./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.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_cb8baf77-e744-465e-a4c1-aea1068a10f9/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/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 231a10bb05ed6dc00d2658e900a2b37af0aae558 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:14:15,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:14:15,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:14:15,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:14:15,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:14:15,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:14:15,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:14:15,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:14:15,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:14:15,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:14:15,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:14:15,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:14:15,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:14:15,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:14:15,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:14:15,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:14:15,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:14:15,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:14:15,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:14:15,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:14:15,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:14:15,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:14:15,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:14:15,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:14:15,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:14:15,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:14:15,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:14:15,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:14:15,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:14:15,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:14:15,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:14:15,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:14:15,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:14:15,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:14:15,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:14:15,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:14:15,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:14:15,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:14:15,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:14:15,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:14:15,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:14:15,810 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:14:15,853 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:14:15,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:14:15,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:14:15,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:14:15,856 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:14:15,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:14:15,856 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:14:15,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:14:15,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:14:15,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:14:15,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:14:15,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:14:15,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:14:15,858 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:14:15,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:14:15,859 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:14:15,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:14:15,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:14:15,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:14:15,860 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:14:15,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:14:15,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:14:15,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:14:15,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:14:15,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:14:15,861 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:14:15,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:14:15,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:14:15,862 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:14:15,862 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_cb8baf77-e744-465e-a4c1-aea1068a10f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 231a10bb05ed6dc00d2658e900a2b37af0aae558 [2020-11-28 03:14:16,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:14:16,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:14:16,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:14:16,269 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:14:16,270 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:14:16,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/bin/uautomizer/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c [2020-11-28 03:14:16,356 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/bin/uautomizer/data/c9ae8e39d/92e380038388449fa6b09d79d29e53c0/FLAG5ed2957df [2020-11-28 03:14:16,874 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:14:16,875 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c [2020-11-28 03:14:16,882 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/bin/uautomizer/data/c9ae8e39d/92e380038388449fa6b09d79d29e53c0/FLAG5ed2957df [2020-11-28 03:14:17,245 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/bin/uautomizer/data/c9ae8e39d/92e380038388449fa6b09d79d29e53c0 [2020-11-28 03:14:17,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:14:17,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:14:17,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:17,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:14:17,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:14:17,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a38e2c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17, skipping insertion in model container [2020-11-28 03:14:17,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:14:17,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:14:17,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:17,496 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:14:17,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:17,546 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:14:17,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17 WrapperNode [2020-11-28 03:14:17,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:17,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:14:17,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:14:17,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:14:17,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:14:17,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:14:17,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:14:17,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:14:17,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:14:17,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:14:17,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:14:17,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:14:17,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/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 [2020-11-28 03:14:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:14:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:14:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:14:17,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:14:18,194 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:14:18,196 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-28 03:14:18,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:18 BoogieIcfgContainer [2020-11-28 03:14:18,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:14:18,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:14:18,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:14:18,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:14:18,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:14:17" (1/3) ... [2020-11-28 03:14:18,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7230ed82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:14:18, skipping insertion in model container [2020-11-28 03:14:18,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (2/3) ... [2020-11-28 03:14:18,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7230ed82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:14:18, skipping insertion in model container [2020-11-28 03:14:18,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:18" (3/3) ... [2020-11-28 03:14:18,215 INFO L111 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_valuebound2.c [2020-11-28 03:14:18,232 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:14:18,237 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-11-28 03:14:18,251 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-11-28 03:14:18,279 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:14:18,279 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:14:18,279 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:14:18,280 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:14:18,280 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:14:18,280 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:14:18,280 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:14:18,280 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:14:18,297 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-11-28 03:14:18,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 03:14:18,303 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:18,304 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:18,305 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:18,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:18,312 INFO L82 PathProgramCache]: Analyzing trace with hash 330581779, now seen corresponding path program 1 times [2020-11-28 03:14:18,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:18,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021650522] [2020-11-28 03:14:18,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:18,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:18,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021650522] [2020-11-28 03:14:18,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:18,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:14:18,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525207160] [2020-11-28 03:14:18,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:14:18,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:18,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:14:18,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:14:18,496 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2020-11-28 03:14:18,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:18,519 INFO L93 Difference]: Finished difference Result 83 states and 112 transitions. [2020-11-28 03:14:18,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:14:18,520 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-28 03:14:18,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:18,530 INFO L225 Difference]: With dead ends: 83 [2020-11-28 03:14:18,531 INFO L226 Difference]: Without dead ends: 39 [2020-11-28 03:14:18,534 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:14:18,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-11-28 03:14:18,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-11-28 03:14:18,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-11-28 03:14:18,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2020-11-28 03:14:18,574 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 11 [2020-11-28 03:14:18,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:18,575 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2020-11-28 03:14:18,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:14:18,575 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2020-11-28 03:14:18,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 03:14:18,576 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:18,576 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:18,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:14:18,577 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:18,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:18,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1507472743, now seen corresponding path program 1 times [2020-11-28 03:14:18,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:18,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227776849] [2020-11-28 03:14:18,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:18,612 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:14:18,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1512316127] [2020-11-28 03:14:18,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/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 [2020-11-28 03:14:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:18,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-28 03:14:18,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:14:18,785 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-28 03:14:18,786 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:14:18,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:18,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227776849] [2020-11-28 03:14:18,893 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:14:18,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512316127] [2020-11-28 03:14:18,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:18,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:14:18,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596753497] [2020-11-28 03:14:18,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:14:18,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:18,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:14:18,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:14:18,897 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 6 states. [2020-11-28 03:14:19,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:19,191 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2020-11-28 03:14:19,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:14:19,192 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-11-28 03:14:19,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:19,194 INFO L225 Difference]: With dead ends: 52 [2020-11-28 03:14:19,194 INFO L226 Difference]: Without dead ends: 50 [2020-11-28 03:14:19,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:14:19,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-11-28 03:14:19,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 41. [2020-11-28 03:14:19,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-11-28 03:14:19,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2020-11-28 03:14:19,216 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 11 [2020-11-28 03:14:19,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:19,216 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2020-11-28 03:14:19,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:14:19,218 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2020-11-28 03:14:19,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 03:14:19,219 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:19,219 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:19,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-28 03:14:19,444 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:19,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:19,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1277140292, now seen corresponding path program 1 times [2020-11-28 03:14:19,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:19,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910502206] [2020-11-28 03:14:19,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:19,475 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:14:19,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1091346437] [2020-11-28 03:14:19,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/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 [2020-11-28 03:14:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:19,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-28 03:14:19,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:14:19,571 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-28 03:14:19,571 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:14:19,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:19,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910502206] [2020-11-28 03:14:19,620 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:14:19,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091346437] [2020-11-28 03:14:19,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:19,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:14:19,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210325604] [2020-11-28 03:14:19,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:14:19,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:19,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:14:19,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:14:19,623 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 6 states. [2020-11-28 03:14:19,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:19,857 INFO L93 Difference]: Finished difference Result 69 states and 71 transitions. [2020-11-28 03:14:19,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:14:19,858 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-11-28 03:14:19,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:19,859 INFO L225 Difference]: With dead ends: 69 [2020-11-28 03:14:19,859 INFO L226 Difference]: Without dead ends: 61 [2020-11-28 03:14:19,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:14:19,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-11-28 03:14:19,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 53. [2020-11-28 03:14:19,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-28 03:14:19,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2020-11-28 03:14:19,883 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 13 [2020-11-28 03:14:19,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:19,885 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2020-11-28 03:14:19,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:14:19,885 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2020-11-28 03:14:19,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 03:14:19,887 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:19,887 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:20,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:14:20,100 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:20,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:20,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1834773734, now seen corresponding path program 1 times [2020-11-28 03:14:20,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:20,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224195884] [2020-11-28 03:14:20,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:20,126 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:14:20,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2106808167] [2020-11-28 03:14:20,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/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 [2020-11-28 03:14:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:20,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 03:14:20,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:14:20,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:20,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224195884] [2020-11-28 03:14:20,226 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:14:20,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106808167] [2020-11-28 03:14:20,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:20,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:14:20,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553002651] [2020-11-28 03:14:20,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:14:20,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:20,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:14:20,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:14:20,228 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand 4 states. [2020-11-28 03:14:20,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:20,371 INFO L93 Difference]: Finished difference Result 95 states and 105 transitions. [2020-11-28 03:14:20,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:14:20,371 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-11-28 03:14:20,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:20,373 INFO L225 Difference]: With dead ends: 95 [2020-11-28 03:14:20,373 INFO L226 Difference]: Without dead ends: 89 [2020-11-28 03:14:20,374 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:20,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-11-28 03:14:20,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 72. [2020-11-28 03:14:20,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-11-28 03:14:20,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2020-11-28 03:14:20,388 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 16 [2020-11-28 03:14:20,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:20,388 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2020-11-28 03:14:20,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:14:20,389 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2020-11-28 03:14:20,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 03:14:20,389 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:20,390 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] [2020-11-28 03:14:20,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:14:20,612 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:20,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:20,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1756992684, now seen corresponding path program 1 times [2020-11-28 03:14:20,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:20,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453607689] [2020-11-28 03:14:20,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:20,632 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:14:20,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1721952945] [2020-11-28 03:14:20,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/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 [2020-11-28 03:14:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:20,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-28 03:14:20,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:14:20,753 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-28 03:14:20,753 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:14:20,783 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:14:20,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:20,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453607689] [2020-11-28 03:14:20,843 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:14:20,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721952945] [2020-11-28 03:14:20,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:20,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:14:20,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025227560] [2020-11-28 03:14:20,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:14:20,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:20,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:14:20,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:14:20,846 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 6 states. [2020-11-28 03:14:21,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:21,089 INFO L93 Difference]: Finished difference Result 72 states and 82 transitions. [2020-11-28 03:14:21,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:14:21,089 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-11-28 03:14:21,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:21,090 INFO L225 Difference]: With dead ends: 72 [2020-11-28 03:14:21,091 INFO L226 Difference]: Without dead ends: 70 [2020-11-28 03:14:21,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-11-28 03:14:21,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-11-28 03:14:21,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-11-28 03:14:21,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-11-28 03:14:21,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 77 transitions. [2020-11-28 03:14:21,105 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 77 transitions. Word has length 20 [2020-11-28 03:14:21,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:21,105 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 77 transitions. [2020-11-28 03:14:21,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:14:21,106 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2020-11-28 03:14:21,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 03:14:21,107 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:21,107 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:21,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:14:21,323 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:21,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:21,323 INFO L82 PathProgramCache]: Analyzing trace with hash 746982291, now seen corresponding path program 1 times [2020-11-28 03:14:21,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:21,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147255515] [2020-11-28 03:14:21,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:21,340 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:14:21,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1066580466] [2020-11-28 03:14:21,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/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 [2020-11-28 03:14:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:21,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 33 conjunts are in the unsatisfiable core [2020-11-28 03:14:21,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:14:21,446 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-11-28 03:14:21,446 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:14:21,495 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-28 03:14:21,495 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:14:21,671 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 03:14:22,426 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-11-28 03:14:22,436 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2020-11-28 03:14:22,436 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:14:23,268 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:14:23,270 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 03:14:23,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:23,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147255515] [2020-11-28 03:14:23,319 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:14:23,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066580466] [2020-11-28 03:14:23,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:14:23,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-11-28 03:14:23,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275652081] [2020-11-28 03:14:23,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-28 03:14:23,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:23,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-28 03:14:23,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=143, Unknown=2, NotChecked=0, Total=182 [2020-11-28 03:14:23,323 INFO L87 Difference]: Start difference. First operand 70 states and 77 transitions. Second operand 14 states. [2020-11-28 03:14:24,257 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 25 [2020-11-28 03:14:24,421 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2020-11-28 03:14:24,628 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2020-11-28 03:14:26,458 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-11-28 03:14:30,348 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2020-11-28 03:14:31,588 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2020-11-28 03:14:32,557 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2020-11-28 03:14:41,267 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2020-11-28 03:14:42,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:42,088 INFO L93 Difference]: Finished difference Result 144 states and 158 transitions. [2020-11-28 03:14:42,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-28 03:14:42,089 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 25 [2020-11-28 03:14:42,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:42,091 INFO L225 Difference]: With dead ends: 144 [2020-11-28 03:14:42,091 INFO L226 Difference]: Without dead ends: 95 [2020-11-28 03:14:42,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=239, Invalid=553, Unknown=20, NotChecked=0, Total=812 [2020-11-28 03:14:42,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-11-28 03:14:42,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 56. [2020-11-28 03:14:42,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-11-28 03:14:42,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2020-11-28 03:14:42,110 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 25 [2020-11-28 03:14:42,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:42,110 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2020-11-28 03:14:42,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-28 03:14:42,110 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2020-11-28 03:14:42,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:14:42,112 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:42,112 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:42,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-28 03:14:42,313 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:42,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:42,313 INFO L82 PathProgramCache]: Analyzing trace with hash 23956023, now seen corresponding path program 1 times [2020-11-28 03:14:42,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:42,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135492997] [2020-11-28 03:14:42,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:42,349 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:14:42,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [801369049] [2020-11-28 03:14:42,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:14:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:42,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-28 03:14:42,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:14:42,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:42,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135492997] [2020-11-28 03:14:42,504 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:14:42,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801369049] [2020-11-28 03:14:42,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:14:42,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-11-28 03:14:42,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668702354] [2020-11-28 03:14:42,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:14:42,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:42,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:14:42,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:14:42,508 INFO L87 Difference]: Start difference. First operand 56 states and 59 transitions. Second operand 6 states. [2020-11-28 03:14:42,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:42,746 INFO L93 Difference]: Finished difference Result 91 states and 96 transitions. [2020-11-28 03:14:42,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:14:42,747 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-11-28 03:14:42,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:42,749 INFO L225 Difference]: With dead ends: 91 [2020-11-28 03:14:42,749 INFO L226 Difference]: Without dead ends: 83 [2020-11-28 03:14:42,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:14:42,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-11-28 03:14:42,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 69. [2020-11-28 03:14:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-11-28 03:14:42,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 73 transitions. [2020-11-28 03:14:42,794 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 73 transitions. Word has length 26 [2020-11-28 03:14:42,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:42,794 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 73 transitions. [2020-11-28 03:14:42,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:14:42,795 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2020-11-28 03:14:42,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 03:14:42,796 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:42,798 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 03:14:43,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:14:43,021 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:43,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:43,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1714844836, now seen corresponding path program 1 times [2020-11-28 03:14:43,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:43,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856319537] [2020-11-28 03:14:43,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:43,033 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:14:43,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1631484221] [2020-11-28 03:14:43,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:14:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:43,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2020-11-28 03:14:43,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:14:43,157 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-11-28 03:14:43,157 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:14:43,571 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:43,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856319537] [2020-11-28 03:14:43,572 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:14:43,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631484221] [2020-11-28 03:14:43,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:14:43,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-11-28 03:14:43,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572002521] [2020-11-28 03:14:43,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-28 03:14:43,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:43,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-28 03:14:43,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2020-11-28 03:14:43,574 INFO L87 Difference]: Start difference. First operand 69 states and 73 transitions. Second operand 13 states. [2020-11-28 03:14:44,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:44,183 INFO L93 Difference]: Finished difference Result 116 states and 124 transitions. [2020-11-28 03:14:44,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-28 03:14:44,189 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 35 [2020-11-28 03:14:44,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:44,190 INFO L225 Difference]: With dead ends: 116 [2020-11-28 03:14:44,190 INFO L226 Difference]: Without dead ends: 69 [2020-11-28 03:14:44,191 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2020-11-28 03:14:44,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-11-28 03:14:44,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-11-28 03:14:44,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-11-28 03:14:44,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 72 transitions. [2020-11-28 03:14:44,210 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 72 transitions. Word has length 35 [2020-11-28 03:14:44,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:44,210 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 72 transitions. [2020-11-28 03:14:44,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-28 03:14:44,211 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 72 transitions. [2020-11-28 03:14:44,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 03:14:44,212 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:44,212 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:44,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:14:44,420 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:44,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:44,421 INFO L82 PathProgramCache]: Analyzing trace with hash 810001052, now seen corresponding path program 2 times [2020-11-28 03:14:44,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:44,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793996012] [2020-11-28 03:14:44,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:44,433 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:14:44,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1724307550] [2020-11-28 03:14:44,434 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:14:44,499 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-28 03:14:44,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-28 03:14:44,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:14:44,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:14:44,554 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:44,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793996012] [2020-11-28 03:14:44,555 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:14:44,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724307550] [2020-11-28 03:14:44,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:44,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:14:44,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136168082] [2020-11-28 03:14:44,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:14:44,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:44,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:14:44,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:44,556 INFO L87 Difference]: Start difference. First operand 69 states and 72 transitions. Second operand 5 states. [2020-11-28 03:14:44,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:44,625 INFO L93 Difference]: Finished difference Result 69 states and 72 transitions. [2020-11-28 03:14:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:14:44,626 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-11-28 03:14:44,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:44,627 INFO L225 Difference]: With dead ends: 69 [2020-11-28 03:14:44,627 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:14:44,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:14:44,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:14:44,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:14:44,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:14:44,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:14:44,628 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-11-28 03:14:44,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:44,629 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:14:44,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:14:44,629 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:14:44,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:14:44,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-11-28 03:14:44,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:14:45,196 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2020-11-28 03:14:45,386 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2020-11-28 03:14:46,070 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-11-28 03:14:46,247 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2020-11-28 03:14:46,434 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2020-11-28 03:14:46,696 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-11-28 03:14:46,803 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2020-11-28 03:14:47,015 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-11-28 03:14:47,023 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-28 03:14:47,023 INFO L274 CegarLoopResult]: For program point L11(lines 11 13) no Hoare annotation was computed. [2020-11-28 03:14:47,023 INFO L274 CegarLoopResult]: For program point L11-1(lines 11 13) no Hoare annotation was computed. [2020-11-28 03:14:47,023 INFO L274 CegarLoopResult]: For program point L11-2(lines 11 13) no Hoare annotation was computed. [2020-11-28 03:14:47,024 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-28 03:14:47,024 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:14:47,024 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:14:47,024 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:14:47,024 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-11-28 03:14:47,024 INFO L274 CegarLoopResult]: For program point L12-4(line 12) no Hoare annotation was computed. [2020-11-28 03:14:47,024 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-28 03:14:47,024 INFO L270 CegarLoopResult]: At program point L38-2(lines 38 62) the Hoare annotation is: (let ((.cse1 (* ULTIMATE.start_main_~y~0 2)) (.cse2 (<= 1 ULTIMATE.start_main_~y~0)) (.cse3 (<= ULTIMATE.start_main_~x~0 2)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse5 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (let ((.cse0 (let ((.cse6 (<= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0))) (or (and .cse2 .cse6 .cse3 (= ULTIMATE.start_main_~a~0 2) (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (exists ((ULTIMATE.start_main_~q~0 Int)) (let ((.cse7 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) (and (<= (+ (* 2 ULTIMATE.start_main_~y~0) .cse7) 2) (<= 0 .cse7)))) .cse4 (= ULTIMATE.start_main_~b~0 .cse1) .cse5) (and .cse2 .cse6 .cse3 (= ULTIMATE.start_main_~a~0 1) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse4 .cse5 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0)))))) (or (and (= ULTIMATE.start_main_~q~0 2) .cse0 (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 .cse1)) (<= (* 2 ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~x~0)) (and .cse2 .cse3 .cse4 (= ULTIMATE.start_main_~a~0 0) (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse5 (= ULTIMATE.start_main_~b~0 0)) (and (= ULTIMATE.start_main_~q~0 1) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0)) (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse0 (< ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0))))) [2020-11-28 03:14:47,024 INFO L274 CegarLoopResult]: For program point L38-3(lines 38 62) no Hoare annotation was computed. [2020-11-28 03:14:47,025 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-28 03:14:47,025 INFO L270 CegarLoopResult]: At program point L47-2(lines 47 59) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse1 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse2 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0)) (.cse3 (= ULTIMATE.start_main_~q~0 0)) (.cse4 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (or (and .cse0 (<= ULTIMATE.start_main_~x~0 2) (= ULTIMATE.start_main_~a~0 2) .cse1 .cse2 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~y~0 2)) .cse3 (<= (* 2 ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~r~0) .cse4) (and (<= 1 ULTIMATE.start_main_~r~0) .cse0 (= ULTIMATE.start_main_~a~0 1) .cse1 .cse2 (exists ((ULTIMATE.start_main_~q~0 Int)) (let ((.cse6 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) (let ((.cse5 (+ ULTIMATE.start_main_~r~0 .cse6))) (and (<= .cse5 2) (<= 0 .cse6) (<= 0 .cse5))))) .cse3 .cse4 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0)))) [2020-11-28 03:14:47,025 INFO L274 CegarLoopResult]: For program point L47-3(lines 47 59) no Hoare annotation was computed. [2020-11-28 03:14:47,025 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-28 03:14:47,025 INFO L274 CegarLoopResult]: For program point L15(lines 15 18) no Hoare annotation was computed. [2020-11-28 03:14:47,026 INFO L270 CegarLoopResult]: At program point L15-1(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse1 (<= ULTIMATE.start_main_~x~0 2)) (.cse2 (<= 0 ULTIMATE.start_main_~x~0)) (.cse5 (* ULTIMATE.start_main_~y~0 2)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (let ((.cse4 (let ((.cse6 (<= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0))) (or (and .cse6 .cse0 .cse1 (= ULTIMATE.start_main_~a~0 1) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse2 .cse3 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0)) (and .cse6 .cse0 .cse1 (= ULTIMATE.start_main_~a~0 2) (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (exists ((ULTIMATE.start_main_~q~0 Int)) (let ((.cse7 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) (and (<= (+ (* 2 ULTIMATE.start_main_~y~0) .cse7) 2) (<= 0 .cse7)))) .cse2 (= ULTIMATE.start_main_~b~0 .cse5) .cse3))))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse3) (and (= ULTIMATE.start_main_~q~0 2) .cse4 (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 .cse5)) (<= (* 2 ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~x~0)) (and (= ULTIMATE.start_main_~q~0 1) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0)) (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse4 (< ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0))))) [2020-11-28 03:14:47,026 INFO L274 CegarLoopResult]: For program point L15-2(lines 15 18) no Hoare annotation was computed. [2020-11-28 03:14:47,026 INFO L270 CegarLoopResult]: At program point L15-3(lines 42 43) the Hoare annotation is: (let ((.cse2 (* ULTIMATE.start_main_~y~0 2)) (.cse3 (<= 1 ULTIMATE.start_main_~y~0)) (.cse4 (<= ULTIMATE.start_main_~x~0 2)) (.cse5 (<= 0 ULTIMATE.start_main_~x~0)) (.cse6 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (let ((.cse0 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse1 (let ((.cse7 (<= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0))) (or (and .cse7 .cse3 .cse4 (= ULTIMATE.start_main_~a~0 2) (exists ((ULTIMATE.start_main_~q~0 Int)) (let ((.cse8 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) (and (<= (+ (* 2 ULTIMATE.start_main_~y~0) .cse8) 2) (<= 0 .cse8)))) .cse5 (= ULTIMATE.start_main_~b~0 .cse2) .cse6) (and .cse7 .cse3 .cse4 (= ULTIMATE.start_main_~a~0 1) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse5 (exists ((ULTIMATE.start_main_~q~0 Int)) (let ((.cse10 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) (let ((.cse9 (+ ULTIMATE.start_main_~r~0 .cse10))) (and (<= .cse9 2) (<= 0 .cse10) (<= 0 .cse9))))) .cse6 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0)))))) (or (and (= ULTIMATE.start_main_~q~0 2) .cse0 .cse1 (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 .cse2)) (<= (* 2 ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~x~0)) (and .cse3 .cse4 .cse0 .cse5 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse6) (and (= ULTIMATE.start_main_~q~0 1) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0)) (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) (< ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0) .cse1)))) [2020-11-28 03:14:47,027 INFO L274 CegarLoopResult]: For program point L15-4(lines 15 18) no Hoare annotation was computed. [2020-11-28 03:14:47,027 INFO L270 CegarLoopResult]: At program point L15-5(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse1 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0)) (.cse2 (= ULTIMATE.start_main_~q~0 0)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (or (and .cse0 (<= ULTIMATE.start_main_~x~0 2) (= ULTIMATE.start_main_~a~0 2) (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse1 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~y~0 2)) .cse2 (<= (* 2 ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~r~0) .cse3) (and (<= 1 ULTIMATE.start_main_~r~0) .cse0 (= ULTIMATE.start_main_~a~0 1) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse1 (exists ((ULTIMATE.start_main_~q~0 Int)) (let ((.cse5 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) (let ((.cse4 (+ ULTIMATE.start_main_~r~0 .cse5))) (and (<= .cse4 2) (<= 0 .cse5) (<= 0 .cse4))))) .cse2 .cse3 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0)))) [2020-11-28 03:14:47,027 INFO L274 CegarLoopResult]: For program point L15-6(lines 15 18) no Hoare annotation was computed. [2020-11-28 03:14:47,027 INFO L270 CegarLoopResult]: At program point L15-7(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse1 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0)) (.cse2 (= ULTIMATE.start_main_~q~0 0)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (or (and .cse0 (<= ULTIMATE.start_main_~x~0 2) (= ULTIMATE.start_main_~a~0 2) (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse1 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~y~0 2)) .cse2 (<= (* 2 ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~r~0) .cse3) (and (<= 1 ULTIMATE.start_main_~r~0) .cse0 (= ULTIMATE.start_main_~a~0 1) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse1 (exists ((ULTIMATE.start_main_~q~0 Int)) (let ((.cse5 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) (let ((.cse4 (+ ULTIMATE.start_main_~r~0 .cse5))) (and (<= .cse4 2) (<= 0 .cse5) (<= 0 .cse4))))) .cse2 .cse3 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0)))) [2020-11-28 03:14:47,028 INFO L274 CegarLoopResult]: For program point L15-8(lines 15 18) no Hoare annotation was computed. [2020-11-28 03:14:47,028 INFO L270 CegarLoopResult]: At program point L15-9(lines 52 53) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse1 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0)) (.cse4 (= ULTIMATE.start_main_~q~0 0)) (.cse5 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (or (and (<= 1 ULTIMATE.start_main_~r~0) .cse0 (= ULTIMATE.start_main_~a~0 1) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse1 (exists ((ULTIMATE.start_main_~q~0 Int)) (let ((.cse3 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) (let ((.cse2 (+ ULTIMATE.start_main_~r~0 .cse3))) (and (<= .cse2 2) (<= 0 .cse3) (<= 0 .cse2))))) .cse4 .cse5 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0)) (and .cse0 (<= ULTIMATE.start_main_~x~0 2) (= ULTIMATE.start_main_~a~0 2) (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse1 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~y~0 2)) .cse4 .cse5 (<= (* 2 ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~r~0)))) [2020-11-28 03:14:47,028 INFO L274 CegarLoopResult]: For program point L15-10(lines 15 18) no Hoare annotation was computed. [2020-11-28 03:14:47,029 INFO L270 CegarLoopResult]: At program point L15-11(lines 14 20) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~y~0) (= ULTIMATE.start_main_~a~0 1) (<= (* 2 ULTIMATE.start_main_~b~0) ULTIMATE.start_main_~r~0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (exists ((ULTIMATE.start_main_~q~0 Int)) (let ((.cse1 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) (let ((.cse0 (+ ULTIMATE.start_main_~r~0 .cse1))) (and (<= .cse0 2) (<= 0 .cse1) (<= 0 .cse0))))) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_assume_abort_if_not_~cond 1) (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0)) [2020-11-28 03:14:47,029 INFO L274 CegarLoopResult]: For program point L15-12(lines 15 18) no Hoare annotation was computed. [2020-11-28 03:14:47,029 INFO L277 CegarLoopResult]: At program point L15-13(lines 14 20) the Hoare annotation is: true [2020-11-28 03:14:47,029 INFO L277 CegarLoopResult]: At program point L65(lines 22 66) the Hoare annotation is: true [2020-11-28 03:14:47,029 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:14:47,029 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-28 03:14:47,030 INFO L274 CegarLoopResult]: For program point L16(lines 16 17) no Hoare annotation was computed. [2020-11-28 03:14:47,030 INFO L274 CegarLoopResult]: For program point L16-1(lines 16 17) no Hoare annotation was computed. [2020-11-28 03:14:47,030 INFO L274 CegarLoopResult]: For program point L16-2(lines 16 17) no Hoare annotation was computed. [2020-11-28 03:14:47,030 INFO L274 CegarLoopResult]: For program point L16-3(lines 16 17) no Hoare annotation was computed. [2020-11-28 03:14:47,030 INFO L274 CegarLoopResult]: For program point L16-4(lines 16 17) no Hoare annotation was computed. [2020-11-28 03:14:47,031 INFO L274 CegarLoopResult]: For program point L16-5(lines 16 17) no Hoare annotation was computed. [2020-11-28 03:14:47,031 INFO L274 CegarLoopResult]: For program point L16-6(lines 16 17) no Hoare annotation was computed. [2020-11-28 03:14:47,031 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:14:47,031 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-28 03:14:47,038 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,079 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:14:47 BoogieIcfgContainer [2020-11-28 03:14:47,094 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:14:47,095 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:14:47,095 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:14:47,095 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:14:47,095 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:18" (3/4) ... [2020-11-28 03:14:47,098 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:14:47,111 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2020-11-28 03:14:47,111 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:14:47,112 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:14:47,112 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:14:47,141 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((q == 2 && (((((((((1 <= y && r <= x) && x <= 2) && a == 2) && 1 <= cond) && (\exists ULTIMATE.start_main_~q~0 : int :: 2 * y + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y)) && 0 <= x) && b == y * 2) && cond == 1) || (((((((1 <= y && r <= x) && x <= 2) && a == 1) && 1 == cond) && 0 <= x) && cond == 1) && b == y))) && x == r + y * 2) && 2 * y <= x) || (((((((1 <= y && x <= 2) && 0 <= x) && a == 0) && r == x) && q == 0) && cond == 1) && b == 0)) || ((((q == 1 && x == r + y) && b <= y) && (((((((((1 <= y && r <= x) && x <= 2) && a == 2) && 1 <= cond) && (\exists ULTIMATE.start_main_~q~0 : int :: 2 * y + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y)) && 0 <= x) && b == y * 2) && cond == 1) || (((((((1 <= y && r <= x) && x <= 2) && a == 1) && 1 == cond) && 0 <= x) && cond == 1) && b == y))) && r < y) [2020-11-28 03:14:47,142 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= y && x <= 2) && 0 <= x) && r == x) && q == 0) && cond == 1) || (((q == 2 && ((((((((r <= x && 1 <= y) && x <= 2) && a == 1) && 1 == cond) && 0 <= x) && cond == 1) && b == y) || ((((((((r <= x && 1 <= y) && x <= 2) && a == 2) && 1 <= cond) && (\exists ULTIMATE.start_main_~q~0 : int :: 2 * y + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y)) && 0 <= x) && b == y * 2) && cond == 1))) && x == r + y * 2) && 2 * y <= x)) || ((((q == 1 && x == r + y) && b <= y) && ((((((((r <= x && 1 <= y) && x <= 2) && a == 1) && 1 == cond) && 0 <= x) && cond == 1) && b == y) || ((((((((r <= x && 1 <= y) && x <= 2) && a == 2) && 1 <= cond) && (\exists ULTIMATE.start_main_~q~0 : int :: 2 * y + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y)) && 0 <= x) && b == y * 2) && cond == 1))) && r < y) [2020-11-28 03:14:47,142 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((q == 2 && 1 <= cond) && ((((((((r <= x && 1 <= y) && x <= 2) && a == 2) && (\exists ULTIMATE.start_main_~q~0 : int :: 2 * y + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y)) && 0 <= x) && b == y * 2) && cond == 1) || ((((((((r <= x && 1 <= y) && x <= 2) && a == 1) && 1 == cond) && 0 <= x) && (\exists ULTIMATE.start_main_~q~0 : int :: (r + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y) && 0 <= r + ULTIMATE.start_main_~q~0 * y)) && cond == 1) && b == y))) && x == r + y * 2) && 2 * y <= x) || ((((((1 <= y && x <= 2) && 1 <= cond) && 0 <= x) && r == x) && q == 0) && cond == 1)) || ((((q == 1 && x == r + y) && b <= y) && r < y) && ((((((((r <= x && 1 <= y) && x <= 2) && a == 2) && (\exists ULTIMATE.start_main_~q~0 : int :: 2 * y + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y)) && 0 <= x) && b == y * 2) && cond == 1) || ((((((((r <= x && 1 <= y) && x <= 2) && a == 1) && 1 == cond) && 0 <= x) && (\exists ULTIMATE.start_main_~q~0 : int :: (r + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y) && 0 <= r + ULTIMATE.start_main_~q~0 * y)) && cond == 1) && b == y))) [2020-11-28 03:14:47,142 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= y && x <= 2) && a == 2) && 1 <= cond) && r == x) && b == y * 2) && q == 0) && 2 * y <= r) && cond == 1) || ((((((((1 <= r && 1 <= y) && a == 1) && 1 <= cond) && r == x) && (\exists ULTIMATE.start_main_~q~0 : int :: (r + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y) && 0 <= r + ULTIMATE.start_main_~q~0 * y)) && q == 0) && cond == 1) && b == y) [2020-11-28 03:14:47,143 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= y && x <= 2) && a == 2) && 1 <= cond) && r == x) && b == y * 2) && q == 0) && 2 * y <= r) && cond == 1) || ((((((((1 <= r && 1 <= y) && a == 1) && 1 == cond) && r == x) && (\exists ULTIMATE.start_main_~q~0 : int :: (r + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y) && 0 <= r + ULTIMATE.start_main_~q~0 * y)) && q == 0) && cond == 1) && b == y) [2020-11-28 03:14:47,143 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= y && x <= 2) && a == 2) && 1 <= cond) && r == x) && b == y * 2) && q == 0) && 2 * y <= r) && cond == 1) || ((((((((1 <= r && 1 <= y) && a == 1) && 1 == cond) && r == x) && (\exists ULTIMATE.start_main_~q~0 : int :: (r + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y) && 0 <= r + ULTIMATE.start_main_~q~0 * y)) && q == 0) && cond == 1) && b == y) [2020-11-28 03:14:47,143 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= r && 1 <= y) && a == 1) && 1 == cond) && r == x) && (\exists ULTIMATE.start_main_~q~0 : int :: (r + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y) && 0 <= r + ULTIMATE.start_main_~q~0 * y)) && q == 0) && cond == 1) && b == y) || ((((((((1 <= y && x <= 2) && a == 2) && 1 <= cond) && r == x) && b == y * 2) && q == 0) && cond == 1) && 2 * y <= r) [2020-11-28 03:14:47,144 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= y && a == 1) && 2 * b <= r) && 1 == cond) && r == x) && (\exists ULTIMATE.start_main_~q~0 : int :: (r + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y) && 0 <= r + ULTIMATE.start_main_~q~0 * y)) && q == 0) && cond == 1) && b == y [2020-11-28 03:14:47,168 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cb8baf77-e744-465e-a4c1-aea1068a10f9/bin/uautomizer/witness.graphml [2020-11-28 03:14:47,168 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:14:47,169 INFO L168 Benchmark]: Toolchain (without parser) took 29919.70 ms. Allocated memory was 81.8 MB in the beginning and 119.5 MB in the end (delta: 37.7 MB). Free memory was 41.1 MB in the beginning and 48.0 MB in the end (delta: -6.9 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:47,170 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 81.8 MB. Free memory was 57.0 MB in the beginning and 57.0 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:14:47,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.66 ms. Allocated memory is still 81.8 MB. Free memory was 40.9 MB in the beginning and 62.4 MB in the end (delta: -21.5 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:47,171 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.86 ms. Allocated memory is still 81.8 MB. Free memory was 62.1 MB in the beginning and 60.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:47,172 INFO L168 Benchmark]: Boogie Preprocessor took 50.57 ms. Allocated memory is still 81.8 MB. Free memory was 60.7 MB in the beginning and 59.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:14:47,172 INFO L168 Benchmark]: RCFGBuilder took 538.19 ms. Allocated memory is still 81.8 MB. Free memory was 59.3 MB in the beginning and 52.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:47,173 INFO L168 Benchmark]: TraceAbstraction took 28891.35 ms. Allocated memory was 81.8 MB in the beginning and 119.5 MB in the end (delta: 37.7 MB). Free memory was 52.3 MB in the beginning and 51.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 62.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:47,174 INFO L168 Benchmark]: Witness Printer took 73.71 ms. Allocated memory is still 119.5 MB. Free memory was 51.2 MB in the beginning and 48.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:47,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 81.8 MB. Free memory was 57.0 MB in the beginning and 57.0 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 295.66 ms. Allocated memory is still 81.8 MB. Free memory was 40.9 MB in the beginning and 62.4 MB in the end (delta: -21.5 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.86 ms. Allocated memory is still 81.8 MB. Free memory was 62.1 MB in the beginning and 60.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.57 ms. Allocated memory is still 81.8 MB. Free memory was 60.7 MB in the beginning and 59.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 538.19 ms. Allocated memory is still 81.8 MB. Free memory was 59.3 MB in the beginning and 52.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 28891.35 ms. Allocated memory was 81.8 MB in the beginning and 119.5 MB in the end (delta: 37.7 MB). Free memory was 52.3 MB in the beginning and 51.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 62.7 MB. Max. memory is 16.1 GB. * Witness Printer took 73.71 ms. Allocated memory is still 119.5 MB. Free memory was 51.2 MB in the beginning and 48.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant [2020-11-28 03:14:47,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] Derived loop invariant: ((((((((1 <= y && x <= 2) && a == 2) && 1 <= cond) && r == x) && b == y * 2) && q == 0) && 2 * y <= r) && cond == 1) || ((((((((1 <= r && 1 <= y) && a == 1) && 1 == cond) && r == x) && (\exists ULTIMATE.start_main_~q~0 : int :: (r + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y) && 0 <= r + ULTIMATE.start_main_~q~0 * y)) && q == 0) && cond == 1) && b == y) - InvariantResult [Line: 52]: Loop Invariant [2020-11-28 03:14:47,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] Derived loop invariant: ((((((((1 <= r && 1 <= y) && a == 1) && 1 == cond) && r == x) && (\exists ULTIMATE.start_main_~q~0 : int :: (r + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y) && 0 <= r + ULTIMATE.start_main_~q~0 * y)) && q == 0) && cond == 1) && b == y) || ((((((((1 <= y && x <= 2) && a == 2) && 1 <= cond) && r == x) && b == y * 2) && q == 0) && cond == 1) && 2 * y <= r) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant [2020-11-28 03:14:47,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,200 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,200 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,200 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,200 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,200 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,202 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,202 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] Derived loop invariant: (((((q == 2 && 1 <= cond) && ((((((((r <= x && 1 <= y) && x <= 2) && a == 2) && (\exists ULTIMATE.start_main_~q~0 : int :: 2 * y + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y)) && 0 <= x) && b == y * 2) && cond == 1) || ((((((((r <= x && 1 <= y) && x <= 2) && a == 1) && 1 == cond) && 0 <= x) && (\exists ULTIMATE.start_main_~q~0 : int :: (r + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y) && 0 <= r + ULTIMATE.start_main_~q~0 * y)) && cond == 1) && b == y))) && x == r + y * 2) && 2 * y <= x) || ((((((1 <= y && x <= 2) && 1 <= cond) && 0 <= x) && r == x) && q == 0) && cond == 1)) || ((((q == 1 && x == r + y) && b <= y) && r < y) && ((((((((r <= x && 1 <= y) && x <= 2) && a == 2) && (\exists ULTIMATE.start_main_~q~0 : int :: 2 * y + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y)) && 0 <= x) && b == y * 2) && cond == 1) || ((((((((r <= x && 1 <= y) && x <= 2) && a == 1) && 1 == cond) && 0 <= x) && (\exists ULTIMATE.start_main_~q~0 : int :: (r + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y) && 0 <= r + ULTIMATE.start_main_~q~0 * y)) && cond == 1) && b == y))) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 47]: Loop Invariant [2020-11-28 03:14:47,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] Derived loop invariant: ((((((((1 <= y && x <= 2) && a == 2) && 1 <= cond) && r == x) && b == y * 2) && q == 0) && 2 * y <= r) && cond == 1) || ((((((((1 <= r && 1 <= y) && a == 1) && 1 <= cond) && r == x) && (\exists ULTIMATE.start_main_~q~0 : int :: (r + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y) && 0 <= r + ULTIMATE.start_main_~q~0 * y)) && q == 0) && cond == 1) && b == y) - InvariantResult [Line: 14]: Loop Invariant [2020-11-28 03:14:47,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] Derived loop invariant: ((((((((1 <= y && x <= 2) && a == 2) && 1 <= cond) && r == x) && b == y * 2) && q == 0) && 2 * y <= r) && cond == 1) || ((((((((1 <= r && 1 <= y) && a == 1) && 1 == cond) && r == x) && (\exists ULTIMATE.start_main_~q~0 : int :: (r + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y) && 0 <= r + ULTIMATE.start_main_~q~0 * y)) && q == 0) && cond == 1) && b == y) - InvariantResult [Line: 14]: Loop Invariant [2020-11-28 03:14:47,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,211 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,211 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] Derived loop invariant: ((((((1 <= y && x <= 2) && 0 <= x) && r == x) && q == 0) && cond == 1) || (((q == 2 && ((((((((r <= x && 1 <= y) && x <= 2) && a == 1) && 1 == cond) && 0 <= x) && cond == 1) && b == y) || ((((((((r <= x && 1 <= y) && x <= 2) && a == 2) && 1 <= cond) && (\exists ULTIMATE.start_main_~q~0 : int :: 2 * y + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y)) && 0 <= x) && b == y * 2) && cond == 1))) && x == r + y * 2) && 2 * y <= x)) || ((((q == 1 && x == r + y) && b <= y) && ((((((((r <= x && 1 <= y) && x <= 2) && a == 1) && 1 == cond) && 0 <= x) && cond == 1) && b == y) || ((((((((r <= x && 1 <= y) && x <= 2) && a == 2) && 1 <= cond) && (\exists ULTIMATE.start_main_~q~0 : int :: 2 * y + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y)) && 0 <= x) && b == y * 2) && cond == 1))) && r < y) - InvariantResult [Line: 14]: Loop Invariant [2020-11-28 03:14:47,213 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,215 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,215 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] Derived loop invariant: (((((((1 <= y && a == 1) && 2 * b <= r) && 1 == cond) && r == x) && (\exists ULTIMATE.start_main_~q~0 : int :: (r + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y) && 0 <= r + ULTIMATE.start_main_~q~0 * y)) && q == 0) && cond == 1) && b == y - InvariantResult [Line: 38]: Loop Invariant [2020-11-28 03:14:47,215 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,216 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,216 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,216 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,217 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,217 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,217 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] [2020-11-28 03:14:47,217 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0,QUANTIFIED] Derived loop invariant: ((((q == 2 && (((((((((1 <= y && r <= x) && x <= 2) && a == 2) && 1 <= cond) && (\exists ULTIMATE.start_main_~q~0 : int :: 2 * y + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y)) && 0 <= x) && b == y * 2) && cond == 1) || (((((((1 <= y && r <= x) && x <= 2) && a == 1) && 1 == cond) && 0 <= x) && cond == 1) && b == y))) && x == r + y * 2) && 2 * y <= x) || (((((((1 <= y && x <= 2) && 0 <= x) && a == 0) && r == x) && q == 0) && cond == 1) && b == 0)) || ((((q == 1 && x == r + y) && b <= y) && (((((((((1 <= y && r <= x) && x <= 2) && a == 2) && 1 <= cond) && (\exists ULTIMATE.start_main_~q~0 : int :: 2 * y + ULTIMATE.start_main_~q~0 * y <= 2 && 0 <= ULTIMATE.start_main_~q~0 * y)) && 0 <= x) && b == y * 2) && cond == 1) || (((((((1 <= y && r <= x) && x <= 2) && a == 1) && 1 == cond) && 0 <= x) && cond == 1) && b == y))) && r < y) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 43 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.5s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 20.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 236 SDtfs, 619 SDslu, 371 SDs, 0 SdLazy, 819 SolverSat, 162 SolverUnsat, 13 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 218 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 14.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 87 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 30 NumberOfFragments, 981 HoareAnnotationTreeSize, 10 FomulaSimplifications, 2064 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 10 FomulaSimplificationsInter, 332 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 196 NumberOfCodeBlocks, 196 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 187 ConstructedInterpolants, 7 QuantifiedInterpolants, 40227 SizeOfPredicates, 67 NumberOfNonLiveVariables, 817 ConjunctsInSsa, 128 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 21/38 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...