNode [2020-11-29 18:56:30,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:56:30,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:56:30,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:56:30,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:56:30,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:30" (1/1) ... [2020-11-29 18:56:30,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:30" (1/1) ... [2020-11-29 18:56:30,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:56:30,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:56:30,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:56:30,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:56:30,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:30" (1/1) ... [2020-11-29 18:56:30,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:30" (1/1) ... [2020-11-29 18:56:30,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:30" (1/1) ... [2020-11-29 18:56:30,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:30" (1/1) ... [2020-11-29 18:56:31,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:30" (1/1) ... [2020-11-29 18:56:31,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:30" (1/1) ... [2020-11-29 18:56:31,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:30" (1/1) ... [2020-11-29 18:56:31,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:56:31,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:56:31,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:56:31,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:56:31,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:56:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:56:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:56:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:56:31,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:56:33,830 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:56:33,833 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 18:56:33,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:56:33 BoogieIcfgContainer [2020-11-29 18:56:33,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:56:33,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:56:33,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:56:33,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:56:33,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:56:29" (1/3) ... [2020-11-29 18:56:33,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9fee3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:56:33, skipping insertion in model container [2020-11-29 18:56:33,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:30" (2/3) ... [2020-11-29 18:56:33,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9fee3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:56:33, skipping insertion in model container [2020-11-29 18:56:33,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:56:33" (3/3) ... [2020-11-29 18:56:33,851 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label32.c [2020-11-29 18:56:33,868 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:56:33,874 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 18:56:33,890 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 18:56:33,938 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:56:33,940 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:56:33,940 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:56:33,940 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:56:33,940 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:56:33,941 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:56:33,941 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:56:33,941 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:56:33,977 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2020-11-29 18:56:34,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-11-29 18:56:34,016 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:56:34,017 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:56:34,018 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:56:34,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:56:34,025 INFO L82 PathProgramCache]: Analyzing trace with hash -570388181, now seen corresponding path program 1 times [2020-11-29 18:56:34,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:56:34,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701089671] [2020-11-29 18:56:34,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:56:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:34,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:56:34,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701089671] [2020-11-29 18:56:34,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:56:34,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:56:34,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495170045] [2020-11-29 18:56:34,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:56:34,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:56:34,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:56:34,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:56:34,994 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 3 states. [2020-11-29 18:56:37,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:56:37,111 INFO L93 Difference]: Finished difference Result 858 states and 1499 transitions. [2020-11-29 18:56:37,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:56:37,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-11-29 18:56:37,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:56:37,135 INFO L225 Difference]: With dead ends: 858 [2020-11-29 18:56:37,135 INFO L226 Difference]: Without dead ends: 462 [2020-11-29 18:56:37,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:56:37,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2020-11-29 18:56:37,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 460. [2020-11-29 18:56:37,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2020-11-29 18:56:37,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 706 transitions. [2020-11-29 18:56:37,269 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 706 transitions. Word has length 189 [2020-11-29 18:56:37,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:56:37,273 INFO L481 AbstractCegarLoop]: Abstraction has 460 states and 706 transitions. [2020-11-29 18:56:37,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:56:37,274 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 706 transitions. [2020-11-29 18:56:37,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-11-29 18:56:37,288 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:56:37,288 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:56:37,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:56:37,288 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:56:37,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:56:37,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1408951978, now seen corresponding path program 1 times [2020-11-29 18:56:37,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:56:37,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434188332] [2020-11-29 18:56:37,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:56:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:37,473 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:56:37,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434188332] [2020-11-29 18:56:37,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:56:37,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:56:37,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743262352] [2020-11-29 18:56:37,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:56:37,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:56:37,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:56:37,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:56:37,482 INFO L87 Difference]: Start difference. First operand 460 states and 706 transitions. Second operand 3 states. [2020-11-29 18:56:39,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:56:39,025 INFO L93 Difference]: Finished difference Result 1344 states and 2079 transitions. [2020-11-29 18:56:39,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:56:39,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2020-11-29 18:56:39,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:56:39,039 INFO L225 Difference]: With dead ends: 1344 [2020-11-29 18:56:39,039 INFO L226 Difference]: Without dead ends: 886 [2020-11-29 18:56:39,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:56:39,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-11-29 18:56:39,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 870. [2020-11-29 18:56:39,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 870 states. [2020-11-29 18:56:39,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1315 transitions. [2020-11-29 18:56:39,118 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1315 transitions. Word has length 197 [2020-11-29 18:56:39,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:56:39,119 INFO L481 AbstractCegarLoop]: Abstraction has 870 states and 1315 transitions. [2020-11-29 18:56:39,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:56:39,119 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1315 transitions. [2020-11-29 18:56:39,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-11-29 18:56:39,124 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:56:39,125 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:56:39,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 18:56:39,125 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:56:39,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:56:39,127 INFO L82 PathProgramCache]: Analyzing trace with hash 274330525, now seen corresponding path program 1 times [2020-11-29 18:56:39,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:56:39,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097611788] [2020-11-29 18:56:39,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:56:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:40,034 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 18:56:40,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097611788] [2020-11-29 18:56:40,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:56:40,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:56:40,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415248946] [2020-11-29 18:56:40,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:56:40,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:56:40,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:56:40,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:56:40,045 INFO L87 Difference]: Start difference. First operand 870 states and 1315 transitions. Second operand 4 states. [2020-11-29 18:56:41,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:56:41,836 INFO L93 Difference]: Finished difference Result 1884 states and 2886 transitions. [2020-11-29 18:56:41,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:56:41,838 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 204 [2020-11-29 18:56:41,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:56:41,848 INFO L225 Difference]: With dead ends: 1884 [2020-11-29 18:56:41,849 INFO L226 Difference]: Without dead ends: 842 [2020-11-29 18:56:41,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:56:41,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2020-11-29 18:56:41,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2020-11-29 18:56:41,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 842 states. [2020-11-29 18:56:41,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1148 transitions. [2020-11-29 18:56:41,904 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1148 transitions. Word has length 204 [2020-11-29 18:56:41,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:56:41,905 INFO L481 AbstractCegarLoop]: Abstraction has 842 states and 1148 transitions. [2020-11-29 18:56:41,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:56:41,905 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1148 transitions. [2020-11-29 18:56:41,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-11-29 18:56:41,910 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:56:41,910 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:56:41,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 18:56:41,911 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:56:41,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:56:41,911 INFO L82 PathProgramCache]: Analyzing trace with hash 787758054, now seen corresponding path program 1 times [2020-11-29 18:56:41,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:56:41,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431224932] [2020-11-29 18:56:41,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:56:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:42,108 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:56:42,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431224932] [2020-11-29 18:56:42,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:56:42,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:56:42,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053442525] [2020-11-29 18:56:42,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:56:42,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:56:42,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:56:42,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:56:42,113 INFO L87 Difference]: Start difference. First operand 842 states and 1148 transitions. Second operand 3 states. [2020-11-29 18:56:43,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:56:43,512 INFO L93 Difference]: Finished difference Result 2504 states and 3420 transitions. [2020-11-29 18:56:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:56:43,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2020-11-29 18:56:43,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:56:43,525 INFO L225 Difference]: With dead ends: 2504 [2020-11-29 18:56:43,526 INFO L226 Difference]: Without dead ends: 1664 [2020-11-29 18:56:43,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:56:43,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2020-11-29 18:56:43,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1663. [2020-11-29 18:56:43,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1663 states. [2020-11-29 18:56:43,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1663 states and 2201 transitions. [2020-11-29 18:56:43,599 INFO L78 Accepts]: Start accepts. Automaton has 1663 states and 2201 transitions. Word has length 212 [2020-11-29 18:56:43,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:56:43,599 INFO L481 AbstractCegarLoop]: Abstraction has 1663 states and 2201 transitions. [2020-11-29 18:56:43,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:56:43,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 2201 transitions. [2020-11-29 18:56:43,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-11-29 18:56:43,607 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:56:43,608 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:56:43,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 18:56:43,609 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:56:43,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:56:43,609 INFO L82 PathProgramCache]: Analyzing trace with hash -296495238, now seen corresponding path program 1 times [2020-11-29 18:56:43,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:56:43,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626051696] [2020-11-29 18:56:43,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:56:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:44,484 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:56:44,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626051696] [2020-11-29 18:56:44,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:56:44,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:56:44,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881976723] [2020-11-29 18:56:44,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:56:44,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:56:44,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:56:44,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:56:44,487 INFO L87 Difference]: Start difference. First operand 1663 states and 2201 transitions. Second operand 4 states. [2020-11-29 18:56:46,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:56:46,641 INFO L93 Difference]: Finished difference Result 4323 states and 5738 transitions. [2020-11-29 18:56:46,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:56:46,642 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 220 [2020-11-29 18:56:46,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:56:46,659 INFO L225 Difference]: With dead ends: 4323 [2020-11-29 18:56:46,659 INFO L226 Difference]: Without dead ends: 2488 [2020-11-29 18:56:46,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:56:46,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2488 states. [2020-11-29 18:56:46,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2488 to 2487. [2020-11-29 18:56:46,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2487 states. [2020-11-29 18:56:46,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2487 states and 3250 transitions. [2020-11-29 18:56:46,734 INFO L78 Accepts]: Start accepts. Automaton has 2487 states and 3250 transitions. Word has length 220 [2020-11-29 18:56:46,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:56:46,734 INFO L481 AbstractCegarLoop]: Abstraction has 2487 states and 3250 transitions. [2020-11-29 18:56:46,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:56:46,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 3250 transitions. [2020-11-29 18:56:46,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-11-29 18:56:46,744 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:56:46,744 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:56:46,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 18:56:46,745 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:56:46,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:56:46,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1529537281, now seen corresponding path program 1 times [2020-11-29 18:56:46,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:56:46,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126574546] [2020-11-29 18:56:46,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:56:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:46,915 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 18:56:46,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126574546] [2020-11-29 18:56:46,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:56:46,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:56:46,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820199499] [2020-11-29 18:56:46,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:56:46,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:56:46,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:56:46,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:56:46,924 INFO L87 Difference]: Start difference. First operand 2487 states and 3250 transitions. Second operand 3 states. [2020-11-29 18:56:48,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:56:48,242 INFO L93 Difference]: Finished difference Result 6628 states and 8636 transitions. [2020-11-29 18:56:48,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:56:48,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2020-11-29 18:56:48,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:56:48,271 INFO L225 Difference]: With dead ends: 6628 [2020-11-29 18:56:48,271 INFO L226 Difference]: Without dead ends: 4143 [2020-11-29 18:56:48,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:56:48,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4143 states. [2020-11-29 18:56:48,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4143 to 4140. [2020-11-29 18:56:48,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4140 states. [2020-11-29 18:56:48,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4140 states to 4140 states and 5365 transitions. [2020-11-29 18:56:48,405 INFO L78 Accepts]: Start accepts. Automaton has 4140 states and 5365 transitions. Word has length 222 [2020-11-29 18:56:48,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:56:48,410 INFO L481 AbstractCegarLoop]: Abstraction has 4140 states and 5365 transitions. [2020-11-29 18:56:48,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:56:48,411 INFO L276 IsEmpty]: Start isEmpty. Operand 4140 states and 5365 transitions. [2020-11-29 18:56:48,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-11-29 18:56:48,424 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:56:48,424 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:56:48,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 18:56:48,425 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:56:48,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:56:48,426 INFO L82 PathProgramCache]: Analyzing trace with hash -12457689, now seen corresponding path program 1 times [2020-11-29 18:56:48,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:56:48,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475753400] [2020-11-29 18:56:48,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:56:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:48,667 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:56:48,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475753400] [2020-11-29 18:56:48,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951646019] [2020-11-29 18:56:48,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:56:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:48,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:56:48,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:56:49,264 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-29 18:56:49,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:56:49,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 18:56:49,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448920188] [2020-11-29 18:56:49,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:56:49,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:56:49,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:56:49,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:56:49,269 INFO L87 Difference]: Start difference. First operand 4140 states and 5365 transitions. Second operand 3 states. [2020-11-29 18:56:50,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:56:50,731 INFO L93 Difference]: Finished difference Result 8287 states and 10744 transitions. [2020-11-29 18:56:50,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:56:50,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2020-11-29 18:56:50,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:56:50,758 INFO L225 Difference]: With dead ends: 8287 [2020-11-29 18:56:50,759 INFO L226 Difference]: Without dead ends: 4149 [2020-11-29 18:56:50,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:56:50,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4149 states. [2020-11-29 18:56:50,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4149 to 4140. [2020-11-29 18:56:50,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4140 states. [2020-11-29 18:56:50,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4140 states to 4140 states and 5322 transitions. [2020-11-29 18:56:50,889 INFO L78 Accepts]: Start accepts. Automaton has 4140 states and 5322 transitions. Word has length 227 [2020-11-29 18:56:50,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:56:50,889 INFO L481 AbstractCegarLoop]: Abstraction has 4140 states and 5322 transitions. [2020-11-29 18:56:50,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:56:50,890 INFO L276 IsEmpty]: Start isEmpty. Operand 4140 states and 5322 transitions. [2020-11-29 18:56:50,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-11-29 18:56:50,905 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:56:50,906 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:56:51,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-29 18:56:51,133 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:56:51,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:56:51,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1266910207, now seen corresponding path program 1 times [2020-11-29 18:56:51,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:56:51,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041619606] [2020-11-29 18:56:51,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:56:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:51,353 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 18:56:51,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041619606] [2020-11-29 18:56:51,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365692041] [2020-11-29 18:56:51,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:56:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:51,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:56:51,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:56:51,820 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 18:56:51,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:56:51,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 18:56:51,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417888100] [2020-11-29 18:56:51,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:56:51,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:56:51,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:56:51,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:56:51,824 INFO L87 Difference]: Start difference. First operand 4140 states and 5322 transitions. Second operand 3 states. [2020-11-29 18:56:53,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:56:53,079 INFO L93 Difference]: Finished difference Result 12344 states and 15868 transitions. [2020-11-29 18:56:53,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:56:53,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2020-11-29 18:56:53,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:56:53,131 INFO L225 Difference]: With dead ends: 12344 [2020-11-29 18:56:53,132 INFO L226 Difference]: Without dead ends: 8206 [2020-11-29 18:56:53,140 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:56:53,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8206 states. [2020-11-29 18:56:53,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8206 to 8200. [2020-11-29 18:56:53,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8200 states. [2020-11-29 18:56:53,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8200 states to 8200 states and 9645 transitions. [2020-11-29 18:56:53,387 INFO L78 Accepts]: Start accepts. Automaton has 8200 states and 9645 transitions. Word has length 233 [2020-11-29 18:56:53,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:56:53,387 INFO L481 AbstractCegarLoop]: Abstraction has 8200 states and 9645 transitions. [2020-11-29 18:56:53,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:56:53,388 INFO L276 IsEmpty]: Start isEmpty. Operand 8200 states and 9645 transitions. [2020-11-29 18:56:53,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-11-29 18:56:53,411 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:56:53,413 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:56:53,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:56:53,641 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:56:53,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:56:53,641 INFO L82 PathProgramCache]: Analyzing trace with hash 205992449, now seen corresponding path program 1 times [2020-11-29 18:56:53,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:56:53,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291653621] [2020-11-29 18:56:53,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:56:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:53,890 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 59 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:56:53,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291653621] [2020-11-29 18:56:53,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216711804] [2020-11-29 18:56:53,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:56:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:54,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:56:54,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:56:54,231 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 18:56:54,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:56:54,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-29 18:56:54,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696682589] [2020-11-29 18:56:54,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:56:54,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:56:54,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:56:54,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:56:54,235 INFO L87 Difference]: Start difference. First operand 8200 states and 9645 transitions. Second operand 3 states. [2020-11-29 18:56:55,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:56:55,501 INFO L93 Difference]: Finished difference Result 20464 states and 24514 transitions. [2020-11-29 18:56:55,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:56:55,502 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2020-11-29 18:56:55,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:56:55,572 INFO L225 Difference]: With dead ends: 20464 [2020-11-29 18:56:55,573 INFO L226 Difference]: Without dead ends: 12266 [2020-11-29 18:56:55,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:56:55,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12266 states. [2020-11-29 18:56:55,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12266 to 12260. [2020-11-29 18:56:55,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12260 states. [2020-11-29 18:56:55,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12260 states to 12260 states and 14080 transitions. [2020-11-29 18:56:55,916 INFO L78 Accepts]: Start accepts. Automaton has 12260 states and 14080 transitions. Word has length 243 [2020-11-29 18:56:55,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:56:55,917 INFO L481 AbstractCegarLoop]: Abstraction has 12260 states and 14080 transitions. [2020-11-29 18:56:55,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:56:55,917 INFO L276 IsEmpty]: Start isEmpty. Operand 12260 states and 14080 transitions. [2020-11-29 18:56:55,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-11-29 18:56:55,947 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:56:55,948 INFO L422 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:56:56,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:56:56,169 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:56:56,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:56:56,170 INFO L82 PathProgramCache]: Analyzing trace with hash 729726468, now seen corresponding path program 1 times [2020-11-29 18:56:56,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:56:56,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532862697] [2020-11-29 18:56:56,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:56:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:56,394 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:56:56,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532862697] [2020-11-29 18:56:56,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:56:56,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:56:56,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214955920] [2020-11-29 18:56:56,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:56:56,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:56:56,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:56:56,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:56:56,400 INFO L87 Difference]: Start difference. First operand 12260 states and 14080 transitions. Second operand 3 states. [2020-11-29 18:56:57,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:56:57,885 INFO L93 Difference]: Finished difference Result 32872 states and 37889 transitions. [2020-11-29 18:56:57,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:56:57,887 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 264 [2020-11-29 18:56:57,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:56:57,932 INFO L225 Difference]: With dead ends: 32872 [2020-11-29 18:56:57,932 INFO L226 Difference]: Without dead ends: 20614 [2020-11-29 18:56:57,949 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:56:57,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20614 states. [2020-11-29 18:56:58,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20614 to 18356. [2020-11-29 18:56:58,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18356 states. [2020-11-29 18:56:58,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18356 states to 18356 states and 21300 transitions. [2020-11-29 18:56:58,305 INFO L78 Accepts]: Start accepts. Automaton has 18356 states and 21300 transitions. Word has length 264 [2020-11-29 18:56:58,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:56:58,305 INFO L481 AbstractCegarLoop]: Abstraction has 18356 states and 21300 transitions. [2020-11-29 18:56:58,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:56:58,306 INFO L276 IsEmpty]: Start isEmpty. Operand 18356 states and 21300 transitions. [2020-11-29 18:56:58,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-11-29 18:56:58,348 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:56:58,349 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:56:58,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 18:56:58,350 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:56:58,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:56:58,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1179044900, now seen corresponding path program 1 times [2020-11-29 18:56:58,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:56:58,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913315733] [2020-11-29 18:56:58,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:56:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:58,938 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 88 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 18:56:58,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913315733] [2020-11-29 18:56:58,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223064277] [2020-11-29 18:56:58,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:56:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:59,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:56:59,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:56:59,392 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 18:56:59,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:56:59,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 18:56:59,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035172201] [2020-11-29 18:56:59,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:56:59,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:56:59,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:56:59,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:56:59,395 INFO L87 Difference]: Start difference. First operand 18356 states and 21300 transitions. Second operand 3 states. [2020-11-29 18:57:00,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:57:00,666 INFO L93 Difference]: Finished difference Result 36513 states and 42394 transitions. [2020-11-29 18:57:00,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:57:00,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2020-11-29 18:57:00,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:57:00,713 INFO L225 Difference]: With dead ends: 36513 [2020-11-29 18:57:00,713 INFO L226 Difference]: Without dead ends: 18362 [2020-11-29 18:57:00,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:57:00,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18362 states. [2020-11-29 18:57:01,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18362 to 17747. [2020-11-29 18:57:01,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17747 states. [2020-11-29 18:57:01,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17747 states to 17747 states and 20376 transitions. [2020-11-29 18:57:01,117 INFO L78 Accepts]: Start accepts. Automaton has 17747 states and 20376 transitions. Word has length 275 [2020-11-29 18:57:01,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:57:01,118 INFO L481 AbstractCegarLoop]: Abstraction has 17747 states and 20376 transitions. [2020-11-29 18:57:01,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:57:01,118 INFO L276 IsEmpty]: Start isEmpty. Operand 17747 states and 20376 transitions. [2020-11-29 18:57:01,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-11-29 18:57:01,164 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:57:01,165 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:57:01,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:57:01,393 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:57:01,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:57:01,393 INFO L82 PathProgramCache]: Analyzing trace with hash -17999459, now seen corresponding path program 1 times [2020-11-29 18:57:01,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:57:01,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747259178] [2020-11-29 18:57:01,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:57:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:57:01,912 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 125 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-11-29 18:57:01,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747259178] [2020-11-29 18:57:01,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556558463] [2020-11-29 18:57:01,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:57:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:57:02,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:57:02,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:57:02,416 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-11-29 18:57:02,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:57:02,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 18:57:02,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938182452] [2020-11-29 18:57:02,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:57:02,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:57:02,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:57:02,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:57:02,424 INFO L87 Difference]: Start difference. First operand 17747 states and 20376 transitions. Second operand 3 states. [2020-11-29 18:57:03,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:57:03,912 INFO L93 Difference]: Finished difference Result 48750 states and 56141 transitions. [2020-11-29 18:57:03,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:57:03,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 311 [2020-11-29 18:57:03,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:57:03,983 INFO L225 Difference]: With dead ends: 48750 [2020-11-29 18:57:03,983 INFO L226 Difference]: Without dead ends: 31412 [2020-11-29 18:57:04,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:57:04,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31412 states. [2020-11-29 18:57:04,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31412 to 30584. [2020-11-29 18:57:04,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30584 states. [2020-11-29 18:57:04,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30584 states to 30584 states and 34664 transitions. [2020-11-29 18:57:04,615 INFO L78 Accepts]: Start accepts. Automaton has 30584 states and 34664 transitions. Word has length 311 [2020-11-29 18:57:04,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:57:04,616 INFO L481 AbstractCegarLoop]: Abstraction has 30584 states and 34664 transitions. [2020-11-29 18:57:04,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:57:04,616 INFO L276 IsEmpty]: Start isEmpty. Operand 30584 states and 34664 transitions. [2020-11-29 18:57:04,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-11-29 18:57:04,701 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:57:04,702 INFO L422 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:57:04,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-29 18:57:04,929 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:57:04,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:57:04,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1765625295, now seen corresponding path program 1 times [2020-11-29 18:57:04,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:57:04,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083826329] [2020-11-29 18:57:04,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:57:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:57:05,592 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:57:05,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083826329] [2020-11-29 18:57:05,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:57:05,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:57:05,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585528221] [2020-11-29 18:57:05,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:57:05,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:57:05,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:57:05,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:57:05,597 INFO L87 Difference]: Start difference. First operand 30584 states and 34664 transitions. Second operand 3 states. [2020-11-29 18:57:06,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:57:06,950 INFO L93 Difference]: Finished difference Result 56059 states and 63401 transitions. [2020-11-29 18:57:06,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:57:06,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2020-11-29 18:57:06,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:57:06,952 INFO L225 Difference]: With dead ends: 56059 [2020-11-29 18:57:06,952 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 18:57:06,967 INFO L677 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 [2020-11-29 18:57:06,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 18:57:06,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 18:57:06,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 18:57:06,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 18:57:06,968 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 327 [2020-11-29 18:57:06,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:57:06,969 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:57:06,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:57:06,969 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:57:06,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:57:06,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 18:57:06,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 18:57:07,125 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2020-11-29 18:57:07,248 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2020-11-29 18:57:07,625 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-11-29 18:57:08,012 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-11-29 18:57:08,016 INFO L274 CegarLoopResult]: For program point L1621(line 1621) no Hoare annotation was computed. [2020-11-29 18:57:08,016 INFO L274 CegarLoopResult]: For program point L1555(line 1555) no Hoare annotation was computed. [2020-11-29 18:57:08,016 INFO L274 CegarLoopResult]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,016 INFO L274 CegarLoopResult]: For program point L1489(line 1489) no Hoare annotation was computed. [2020-11-29 18:57:08,016 INFO L274 CegarLoopResult]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,016 INFO L274 CegarLoopResult]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,017 INFO L274 CegarLoopResult]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,017 INFO L274 CegarLoopResult]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,017 INFO L274 CegarLoopResult]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,017 INFO L274 CegarLoopResult]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,017 INFO L274 CegarLoopResult]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,017 INFO L274 CegarLoopResult]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,017 INFO L274 CegarLoopResult]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,017 INFO L274 CegarLoopResult]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,017 INFO L274 CegarLoopResult]: For program point L1624(line 1624) no Hoare annotation was computed. [2020-11-29 18:57:08,017 INFO L274 CegarLoopResult]: For program point L1558(line 1558) no Hoare annotation was computed. [2020-11-29 18:57:08,017 INFO L274 CegarLoopResult]: For program point L1492(line 1492) no Hoare annotation was computed. [2020-11-29 18:57:08,017 INFO L274 CegarLoopResult]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,018 INFO L274 CegarLoopResult]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2020-11-29 18:57:08,018 INFO L274 CegarLoopResult]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2020-11-29 18:57:08,018 INFO L274 CegarLoopResult]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,018 INFO L274 CegarLoopResult]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,018 INFO L274 CegarLoopResult]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,018 INFO L274 CegarLoopResult]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,018 INFO L274 CegarLoopResult]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,018 INFO L274 CegarLoopResult]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,018 INFO L274 CegarLoopResult]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,018 INFO L274 CegarLoopResult]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,018 INFO L274 CegarLoopResult]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,018 INFO L274 CegarLoopResult]: For program point L1627(line 1627) no Hoare annotation was computed. [2020-11-29 18:57:08,019 INFO L274 CegarLoopResult]: For program point L1561(line 1561) no Hoare annotation was computed. [2020-11-29 18:57:08,019 INFO L274 CegarLoopResult]: For program point L1495(line 1495) no Hoare annotation was computed. [2020-11-29 18:57:08,019 INFO L274 CegarLoopResult]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,019 INFO L274 CegarLoopResult]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,019 INFO L274 CegarLoopResult]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,019 INFO L274 CegarLoopResult]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,019 INFO L274 CegarLoopResult]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,019 INFO L274 CegarLoopResult]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,019 INFO L274 CegarLoopResult]: For program point L1630(line 1630) no Hoare annotation was computed. [2020-11-29 18:57:08,019 INFO L274 CegarLoopResult]: For program point L1564(line 1564) no Hoare annotation was computed. [2020-11-29 18:57:08,019 INFO L274 CegarLoopResult]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,020 INFO L274 CegarLoopResult]: For program point L1498(line 1498) no Hoare annotation was computed. [2020-11-29 18:57:08,020 INFO L274 CegarLoopResult]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,020 INFO L274 CegarLoopResult]: For program point L508(lines 508 521) no Hoare annotation was computed. [2020-11-29 18:57:08,020 INFO L274 CegarLoopResult]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2020-11-29 18:57:08,020 INFO L274 CegarLoopResult]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,020 INFO L274 CegarLoopResult]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,020 INFO L274 CegarLoopResult]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,020 INFO L274 CegarLoopResult]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,020 INFO L274 CegarLoopResult]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,020 INFO L274 CegarLoopResult]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,020 INFO L274 CegarLoopResult]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,020 INFO L274 CegarLoopResult]: For program point L1633(line 1633) no Hoare annotation was computed. [2020-11-29 18:57:08,021 INFO L274 CegarLoopResult]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,021 INFO L274 CegarLoopResult]: For program point L1567(line 1567) no Hoare annotation was computed. [2020-11-29 18:57:08,021 INFO L274 CegarLoopResult]: For program point L1501(line 1501) no Hoare annotation was computed. [2020-11-29 18:57:08,021 INFO L274 CegarLoopResult]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,021 INFO L274 CegarLoopResult]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,021 INFO L274 CegarLoopResult]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,021 INFO L274 CegarLoopResult]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,021 INFO L274 CegarLoopResult]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2020-11-29 18:57:08,021 INFO L274 CegarLoopResult]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2020-11-29 18:57:08,021 INFO L274 CegarLoopResult]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,021 INFO L274 CegarLoopResult]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,021 INFO L274 CegarLoopResult]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,022 INFO L274 CegarLoopResult]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,022 INFO L274 CegarLoopResult]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,022 INFO L274 CegarLoopResult]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,022 INFO L274 CegarLoopResult]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,022 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,022 INFO L274 CegarLoopResult]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,022 INFO L274 CegarLoopResult]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,022 INFO L274 CegarLoopResult]: For program point L1636(line 1636) no Hoare annotation was computed. [2020-11-29 18:57:08,022 INFO L274 CegarLoopResult]: For program point L1570(line 1570) no Hoare annotation was computed. [2020-11-29 18:57:08,022 INFO L274 CegarLoopResult]: For program point L1504(line 1504) no Hoare annotation was computed. [2020-11-29 18:57:08,023 INFO L274 CegarLoopResult]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,023 INFO L274 CegarLoopResult]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,023 INFO L274 CegarLoopResult]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,023 INFO L274 CegarLoopResult]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,023 INFO L274 CegarLoopResult]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,023 INFO L274 CegarLoopResult]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,023 INFO L274 CegarLoopResult]: For program point L1639(line 1639) no Hoare annotation was computed. [2020-11-29 18:57:08,023 INFO L274 CegarLoopResult]: For program point L1573(line 1573) no Hoare annotation was computed. [2020-11-29 18:57:08,023 INFO L274 CegarLoopResult]: For program point L1507(line 1507) no Hoare annotation was computed. [2020-11-29 18:57:08,024 INFO L274 CegarLoopResult]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,024 INFO L274 CegarLoopResult]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,024 INFO L274 CegarLoopResult]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,024 INFO L274 CegarLoopResult]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,024 INFO L274 CegarLoopResult]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,024 INFO L274 CegarLoopResult]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,028 INFO L274 CegarLoopResult]: For program point L1642(line 1642) no Hoare annotation was computed. [2020-11-29 18:57:08,028 INFO L274 CegarLoopResult]: For program point L1576(line 1576) no Hoare annotation was computed. [2020-11-29 18:57:08,028 INFO L274 CegarLoopResult]: For program point L1510(line 1510) no Hoare annotation was computed. [2020-11-29 18:57:08,029 INFO L274 CegarLoopResult]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,029 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,029 INFO L274 CegarLoopResult]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,029 INFO L274 CegarLoopResult]: For program point L388(lines 388 405) no Hoare annotation was computed. [2020-11-29 18:57:08,029 INFO L274 CegarLoopResult]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,029 INFO L274 CegarLoopResult]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2020-11-29 18:57:08,030 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 18:57:08,030 INFO L274 CegarLoopResult]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,030 INFO L274 CegarLoopResult]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,031 INFO L274 CegarLoopResult]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2020-11-29 18:57:08,031 INFO L274 CegarLoopResult]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2020-11-29 18:57:08,032 INFO L274 CegarLoopResult]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,032 INFO L274 CegarLoopResult]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,032 INFO L274 CegarLoopResult]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,032 INFO L274 CegarLoopResult]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,032 INFO L274 CegarLoopResult]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,032 INFO L274 CegarLoopResult]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,033 INFO L274 CegarLoopResult]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,033 INFO L274 CegarLoopResult]: For program point L720(lines 720 741) no Hoare annotation was computed. [2020-11-29 18:57:08,033 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2020-11-29 18:57:08,033 INFO L274 CegarLoopResult]: For program point L1645(line 1645) no Hoare annotation was computed. [2020-11-29 18:57:08,033 INFO L274 CegarLoopResult]: For program point L1579(line 1579) no Hoare annotation was computed. [2020-11-29 18:57:08,033 INFO L274 CegarLoopResult]: For program point L1513(line 1513) no Hoare annotation was computed. [2020-11-29 18:57:08,034 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,034 INFO L274 CegarLoopResult]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,034 INFO L274 CegarLoopResult]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,034 INFO L274 CegarLoopResult]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,035 INFO L274 CegarLoopResult]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,035 INFO L274 CegarLoopResult]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,035 INFO L274 CegarLoopResult]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,035 INFO L274 CegarLoopResult]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,035 INFO L274 CegarLoopResult]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,036 INFO L274 CegarLoopResult]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,036 INFO L274 CegarLoopResult]: For program point L1648(line 1648) no Hoare annotation was computed. [2020-11-29 18:57:08,036 INFO L274 CegarLoopResult]: For program point L1582(line 1582) no Hoare annotation was computed. [2020-11-29 18:57:08,036 INFO L274 CegarLoopResult]: For program point L1516(line 1516) no Hoare annotation was computed. [2020-11-29 18:57:08,036 INFO L274 CegarLoopResult]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,036 INFO L274 CegarLoopResult]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,036 INFO L274 CegarLoopResult]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,037 INFO L274 CegarLoopResult]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,037 INFO L274 CegarLoopResult]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,037 INFO L274 CegarLoopResult]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,037 INFO L274 CegarLoopResult]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,037 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,037 INFO L274 CegarLoopResult]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,038 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 18:57:08,038 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 18:57:08,038 INFO L274 CegarLoopResult]: For program point L1651(line 1651) no Hoare annotation was computed. [2020-11-29 18:57:08,038 INFO L274 CegarLoopResult]: For program point L1585(line 1585) no Hoare annotation was computed. [2020-11-29 18:57:08,039 INFO L274 CegarLoopResult]: For program point L1519(line 1519) no Hoare annotation was computed. [2020-11-29 18:57:08,039 INFO L274 CegarLoopResult]: For program point L66(lines 66 81) no Hoare annotation was computed. [2020-11-29 18:57:08,039 INFO L274 CegarLoopResult]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2020-11-29 18:57:08,039 INFO L274 CegarLoopResult]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,039 INFO L274 CegarLoopResult]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,039 INFO L274 CegarLoopResult]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,040 INFO L274 CegarLoopResult]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,040 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,040 INFO L274 CegarLoopResult]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,040 INFO L274 CegarLoopResult]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,040 INFO L274 CegarLoopResult]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,040 INFO L274 CegarLoopResult]: For program point L1654(line 1654) no Hoare annotation was computed. [2020-11-29 18:57:08,041 INFO L274 CegarLoopResult]: For program point L1588(line 1588) no Hoare annotation was computed. [2020-11-29 18:57:08,041 INFO L274 CegarLoopResult]: For program point L1522(line 1522) no Hoare annotation was computed. [2020-11-29 18:57:08,041 INFO L274 CegarLoopResult]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,041 INFO L274 CegarLoopResult]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,041 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,042 INFO L274 CegarLoopResult]: For program point L928(lines 928 945) no Hoare annotation was computed. [2020-11-29 18:57:08,042 INFO L274 CegarLoopResult]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2020-11-29 18:57:08,042 INFO L274 CegarLoopResult]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,042 INFO L274 CegarLoopResult]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,042 INFO L274 CegarLoopResult]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,042 INFO L274 CegarLoopResult]: For program point L202(lines 202 221) no Hoare annotation was computed. [2020-11-29 18:57:08,043 INFO L274 CegarLoopResult]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,043 INFO L274 CegarLoopResult]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2020-11-29 18:57:08,043 INFO L274 CegarLoopResult]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,043 INFO L274 CegarLoopResult]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2020-11-29 18:57:08,043 INFO L274 CegarLoopResult]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,043 INFO L274 CegarLoopResult]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,044 INFO L274 CegarLoopResult]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2020-11-29 18:57:08,044 INFO L274 CegarLoopResult]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2020-11-29 18:57:08,044 INFO L274 CegarLoopResult]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2020-11-29 18:57:08,044 INFO L274 CegarLoopResult]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2020-11-29 18:57:08,044 INFO L274 CegarLoopResult]: For program point L1657(line 1657) no Hoare annotation was computed. [2020-11-29 18:57:08,044 INFO L274 CegarLoopResult]: For program point L1591(line 1591) no Hoare annotation was computed. [2020-11-29 18:57:08,045 INFO L274 CegarLoopResult]: For program point L1525(line 1525) no Hoare annotation was computed. [2020-11-29 18:57:08,045 INFO L274 CegarLoopResult]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,045 INFO L274 CegarLoopResult]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,045 INFO L274 CegarLoopResult]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,047 INFO L270 CegarLoopResult]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse2 (<= ~a27~0 0)) (.cse1 (<= ~a12~0 0)) (.cse6 (= ~a26~0 ~a11~0)) (.cse4 (= ~a12~0 1)) (.cse0 (= ~a5~0 1)) (.cse5 (= ~a27~0 1)) (.cse3 (= ~a18~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse3 (<= ~a3~0 0)) (and .cse4 .cse0 .cse5 .cse3 .cse6 (= ~a15~0 1)) (and .cse4 .cse0 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse3 (= ~a11~0 0)) (and .cse0 .cse5 .cse1 .cse3) (and .cse4 .cse0 .cse5 .cse3 .cse6 (<= ~a6~0 0)) (and .cse4 .cse0 .cse5 (<= 2 ~a3~0) .cse3))) [2020-11-29 18:57:08,048 INFO L274 CegarLoopResult]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,048 INFO L274 CegarLoopResult]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,048 INFO L274 CegarLoopResult]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,048 INFO L274 CegarLoopResult]: For program point L1594(line 1594) no Hoare annotation was computed. [2020-11-29 18:57:08,049 INFO L274 CegarLoopResult]: For program point L1528(line 1528) no Hoare annotation was computed. [2020-11-29 18:57:08,049 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,049 INFO L274 CegarLoopResult]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,049 INFO L274 CegarLoopResult]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,049 INFO L277 CegarLoopResult]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2020-11-29 18:57:08,049 INFO L274 CegarLoopResult]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,050 INFO L274 CegarLoopResult]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,050 INFO L274 CegarLoopResult]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,050 INFO L274 CegarLoopResult]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,050 INFO L274 CegarLoopResult]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,050 INFO L274 CegarLoopResult]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,051 INFO L274 CegarLoopResult]: For program point L1597(line 1597) no Hoare annotation was computed. [2020-11-29 18:57:08,051 INFO L274 CegarLoopResult]: For program point L1531(line 1531) no Hoare annotation was computed. [2020-11-29 18:57:08,051 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 18:57:08,051 INFO L274 CegarLoopResult]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,051 INFO L274 CegarLoopResult]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,051 INFO L274 CegarLoopResult]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,051 INFO L274 CegarLoopResult]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,052 INFO L274 CegarLoopResult]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,052 INFO L274 CegarLoopResult]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,052 INFO L274 CegarLoopResult]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,052 INFO L274 CegarLoopResult]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,052 INFO L274 CegarLoopResult]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,052 INFO L274 CegarLoopResult]: For program point L1600(line 1600) no Hoare annotation was computed. [2020-11-29 18:57:08,053 INFO L274 CegarLoopResult]: For program point L1534(line 1534) no Hoare annotation was computed. [2020-11-29 18:57:08,053 INFO L274 CegarLoopResult]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,053 INFO L274 CegarLoopResult]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,053 INFO L274 CegarLoopResult]: For program point L478(lines 478 488) no Hoare annotation was computed. [2020-11-29 18:57:08,053 INFO L274 CegarLoopResult]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2020-11-29 18:57:08,053 INFO L274 CegarLoopResult]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,054 INFO L270 CegarLoopResult]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse2 (<= ~a27~0 0)) (.cse1 (<= ~a12~0 0)) (.cse6 (= ~a26~0 ~a11~0)) (.cse4 (= ~a12~0 1)) (.cse0 (= ~a5~0 1)) (.cse5 (= ~a27~0 1)) (.cse3 (= ~a18~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse3 (<= ~a3~0 0)) (and .cse4 .cse0 .cse5 .cse3 .cse6 (= ~a15~0 1)) (and .cse4 .cse0 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse3 (= ~a11~0 0)) (and .cse0 .cse5 .cse1 .cse3) (and .cse4 .cse0 .cse5 .cse3 .cse6 (<= ~a6~0 0)) (and .cse4 .cse0 .cse5 (<= 2 ~a3~0) .cse3))) [2020-11-29 18:57:08,054 INFO L274 CegarLoopResult]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,054 INFO L274 CegarLoopResult]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,054 INFO L274 CegarLoopResult]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,054 INFO L274 CegarLoopResult]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,055 INFO L274 CegarLoopResult]: For program point L1603(line 1603) no Hoare annotation was computed. [2020-11-29 18:57:08,055 INFO L274 CegarLoopResult]: For program point L1537(line 1537) no Hoare annotation was computed. [2020-11-29 18:57:08,055 INFO L274 CegarLoopResult]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,055 INFO L274 CegarLoopResult]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,055 INFO L274 CegarLoopResult]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,055 INFO L274 CegarLoopResult]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,056 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,056 INFO L274 CegarLoopResult]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,056 INFO L274 CegarLoopResult]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,056 INFO L274 CegarLoopResult]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,056 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 18:57:08,056 INFO L274 CegarLoopResult]: For program point L879(lines 879 897) no Hoare annotation was computed. [2020-11-29 18:57:08,057 INFO L274 CegarLoopResult]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2020-11-29 18:57:08,057 INFO L274 CegarLoopResult]: For program point L1606(line 1606) no Hoare annotation was computed. [2020-11-29 18:57:08,057 INFO L274 CegarLoopResult]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,057 INFO L274 CegarLoopResult]: For program point L1540(line 1540) no Hoare annotation was computed. [2020-11-29 18:57:08,057 INFO L274 CegarLoopResult]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,057 INFO L274 CegarLoopResult]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,058 INFO L274 CegarLoopResult]: For program point L1673(line 1673) no Hoare annotation was computed. [2020-11-29 18:57:08,058 INFO L274 CegarLoopResult]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,058 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,058 INFO L274 CegarLoopResult]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,058 INFO L274 CegarLoopResult]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,059 INFO L274 CegarLoopResult]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,059 INFO L274 CegarLoopResult]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2020-11-29 18:57:08,061 INFO L274 CegarLoopResult]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,061 INFO L274 CegarLoopResult]: For program point L1609(line 1609) no Hoare annotation was computed. [2020-11-29 18:57:08,061 INFO L274 CegarLoopResult]: For program point L1543(line 1543) no Hoare annotation was computed. [2020-11-29 18:57:08,061 INFO L274 CegarLoopResult]: For program point L1477(line 1477) no Hoare annotation was computed. [2020-11-29 18:57:08,061 INFO L274 CegarLoopResult]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,062 INFO L274 CegarLoopResult]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,063 INFO L274 CegarLoopResult]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,063 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,063 INFO L274 CegarLoopResult]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,067 INFO L274 CegarLoopResult]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,067 INFO L274 CegarLoopResult]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,067 INFO L274 CegarLoopResult]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,067 INFO L274 CegarLoopResult]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2020-11-29 18:57:08,067 INFO L274 CegarLoopResult]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2020-11-29 18:57:08,068 INFO L274 CegarLoopResult]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,068 INFO L274 CegarLoopResult]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,068 INFO L274 CegarLoopResult]: For program point L1612(line 1612) no Hoare annotation was computed. [2020-11-29 18:57:08,068 INFO L274 CegarLoopResult]: For program point L1546(line 1546) no Hoare annotation was computed. [2020-11-29 18:57:08,068 INFO L274 CegarLoopResult]: For program point L1480(line 1480) no Hoare annotation was computed. [2020-11-29 18:57:08,068 INFO L274 CegarLoopResult]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,069 INFO L274 CegarLoopResult]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,069 INFO L274 CegarLoopResult]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,069 INFO L274 CegarLoopResult]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,069 INFO L274 CegarLoopResult]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,069 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 18:57:08,069 INFO L274 CegarLoopResult]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,069 INFO L274 CegarLoopResult]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,070 INFO L274 CegarLoopResult]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,070 INFO L274 CegarLoopResult]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,070 INFO L274 CegarLoopResult]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,070 INFO L274 CegarLoopResult]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,070 INFO L274 CegarLoopResult]: For program point L1615(line 1615) no Hoare annotation was computed. [2020-11-29 18:57:08,070 INFO L274 CegarLoopResult]: For program point L1549(line 1549) no Hoare annotation was computed. [2020-11-29 18:57:08,071 INFO L274 CegarLoopResult]: For program point L1483(line 1483) no Hoare annotation was computed. [2020-11-29 18:57:08,071 INFO L274 CegarLoopResult]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,071 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,071 INFO L274 CegarLoopResult]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,071 INFO L274 CegarLoopResult]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,071 INFO L274 CegarLoopResult]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,071 INFO L274 CegarLoopResult]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,072 INFO L274 CegarLoopResult]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,072 INFO L274 CegarLoopResult]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2020-11-29 18:57:08,072 INFO L274 CegarLoopResult]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2020-11-29 18:57:08,072 INFO L274 CegarLoopResult]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,072 INFO L274 CegarLoopResult]: For program point L1618(line 1618) no Hoare annotation was computed. [2020-11-29 18:57:08,072 INFO L274 CegarLoopResult]: For program point L1552(line 1552) no Hoare annotation was computed. [2020-11-29 18:57:08,073 INFO L274 CegarLoopResult]: For program point L1486(line 1486) no Hoare annotation was computed. [2020-11-29 18:57:08,073 INFO L274 CegarLoopResult]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,073 INFO L274 CegarLoopResult]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,073 INFO L274 CegarLoopResult]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,073 INFO L274 CegarLoopResult]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,073 INFO L274 CegarLoopResult]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2020-11-29 18:57:08,074 INFO L274 CegarLoopResult]: For program point L695(lines 695 709) no Hoare annotation was computed. [2020-11-29 18:57:08,074 INFO L274 CegarLoopResult]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2020-11-29 18:57:08,074 INFO L274 CegarLoopResult]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,074 INFO L274 CegarLoopResult]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,074 INFO L274 CegarLoopResult]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:57:08,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:57:08 BoogieIcfgContainer [2020-11-29 18:57:08,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:57:08,126 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:57:08,126 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:57:08,127 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:57:08,127 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:56:33" (3/4) ... [2020-11-29 18:57:08,131 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:57:08,192 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 18:57:08,197 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 18:57:08,202 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:57:08,206 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:57:08,550 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4c5f4f1c-1b12-4f69-804d-249440c838e8/bin/uautomizer/witness.graphml [2020-11-29 18:57:08,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:57:08,553 INFO L168 Benchmark]: Toolchain (without parser) took 39355.76 ms. Allocated memory was 136.3 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 98.0 MB in the beginning and 1.0 GB in the end (delta: -947.0 MB). Peak memory consumption was 353.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:57:08,553 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 83.9 MB. Free memory was 44.3 MB in the beginning and 44.2 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:57:08,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1413.50 ms. Allocated memory is still 136.3 MB. Free memory was 97.7 MB in the beginning and 58.3 MB in the end (delta: 39.4 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:57:08,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 258.57 ms. Allocated memory is still 136.3 MB. Free memory was 58.3 MB in the beginning and 100.6 MB in the end (delta: -42.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:57:08,555 INFO L168 Benchmark]: Boogie Preprocessor took 199.51 ms. Allocated memory was 136.3 MB in the beginning and 195.0 MB in the end (delta: 58.7 MB). Free memory was 100.6 MB in the beginning and 150.4 MB in the end (delta: -49.9 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:57:08,555 INFO L168 Benchmark]: RCFGBuilder took 2765.10 ms. Allocated memory is still 195.0 MB. Free memory was 150.4 MB in the beginning and 136.0 MB in the end (delta: 14.4 MB). Peak memory consumption was 87.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:57:08,556 INFO L168 Benchmark]: TraceAbstraction took 34284.92 ms. Allocated memory was 195.0 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 134.9 MB in the beginning and 882.2 MB in the end (delta: -747.2 MB). Peak memory consumption was 316.0 MB. Max. memory is 16.1 GB. [2020-11-29 18:57:08,556 INFO L168 Benchmark]: Witness Printer took 424.87 ms. Allocated memory is still 1.3 GB. Free memory was 882.2 MB in the beginning and 1.0 GB in the end (delta: -162.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2020-11-29 18:57:08,559 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 83.9 MB. Free memory was 44.3 MB in the beginning and 44.2 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1413.50 ms. Allocated memory is still 136.3 MB. Free memory was 97.7 MB in the beginning and 58.3 MB in the end (delta: 39.4 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 258.57 ms. Allocated memory is still 136.3 MB. Free memory was 58.3 MB in the beginning and 100.6 MB in the end (delta: -42.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 199.51 ms. Allocated memory was 136.3 MB in the beginning and 195.0 MB in the end (delta: 58.7 MB). Free memory was 100.6 MB in the beginning and 150.4 MB in the end (delta: -49.9 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2765.10 ms. Allocated memory is still 195.0 MB. Free memory was 150.4 MB in the beginning and 136.0 MB in the end (delta: 14.4 MB). Peak memory consumption was 87.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 34284.92 ms. Allocated memory was 195.0 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 134.9 MB in the beginning and 882.2 MB in the end (delta: -747.2 MB). Peak memory consumption was 316.0 MB. Max. memory is 16.1 GB. * Witness Printer took 424.87 ms. Allocated memory is still 1.3 GB. Free memory was 882.2 MB in the beginning and 1.0 GB in the end (delta: -162.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((a5 == 1 && a12 <= 0) && a27 <= 0) && a18 == 1) || ((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a3 <= 0)) || (((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a26 == a11) && a15 == 1)) || (((a12 == 1 && a5 == 1) && a27 <= 0) && a18 == 1)) || ((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a11 == 0)) || (((a5 == 1 && a27 == 1) && a12 <= 0) && a18 == 1)) || (((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a26 == a11) && a6 <= 0)) || ((((a12 == 1 && a5 == 1) && a27 == 1) && 2 <= a3) && a18 == 1) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((a5 == 1 && a12 <= 0) && a27 <= 0) && a18 == 1) || ((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a3 <= 0)) || (((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a26 == a11) && a15 == 1)) || (((a12 == 1 && a5 == 1) && a27 <= 0) && a18 == 1)) || ((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a11 == 0)) || (((a5 == 1 && a27 == 1) && a12 <= 0) && a18 == 1)) || (((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a26 == a11) && a6 <= 0)) || ((((a12 == 1 && a5 == 1) && a27 == 1) && 2 <= a3) && a18 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 303 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 33.0s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 20.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1883 SDtfs, 2076 SDslu, 234 SDs, 0 SdLazy, 7937 SolverSat, 1246 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1321 GetRequests, 1294 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30584occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 3745 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 185 NumberOfFragments, 253 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3816 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 792 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 4413 NumberOfCodeBlocks, 4413 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4395 ConstructedInterpolants, 0 QuantifiedInterpolants, 4364394 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2521 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 18 InterpolantComputations, 13 PerfectInterpolantSequences, 1224/1259 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...