./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_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_f86321f7-a942-42bf-9777-127070627a93/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/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 d7fb0cb3aecdc56f56ac37bccb90dc5beea8d3d2 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:07:10,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:07:10,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:07:10,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:07:10,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:07:10,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:07:10,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:07:10,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:07:10,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:07:10,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:07:10,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:07:10,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:07:10,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:07:10,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:07:10,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:07:10,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:07:10,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:07:10,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:07:10,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:07:10,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:07:10,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:07:10,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:07:10,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:07:10,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:07:11,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:07:11,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:07:11,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:07:11,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:07:11,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:07:11,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:07:11,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:07:11,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:07:11,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:07:11,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:07:11,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:07:11,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:07:11,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:07:11,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:07:11,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:07:11,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:07:11,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:07:11,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:07:11,083 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:07:11,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:07:11,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:07:11,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:07:11,086 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:07:11,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:07:11,087 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:07:11,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:07:11,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:07:11,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:07:11,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:07:11,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:07:11,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:07:11,090 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:07:11,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:07:11,090 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:07:11,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:07:11,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:07:11,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:07:11,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:07:11,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:07:11,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:07:11,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:07:11,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:07:11,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:07:11,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:07:11,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:07:11,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:07:11,093 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:07:11,093 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_f86321f7-a942-42bf-9777-127070627a93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7fb0cb3aecdc56f56ac37bccb90dc5beea8d3d2 [2020-11-28 03:07:11,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:07:11,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:07:11,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:07:11,458 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:07:11,459 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:07:11,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/bin/uautomizer/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c [2020-11-28 03:07:11,564 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/bin/uautomizer/data/48b215707/5d7b1f706c594db2bd95c90051403920/FLAGaedd45046 [2020-11-28 03:07:11,991 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:07:11,999 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c [2020-11-28 03:07:12,012 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/bin/uautomizer/data/48b215707/5d7b1f706c594db2bd95c90051403920/FLAGaedd45046 [2020-11-28 03:07:12,370 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/bin/uautomizer/data/48b215707/5d7b1f706c594db2bd95c90051403920 [2020-11-28 03:07:12,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:07:12,374 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:07:12,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:07:12,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:07:12,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:07:12,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:07:12" (1/1) ... [2020-11-28 03:07:12,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71033c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:12, skipping insertion in model container [2020-11-28 03:07:12,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:07:12" (1/1) ... [2020-11-28 03:07:12,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:07:12,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:07:12,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:07:12,669 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:07:12,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:07:12,738 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:07:12,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:12 WrapperNode [2020-11-28 03:07:12,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:07:12,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:07:12,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:07:12,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:07:12,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:12" (1/1) ... [2020-11-28 03:07:12,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:12" (1/1) ... [2020-11-28 03:07:12,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:07:12,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:07:12,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:07:12,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:07:12,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:12" (1/1) ... [2020-11-28 03:07:12,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:12" (1/1) ... [2020-11-28 03:07:12,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:12" (1/1) ... [2020-11-28 03:07:12,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:12" (1/1) ... [2020-11-28 03:07:12,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:12" (1/1) ... [2020-11-28 03:07:12,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:12" (1/1) ... [2020-11-28 03:07:12,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:12" (1/1) ... [2020-11-28 03:07:12,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:07:12,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:07:12,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:07:12,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:07:12,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/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 03:07:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:07:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:07:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:07:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:07:13,212 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:07:13,212 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-28 03:07:13,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:13 BoogieIcfgContainer [2020-11-28 03:07:13,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:07:13,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:07:13,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:07:13,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:07:13,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:07:12" (1/3) ... [2020-11-28 03:07:13,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9700e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:07:13, skipping insertion in model container [2020-11-28 03:07:13,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:12" (2/3) ... [2020-11-28 03:07:13,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9700e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:07:13, skipping insertion in model container [2020-11-28 03:07:13,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:13" (3/3) ... [2020-11-28 03:07:13,247 INFO L111 eAbstractionObserver]: Analyzing ICFG hard2_valuebound2.c [2020-11-28 03:07:13,266 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:07:13,269 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-11-28 03:07:13,281 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-11-28 03:07:13,309 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:07:13,310 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:07:13,310 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:07:13,310 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:07:13,310 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:07:13,310 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:07:13,310 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:07:13,311 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:07:13,328 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-11-28 03:07:13,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 03:07:13,338 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:13,338 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:13,339 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 03:07:13,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:13,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1804972333, now seen corresponding path program 1 times [2020-11-28 03:07:13,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:13,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745022918] [2020-11-28 03:07:13,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:13,493 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 03:07:13,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745022918] [2020-11-28 03:07:13,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:07:13,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:07:13,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211464984] [2020-11-28 03:07:13,499 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:07:13,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:13,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:07:13,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:07:13,518 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 2 states. [2020-11-28 03:07:13,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:13,546 INFO L93 Difference]: Finished difference Result 75 states and 102 transitions. [2020-11-28 03:07:13,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:07:13,548 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-11-28 03:07:13,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:13,570 INFO L225 Difference]: With dead ends: 75 [2020-11-28 03:07:13,571 INFO L226 Difference]: Without dead ends: 35 [2020-11-28 03:07:13,574 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 03:07:13,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-28 03:07:13,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-28 03:07:13,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-28 03:07:13,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2020-11-28 03:07:13,627 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 7 [2020-11-28 03:07:13,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:13,628 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2020-11-28 03:07:13,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:07:13,628 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2020-11-28 03:07:13,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 03:07:13,629 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:13,629 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:13,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:07:13,630 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 03:07:13,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:13,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1806819375, now seen corresponding path program 1 times [2020-11-28 03:07:13,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:13,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250010982] [2020-11-28 03:07:13,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:13,730 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 03:07:13,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250010982] [2020-11-28 03:07:13,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:07:13,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:07:13,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184393855] [2020-11-28 03:07:13,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:07:13,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:13,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:07:13,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:07:13,734 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 4 states. [2020-11-28 03:07:13,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:13,883 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2020-11-28 03:07:13,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:07:13,885 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-11-28 03:07:13,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:13,886 INFO L225 Difference]: With dead ends: 54 [2020-11-28 03:07:13,886 INFO L226 Difference]: Without dead ends: 52 [2020-11-28 03:07:13,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 03:07:13,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-11-28 03:07:13,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 33. [2020-11-28 03:07:13,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-28 03:07:13,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2020-11-28 03:07:13,901 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 7 [2020-11-28 03:07:13,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:13,901 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2020-11-28 03:07:13,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:07:13,902 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2020-11-28 03:07:13,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 03:07:13,903 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:13,903 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:13,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:07:13,905 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 03:07:13,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:13,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1186818322, now seen corresponding path program 1 times [2020-11-28 03:07:13,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:13,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158636534] [2020-11-28 03:07:13,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:13,993 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 03:07:13,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158636534] [2020-11-28 03:07:13,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:07:13,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:07:13,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117432336] [2020-11-28 03:07:13,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:07:13,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:13,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:07:13,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:07:13,996 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand 4 states. [2020-11-28 03:07:14,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:14,117 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2020-11-28 03:07:14,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:07:14,119 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-28 03:07:14,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:14,120 INFO L225 Difference]: With dead ends: 52 [2020-11-28 03:07:14,120 INFO L226 Difference]: Without dead ends: 50 [2020-11-28 03:07:14,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 03:07:14,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-11-28 03:07:14,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 31. [2020-11-28 03:07:14,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-28 03:07:14,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2020-11-28 03:07:14,137 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 9 [2020-11-28 03:07:14,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:14,138 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2020-11-28 03:07:14,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:07:14,138 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2020-11-28 03:07:14,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 03:07:14,140 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:14,141 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:14,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:07:14,142 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 03:07:14,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:14,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1928706379, now seen corresponding path program 1 times [2020-11-28 03:07:14,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:14,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452075881] [2020-11-28 03:07:14,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:14,159 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:07:14,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2030982955] [2020-11-28 03:07:14,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/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 03:07:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:14,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-28 03:07:14,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:14,287 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 03:07:14,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452075881] [2020-11-28 03:07:14,287 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:07:14,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030982955] [2020-11-28 03:07:14,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:07:14,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:07:14,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478107166] [2020-11-28 03:07:14,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:07:14,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:14,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:07:14,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:07:14,289 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand 4 states. [2020-11-28 03:07:14,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:14,457 INFO L93 Difference]: Finished difference Result 72 states and 78 transitions. [2020-11-28 03:07:14,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:07:14,458 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-11-28 03:07:14,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:14,459 INFO L225 Difference]: With dead ends: 72 [2020-11-28 03:07:14,459 INFO L226 Difference]: Without dead ends: 50 [2020-11-28 03:07:14,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 03:07:14,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-11-28 03:07:14,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 45. [2020-11-28 03:07:14,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-11-28 03:07:14,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2020-11-28 03:07:14,468 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 11 [2020-11-28 03:07:14,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:14,469 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2020-11-28 03:07:14,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:07:14,472 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2020-11-28 03:07:14,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 03:07:14,472 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:14,472 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:14,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:07:14,673 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 03:07:14,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:14,674 INFO L82 PathProgramCache]: Analyzing trace with hash -13373041, now seen corresponding path program 1 times [2020-11-28 03:07:14,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:14,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871606534] [2020-11-28 03:07:14,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:14,696 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:07:14,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1609494446] [2020-11-28 03:07:14,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/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 03:07:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:14,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-28 03:07:14,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:14,792 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 03:07:14,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871606534] [2020-11-28 03:07:14,792 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:07:14,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609494446] [2020-11-28 03:07:14,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:07:14,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:07:14,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896955946] [2020-11-28 03:07:14,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:07:14,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:14,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:07:14,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:07:14,794 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand 4 states. [2020-11-28 03:07:14,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:14,907 INFO L93 Difference]: Finished difference Result 63 states and 68 transitions. [2020-11-28 03:07:14,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:07:14,910 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-11-28 03:07:14,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:14,911 INFO L225 Difference]: With dead ends: 63 [2020-11-28 03:07:14,911 INFO L226 Difference]: Without dead ends: 52 [2020-11-28 03:07:14,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 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 03:07:14,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-11-28 03:07:14,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 46. [2020-11-28 03:07:14,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-11-28 03:07:14,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2020-11-28 03:07:14,928 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 14 [2020-11-28 03:07:14,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:14,928 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2020-11-28 03:07:14,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:07:14,929 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2020-11-28 03:07:14,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:07:14,930 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:14,930 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:15,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:07:15,148 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 03:07:15,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:15,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1886608768, now seen corresponding path program 1 times [2020-11-28 03:07:15,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:15,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722348770] [2020-11-28 03:07:15,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:15,163 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:07:15,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1740942637] [2020-11-28 03:07:15,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/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 03:07:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:15,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-28 03:07:15,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:15,298 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:15,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722348770] [2020-11-28 03:07:15,298 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:07:15,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740942637] [2020-11-28 03:07:15,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:07:15,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-11-28 03:07:15,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610857734] [2020-11-28 03:07:15,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:07:15,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:15,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:07:15,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:07:15,300 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand 5 states. [2020-11-28 03:07:15,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:15,467 INFO L93 Difference]: Finished difference Result 108 states and 125 transitions. [2020-11-28 03:07:15,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:07:15,468 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-11-28 03:07:15,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:15,469 INFO L225 Difference]: With dead ends: 108 [2020-11-28 03:07:15,469 INFO L226 Difference]: Without dead ends: 71 [2020-11-28 03:07:15,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:07:15,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-28 03:07:15,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 66. [2020-11-28 03:07:15,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-11-28 03:07:15,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 73 transitions. [2020-11-28 03:07:15,487 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 73 transitions. Word has length 18 [2020-11-28 03:07:15,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:15,489 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 73 transitions. [2020-11-28 03:07:15,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:07:15,489 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2020-11-28 03:07:15,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 03:07:15,490 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:15,490 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:15,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:07:15,717 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 03:07:15,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:15,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1314135125, now seen corresponding path program 2 times [2020-11-28 03:07:15,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:15,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065362322] [2020-11-28 03:07:15,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:15,735 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:07:15,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1154642975] [2020-11-28 03:07:15,738 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/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 03:07:15,811 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-28 03:07:15,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-28 03:07:15,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 17 conjunts are in the unsatisfiable core [2020-11-28 03:07:15,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:15,879 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:15,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065362322] [2020-11-28 03:07:15,880 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:07:15,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154642975] [2020-11-28 03:07:15,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:07:15,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-11-28 03:07:15,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222060125] [2020-11-28 03:07:15,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:07:15,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:15,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:07:15,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:07:15,882 INFO L87 Difference]: Start difference. First operand 66 states and 73 transitions. Second operand 6 states. [2020-11-28 03:07:16,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:16,159 INFO L93 Difference]: Finished difference Result 142 states and 167 transitions. [2020-11-28 03:07:16,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:07:16,160 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2020-11-28 03:07:16,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:16,161 INFO L225 Difference]: With dead ends: 142 [2020-11-28 03:07:16,161 INFO L226 Difference]: Without dead ends: 105 [2020-11-28 03:07:16,162 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:07:16,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-11-28 03:07:16,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 85. [2020-11-28 03:07:16,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-11-28 03:07:16,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2020-11-28 03:07:16,190 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 25 [2020-11-28 03:07:16,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:16,191 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2020-11-28 03:07:16,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:07:16,191 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2020-11-28 03:07:16,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 03:07:16,192 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:16,192 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:16,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:07:16,396 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 03:07:16,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:16,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1085203663, now seen corresponding path program 1 times [2020-11-28 03:07:16,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:16,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302437048] [2020-11-28 03:07:16,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:16,408 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:07:16,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1386432497] [2020-11-28 03:07:16,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/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 03:07:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:16,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 25 conjunts are in the unsatisfiable core [2020-11-28 03:07:16,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:16,580 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:16,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302437048] [2020-11-28 03:07:16,581 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:07:16,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386432497] [2020-11-28 03:07:16,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:07:16,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-11-28 03:07:16,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683623158] [2020-11-28 03:07:16,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:07:16,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:16,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:07:16,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:07:16,583 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 6 states. [2020-11-28 03:07:16,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:16,845 INFO L93 Difference]: Finished difference Result 102 states and 112 transitions. [2020-11-28 03:07:16,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:07:16,845 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-11-28 03:07:16,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:16,847 INFO L225 Difference]: With dead ends: 102 [2020-11-28 03:07:16,847 INFO L226 Difference]: Without dead ends: 100 [2020-11-28 03:07:16,847 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:07:16,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-11-28 03:07:16,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 93. [2020-11-28 03:07:16,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-11-28 03:07:16,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 104 transitions. [2020-11-28 03:07:16,871 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 104 transitions. Word has length 27 [2020-11-28 03:07:16,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:16,872 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 104 transitions. [2020-11-28 03:07:16,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:07:16,878 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2020-11-28 03:07:16,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:07:16,880 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:16,880 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:17,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:07:17,089 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 03:07:17,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:17,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1129109896, now seen corresponding path program 1 times [2020-11-28 03:07:17,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:17,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184422310] [2020-11-28 03:07:17,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:17,119 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:07:17,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [444174059] [2020-11-28 03:07:17,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/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 03:07:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:17,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 21 conjunts are in the unsatisfiable core [2020-11-28 03:07:17,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:17,276 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:17,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184422310] [2020-11-28 03:07:17,277 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:07:17,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444174059] [2020-11-28 03:07:17,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:07:17,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-28 03:07:17,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591541018] [2020-11-28 03:07:17,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:07:17,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:17,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:07:17,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:07:17,278 INFO L87 Difference]: Start difference. First operand 93 states and 104 transitions. Second operand 7 states. [2020-11-28 03:07:17,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:17,552 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2020-11-28 03:07:17,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:07:17,553 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2020-11-28 03:07:17,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:17,554 INFO L225 Difference]: With dead ends: 100 [2020-11-28 03:07:17,555 INFO L226 Difference]: Without dead ends: 85 [2020-11-28 03:07:17,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-11-28 03:07:17,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-11-28 03:07:17,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-11-28 03:07:17,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-11-28 03:07:17,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 95 transitions. [2020-11-28 03:07:17,576 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 95 transitions. Word has length 32 [2020-11-28 03:07:17,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:17,576 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 95 transitions. [2020-11-28 03:07:17,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:07:17,577 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2020-11-28 03:07:17,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:07:17,580 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:17,580 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:17,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:07:17,781 INFO L429 AbstractCegarLoop]: === Iteration 10 === [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 03:07:17,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:17,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1575226400, now seen corresponding path program 3 times [2020-11-28 03:07:17,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:17,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338375792] [2020-11-28 03:07:17,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:17,790 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:07:17,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2037362729] [2020-11-28 03:07:17,790 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/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 03:07:17,854 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-11-28 03:07:17,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-28 03:07:17,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-28 03:07:17,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:17,944 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-28 03:07:17,944 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:07:18,030 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-28 03:07:18,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338375792] [2020-11-28 03:07:18,030 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:07:18,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037362729] [2020-11-28 03:07:18,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:07:18,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-28 03:07:18,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795862466] [2020-11-28 03:07:18,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:07:18,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:18,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:07:18,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:07:18,032 INFO L87 Difference]: Start difference. First operand 85 states and 95 transitions. Second operand 7 states. [2020-11-28 03:07:18,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:18,286 INFO L93 Difference]: Finished difference Result 96 states and 107 transitions. [2020-11-28 03:07:18,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:07:18,286 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2020-11-28 03:07:18,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:18,287 INFO L225 Difference]: With dead ends: 96 [2020-11-28 03:07:18,287 INFO L226 Difference]: Without dead ends: 86 [2020-11-28 03:07:18,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:07:18,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-11-28 03:07:18,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-11-28 03:07:18,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-11-28 03:07:18,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 95 transitions. [2020-11-28 03:07:18,302 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 95 transitions. Word has length 32 [2020-11-28 03:07:18,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:18,303 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 95 transitions. [2020-11-28 03:07:18,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:07:18,303 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2020-11-28 03:07:18,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 03:07:18,304 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:18,304 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:18,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-28 03:07:18,513 INFO L429 AbstractCegarLoop]: === Iteration 11 === [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 03:07:18,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:18,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1042348646, now seen corresponding path program 2 times [2020-11-28 03:07:18,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:18,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179596097] [2020-11-28 03:07:18,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:18,522 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:07:18,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1966519462] [2020-11-28 03:07:18,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/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 03:07:18,575 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-28 03:07:18,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-28 03:07:18,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 29 conjunts are in the unsatisfiable core [2020-11-28 03:07:18,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:18,692 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:18,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179596097] [2020-11-28 03:07:18,693 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:07:18,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966519462] [2020-11-28 03:07:18,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:07:18,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-28 03:07:18,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409529987] [2020-11-28 03:07:18,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:07:18,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:18,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:07:18,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:07:18,697 INFO L87 Difference]: Start difference. First operand 86 states and 95 transitions. Second operand 7 states. [2020-11-28 03:07:19,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:19,071 INFO L93 Difference]: Finished difference Result 99 states and 107 transitions. [2020-11-28 03:07:19,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:07:19,072 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-11-28 03:07:19,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:19,073 INFO L225 Difference]: With dead ends: 99 [2020-11-28 03:07:19,073 INFO L226 Difference]: Without dead ends: 97 [2020-11-28 03:07:19,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-11-28 03:07:19,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-11-28 03:07:19,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 88. [2020-11-28 03:07:19,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-11-28 03:07:19,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 96 transitions. [2020-11-28 03:07:19,088 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 96 transitions. Word has length 34 [2020-11-28 03:07:19,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:19,089 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 96 transitions. [2020-11-28 03:07:19,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:07:19,089 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2020-11-28 03:07:19,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 03:07:19,090 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:19,091 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:19,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-11-28 03:07:19,305 INFO L429 AbstractCegarLoop]: === Iteration 12 === [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 03:07:19,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:19,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1894983429, now seen corresponding path program 3 times [2020-11-28 03:07:19,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:19,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579927925] [2020-11-28 03:07:19,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:19,326 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:07:19,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1321924930] [2020-11-28 03:07:19,326 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:07:19,398 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-11-28 03:07:19,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-28 03:07:19,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-28 03:07:19,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:19,445 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-11-28 03:07:19,446 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:07:19,722 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:07:19,743 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 03:07:19,833 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 03:07:20,008 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 03:07:20,010 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 03:07:20,193 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:20,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579927925] [2020-11-28 03:07:20,194 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:07:20,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321924930] [2020-11-28 03:07:20,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:07:20,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-11-28 03:07:20,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437772052] [2020-11-28 03:07:20,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-28 03:07:20,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:20,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-28 03:07:20,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:07:20,197 INFO L87 Difference]: Start difference. First operand 88 states and 96 transitions. Second operand 9 states. [2020-11-28 03:07:20,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:20,729 INFO L93 Difference]: Finished difference Result 106 states and 112 transitions. [2020-11-28 03:07:20,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:07:20,730 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2020-11-28 03:07:20,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:20,731 INFO L225 Difference]: With dead ends: 106 [2020-11-28 03:07:20,731 INFO L226 Difference]: Without dead ends: 63 [2020-11-28 03:07:20,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2020-11-28 03:07:20,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-11-28 03:07:20,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 56. [2020-11-28 03:07:20,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-11-28 03:07:20,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2020-11-28 03:07:20,745 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 40 [2020-11-28 03:07:20,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:20,746 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2020-11-28 03:07:20,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-28 03:07:20,746 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2020-11-28 03:07:20,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 03:07:20,753 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:20,753 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:20,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:07:20,981 INFO L429 AbstractCegarLoop]: === Iteration 13 === [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 03:07:20,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:20,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1501956419, now seen corresponding path program 1 times [2020-11-28 03:07:20,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:20,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972727578] [2020-11-28 03:07:20,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:21,000 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:07:21,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2132681527] [2020-11-28 03:07:21,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/bin/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:07:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:21,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:07:21,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:21,198 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 03:07:21,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972727578] [2020-11-28 03:07:21,199 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:07:21,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132681527] [2020-11-28 03:07:21,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:07:21,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:07:21,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596676691] [2020-11-28 03:07:21,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:07:21,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:21,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:07:21,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:07:21,207 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand 6 states. [2020-11-28 03:07:21,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:21,358 INFO L93 Difference]: Finished difference Result 63 states and 62 transitions. [2020-11-28 03:07:21,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:07:21,359 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2020-11-28 03:07:21,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:21,359 INFO L225 Difference]: With dead ends: 63 [2020-11-28 03:07:21,359 INFO L226 Difference]: Without dead ends: 46 [2020-11-28 03:07:21,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:07:21,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-11-28 03:07:21,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-11-28 03:07:21,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-11-28 03:07:21,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 45 transitions. [2020-11-28 03:07:21,371 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 45 transitions. Word has length 40 [2020-11-28 03:07:21,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:21,372 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 45 transitions. [2020-11-28 03:07:21,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:07:21,372 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 45 transitions. [2020-11-28 03:07:21,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 03:07:21,372 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:21,373 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:21,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:07:21,593 INFO L429 AbstractCegarLoop]: === Iteration 14 === [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 03:07:21,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:21,594 INFO L82 PathProgramCache]: Analyzing trace with hash 997635076, now seen corresponding path program 1 times [2020-11-28 03:07:21,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:21,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406306437] [2020-11-28 03:07:21,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:21,602 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:07:21,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [803802093] [2020-11-28 03:07:21,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/bin/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:07:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:21,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 37 conjunts are in the unsatisfiable core [2020-11-28 03:07:21,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:21,933 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:21,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406306437] [2020-11-28 03:07:21,933 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:07:21,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803802093] [2020-11-28 03:07:21,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:07:21,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-11-28 03:07:21,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371318653] [2020-11-28 03:07:21,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-28 03:07:21,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:21,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-28 03:07:21,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-28 03:07:21,936 INFO L87 Difference]: Start difference. First operand 46 states and 45 transitions. Second operand 11 states. [2020-11-28 03:07:22,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:22,289 INFO L93 Difference]: Finished difference Result 46 states and 45 transitions. [2020-11-28 03:07:22,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-28 03:07:22,289 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 45 [2020-11-28 03:07:22,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:22,290 INFO L225 Difference]: With dead ends: 46 [2020-11-28 03:07:22,290 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:07:22,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2020-11-28 03:07:22,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:07:22,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:07:22,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:07:22,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:07:22,291 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2020-11-28 03:07:22,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:22,291 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:07:22,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-28 03:07:22,291 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:07:22,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:07:22,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-28 03:07:22,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:07:22,961 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 48 [2020-11-28 03:07:23,166 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2020-11-28 03:07:23,757 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 61 [2020-11-28 03:07:23,967 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2020-11-28 03:07:24,404 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 68 [2020-11-28 03:07:24,655 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2020-11-28 03:07:24,664 INFO L277 CegarLoopResult]: At program point L60(lines 22 61) the Hoare annotation is: true [2020-11-28 03:07:24,664 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-28 03:07:24,664 INFO L274 CegarLoopResult]: For program point L52(lines 52 55) no Hoare annotation was computed. [2020-11-28 03:07:24,664 INFO L274 CegarLoopResult]: For program point L52-2(lines 22 61) no Hoare annotation was computed. [2020-11-28 03:07:24,664 INFO L274 CegarLoopResult]: For program point L11(lines 11 13) no Hoare annotation was computed. [2020-11-28 03:07:24,664 INFO L274 CegarLoopResult]: For program point L44-1(lines 44 56) no Hoare annotation was computed. [2020-11-28 03:07:24,664 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-28 03:07:24,664 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:07:24,664 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:07:24,664 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:07:24,664 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-28 03:07:24,665 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-28 03:07:24,665 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-28 03:07:24,665 INFO L274 CegarLoopResult]: For program point L15(lines 15 18) no Hoare annotation was computed. [2020-11-28 03:07:24,665 INFO L270 CegarLoopResult]: At program point L15-1(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 0 ULTIMATE.start_main_~A~0)) (.cse1 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse2 (= ULTIMATE.start_main_~q~0 0)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse4 (= ULTIMATE.start_main_~A~0 ULTIMATE.start_main_~r~0)) (.cse5 (<= ULTIMATE.start_main_~A~0 2))) (or (and .cse0 (= ULTIMATE.start_main_~d~0 2) .cse1 (= ULTIMATE.start_main_~p~0 2) .cse2 .cse3 .cse4 .cse5 (= (* ULTIMATE.start_main_~B~0 2) ULTIMATE.start_main_~d~0)) (and (= ULTIMATE.start_main_~p~0 4) (= ULTIMATE.start_main_~d~0 (* ULTIMATE.start_main_~B~0 4)) (exists ((aux_div_v_ULTIMATE.start_main_~d~0_28_37 Int) (aux_mod_v_ULTIMATE.start_main_~d~0_28_37 Int)) (and (<= (+ (* 4 aux_div_v_ULTIMATE.start_main_~d~0_28_37) (* 2 aux_mod_v_ULTIMATE.start_main_~d~0_28_37)) ULTIMATE.start_main_~d~0) (<= 1 aux_div_v_ULTIMATE.start_main_~d~0_28_37) (< aux_mod_v_ULTIMATE.start_main_~d~0_28_37 2) (<= 0 aux_mod_v_ULTIMATE.start_main_~d~0_28_37))) .cse1 .cse2 .cse3 .cse4 .cse5 (<= (div (* ULTIMATE.start_main_~d~0 (- 1)) (- 2)) ULTIMATE.start_main_~r~0)) (and .cse0 .cse1 (= ULTIMATE.start_main_~B~0 ULTIMATE.start_main_~d~0) (= ULTIMATE.start_main_~p~0 1) .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_main_~d~0 1)))) [2020-11-28 03:07:24,665 INFO L274 CegarLoopResult]: For program point L15-2(lines 15 18) no Hoare annotation was computed. [2020-11-28 03:07:24,665 INFO L270 CegarLoopResult]: At program point L15-3(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 0 ULTIMATE.start_main_~A~0)) (.cse1 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse2 (= ULTIMATE.start_main_~q~0 0)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse4 (= ULTIMATE.start_main_~A~0 ULTIMATE.start_main_~r~0)) (.cse5 (<= ULTIMATE.start_main_~A~0 2))) (or (and .cse0 (= ULTIMATE.start_main_~d~0 2) .cse1 (= ULTIMATE.start_main_~p~0 2) .cse2 .cse3 .cse4 .cse5 (= (* ULTIMATE.start_main_~B~0 2) ULTIMATE.start_main_~d~0)) (and (= ULTIMATE.start_main_~p~0 4) (= ULTIMATE.start_main_~d~0 (* ULTIMATE.start_main_~B~0 4)) (exists ((aux_div_v_ULTIMATE.start_main_~d~0_28_37 Int) (aux_mod_v_ULTIMATE.start_main_~d~0_28_37 Int)) (and (<= (+ (* 4 aux_div_v_ULTIMATE.start_main_~d~0_28_37) (* 2 aux_mod_v_ULTIMATE.start_main_~d~0_28_37)) ULTIMATE.start_main_~d~0) (<= 1 aux_div_v_ULTIMATE.start_main_~d~0_28_37) (< aux_mod_v_ULTIMATE.start_main_~d~0_28_37 2) (<= 0 aux_mod_v_ULTIMATE.start_main_~d~0_28_37))) .cse1 .cse2 .cse3 .cse4 .cse5 (<= (div (* ULTIMATE.start_main_~d~0 (- 1)) (- 2)) ULTIMATE.start_main_~r~0)) (and .cse0 .cse1 (= ULTIMATE.start_main_~B~0 ULTIMATE.start_main_~d~0) (= ULTIMATE.start_main_~p~0 1) .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_main_~d~0 1)))) [2020-11-28 03:07:24,665 INFO L274 CegarLoopResult]: For program point L15-4(lines 15 18) no Hoare annotation was computed. [2020-11-28 03:07:24,665 INFO L270 CegarLoopResult]: At program point L15-5(line 38) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~d~0 (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~B~0))) (.cse0 (<= 0 ULTIMATE.start_main_~A~0)) (.cse2 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse3 (= ULTIMATE.start_main_~q~0 0)) (.cse4 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse5 (= ULTIMATE.start_main_~A~0 ULTIMATE.start_main_~r~0)) (.cse6 (<= ULTIMATE.start_main_~A~0 2))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~B~0 ULTIMATE.start_main_~d~0) .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_main_~d~0 1)) (and (= ULTIMATE.start_main_~d~0 (* ULTIMATE.start_main_~B~0 4)) .cse1 .cse2 (exists ((aux_div_v_ULTIMATE.start_main_~d~0_28_37 Int) (aux_mod_v_ULTIMATE.start_main_~d~0_28_37 Int)) (and (<= (+ (* 4 aux_div_v_ULTIMATE.start_main_~d~0_28_37) (* 2 aux_mod_v_ULTIMATE.start_main_~d~0_28_37)) ULTIMATE.start_main_~d~0) (<= 1 aux_div_v_ULTIMATE.start_main_~d~0_28_37) (< aux_mod_v_ULTIMATE.start_main_~d~0_28_37 2) (<= 0 aux_mod_v_ULTIMATE.start_main_~d~0_28_37))) .cse3 .cse4 .cse5 .cse6 (<= (div (* ULTIMATE.start_main_~d~0 (- 1)) (- 2)) ULTIMATE.start_main_~r~0)) (and .cse0 (= ULTIMATE.start_main_~d~0 2) .cse2 (= ULTIMATE.start_main_~p~0 2) .cse3 .cse4 .cse5 .cse6 (= (* ULTIMATE.start_main_~B~0 2) ULTIMATE.start_main_~d~0)))) [2020-11-28 03:07:24,665 INFO L274 CegarLoopResult]: For program point L15-6(lines 15 18) no Hoare annotation was computed. [2020-11-28 03:07:24,666 INFO L270 CegarLoopResult]: At program point L15-7(lines 14 20) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) (.cse5 (= ULTIMATE.start_main_~d~0 1)) (.cse6 (= ULTIMATE.start_main_~d~0 2)) (.cse1 (= ULTIMATE.start_main_~A~0 (+ ULTIMATE.start_main_~d~0 ULTIMATE.start_main_~r~0))) (.cse11 (<= 2 ULTIMATE.start_main_~A~0)) (.cse4 (= ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~p~0)) (.cse8 (= ULTIMATE.start_main_~p~0 2)) (.cse2 (= ULTIMATE.start_main_~B~0 ULTIMATE.start_main_~d~0)) (.cse3 (= ULTIMATE.start_main_~p~0 1)) (.cse7 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse9 (= ULTIMATE.start_main_~q~0 0)) (.cse12 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse10 (= ULTIMATE.start_main_~A~0 ULTIMATE.start_main_~r~0)) (.cse13 (<= ULTIMATE.start_main_~A~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse9 .cse10 (= (* ULTIMATE.start_main_~B~0 2) ULTIMATE.start_main_~d~0)) (and .cse0 (< ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~d~0) (= ULTIMATE.start_main_~q~0 2) .cse2 .cse11 .cse3 (= ULTIMATE.start_main_~A~0 (+ ULTIMATE.start_main_~r~0 2)) .cse12 .cse5) (and (= ULTIMATE.start_main_~d~0 (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~B~0)) .cse6 .cse1 .cse7 .cse11 .cse4 .cse8 .cse12 .cse13) (and (= ULTIMATE.start_main_~B~0 1) .cse7 .cse2 .cse3 .cse9 .cse10) (and (= ULTIMATE.start_main_~p~0 4) (= ULTIMATE.start_main_~d~0 (* (* (div (* ULTIMATE.start_main_~p~0 (- 1)) (- 2)) ULTIMATE.start_main_~B~0) 2)) (exists ((aux_div_v_ULTIMATE.start_main_~d~0_28_37 Int) (aux_mod_v_ULTIMATE.start_main_~d~0_28_37 Int)) (and (<= (+ (* 4 aux_div_v_ULTIMATE.start_main_~d~0_28_37) (* 2 aux_mod_v_ULTIMATE.start_main_~d~0_28_37)) ULTIMATE.start_main_~d~0) (<= 1 aux_div_v_ULTIMATE.start_main_~d~0_28_37) (< aux_mod_v_ULTIMATE.start_main_~d~0_28_37 2) (<= 0 aux_mod_v_ULTIMATE.start_main_~d~0_28_37))) .cse7 .cse9 .cse12 .cse10 .cse13 (<= (div (* ULTIMATE.start_main_~d~0 (- 1)) (- 2)) ULTIMATE.start_main_~r~0)))) [2020-11-28 03:07:24,666 INFO L274 CegarLoopResult]: For program point L15-8(lines 15 18) no Hoare annotation was computed. [2020-11-28 03:07:24,666 INFO L270 CegarLoopResult]: At program point L15-9(line 48) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_main_~q~0 0)) (.cse4 (= ULTIMATE.start_main_~A~0 ULTIMATE.start_main_~r~0)) (.cse1 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse5 (= ULTIMATE.start_main_~B~0 1)) (.cse6 (= ULTIMATE.start_main_~B~0 ULTIMATE.start_main_~d~0)) (.cse7 (= ULTIMATE.start_main_~p~0 1)) (.cse8 (= ULTIMATE.start_main_~d~0 (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~B~0))) (.cse0 (= ULTIMATE.start_main_~d~0 2)) (.cse9 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse12 (= ULTIMATE.start_main_~A~0 (+ ULTIMATE.start_main_~d~0 ULTIMATE.start_main_~r~0))) (.cse14 (<= 2 ULTIMATE.start_main_~A~0)) (.cse13 (= ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~p~0)) (.cse2 (= ULTIMATE.start_main_~p~0 2)) (.cse10 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse11 (<= ULTIMATE.start_main_~A~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= (* ULTIMATE.start_main_~B~0 2) ULTIMATE.start_main_~d~0)) (and .cse5 .cse1 .cse6 .cse7 .cse3 .cse4) (and (= ULTIMATE.start_main_~p~0 4) .cse8 .cse9 (exists ((aux_div_v_ULTIMATE.start_main_~d~0_28_37 Int) (aux_mod_v_ULTIMATE.start_main_~d~0_28_37 Int)) (and (<= (+ (* 4 aux_div_v_ULTIMATE.start_main_~d~0_28_37) (* 2 aux_mod_v_ULTIMATE.start_main_~d~0_28_37)) ULTIMATE.start_main_~d~0) (<= 1 aux_div_v_ULTIMATE.start_main_~d~0_28_37) (< aux_mod_v_ULTIMATE.start_main_~d~0_28_37 2) (<= 0 aux_mod_v_ULTIMATE.start_main_~d~0_28_37))) .cse3 .cse10 .cse4 .cse11 (<= (div (* ULTIMATE.start_main_~d~0 (- 1)) (- 2)) ULTIMATE.start_main_~r~0)) (and .cse12 .cse1 .cse6 .cse13 .cse7 (= ULTIMATE.start_main_~d~0 1)) (and .cse5 (= ULTIMATE.start_main_~q~0 2) .cse9 .cse14 .cse6 (= ULTIMATE.start_main_~A~0 (+ ULTIMATE.start_main_~r~0 2)) .cse7 .cse10 .cse11) (and .cse8 .cse0 .cse9 .cse12 .cse14 .cse13 .cse2 .cse10 .cse11))) [2020-11-28 03:07:24,666 INFO L274 CegarLoopResult]: For program point L15-10(lines 15 18) no Hoare annotation was computed. [2020-11-28 03:07:24,666 INFO L270 CegarLoopResult]: At program point L15-11(lines 14 20) the Hoare annotation is: (and (= ULTIMATE.start_main_~B~0 1) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (= ULTIMATE.start_main_~B~0 ULTIMATE.start_main_~d~0) (= ULTIMATE.start_main_~p~0 1)) [2020-11-28 03:07:24,666 INFO L274 CegarLoopResult]: For program point L15-12(lines 15 18) no Hoare annotation was computed. [2020-11-28 03:07:24,666 INFO L277 CegarLoopResult]: At program point L15-13(lines 14 20) the Hoare annotation is: true [2020-11-28 03:07:24,666 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:07:24,667 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-28 03:07:24,667 INFO L274 CegarLoopResult]: For program point L16(lines 16 17) no Hoare annotation was computed. [2020-11-28 03:07:24,667 INFO L274 CegarLoopResult]: For program point L16-1(lines 16 17) no Hoare annotation was computed. [2020-11-28 03:07:24,667 INFO L274 CegarLoopResult]: For program point L16-2(lines 16 17) no Hoare annotation was computed. [2020-11-28 03:07:24,668 INFO L274 CegarLoopResult]: For program point L16-3(lines 16 17) no Hoare annotation was computed. [2020-11-28 03:07:24,668 INFO L274 CegarLoopResult]: For program point L16-4(lines 16 17) no Hoare annotation was computed. [2020-11-28 03:07:24,668 INFO L274 CegarLoopResult]: For program point L16-5(lines 16 17) no Hoare annotation was computed. [2020-11-28 03:07:24,668 INFO L274 CegarLoopResult]: For program point L16-6(lines 16 17) no Hoare annotation was computed. [2020-11-28 03:07:24,668 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:07:24,668 INFO L270 CegarLoopResult]: At program point L34-2(lines 34 42) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~d~0 (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~B~0))) (.cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse6 (<= 0 ULTIMATE.start_main_~A~0)) (.cse2 (= ULTIMATE.start_main_~q~0 0)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse5 (<= ULTIMATE.start_main_~A~0 2)) (.cse4 (= ULTIMATE.start_main_~A~0 ULTIMATE.start_main_~r~0))) (or (and (= ULTIMATE.start_main_~p~0 4) .cse0 .cse1 (exists ((aux_div_v_ULTIMATE.start_main_~d~0_28_37 Int) (aux_mod_v_ULTIMATE.start_main_~d~0_28_37 Int)) (and (<= (+ (* 4 aux_div_v_ULTIMATE.start_main_~d~0_28_37) (* 2 aux_mod_v_ULTIMATE.start_main_~d~0_28_37)) ULTIMATE.start_main_~d~0) (<= 1 aux_div_v_ULTIMATE.start_main_~d~0_28_37) (< aux_mod_v_ULTIMATE.start_main_~d~0_28_37 2) (<= 0 aux_mod_v_ULTIMATE.start_main_~d~0_28_37))) .cse2 .cse3 .cse4 .cse5 (<= (div (* ULTIMATE.start_main_~d~0 (- 1)) (- 2)) ULTIMATE.start_main_~r~0)) (and .cse6 .cse0 (= ULTIMATE.start_main_~d~0 2) .cse1 (= ULTIMATE.start_main_~p~0 2) .cse2 .cse3 .cse4 .cse5) (and .cse6 (= ULTIMATE.start_main_~B~0 ULTIMATE.start_main_~d~0) (= ULTIMATE.start_main_~p~0 1) .cse2 .cse3 .cse5 .cse4 (= ULTIMATE.start_main_~d~0 1)))) [2020-11-28 03:07:24,668 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-28 03:07:24,677 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,679 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,686 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,687 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,687 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,687 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,687 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,689 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,690 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,690 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,690 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,690 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,692 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,692 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,692 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,692 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,693 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,696 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,696 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,698 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,698 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,698 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,699 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,699 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,706 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,706 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,707 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,707 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,707 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,710 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,710 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,710 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,713 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,713 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,714 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,714 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:07:24 BoogieIcfgContainer [2020-11-28 03:07:24,718 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:07:24,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:07:24,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:07:24,719 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:07:24,720 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:13" (3/4) ... [2020-11-28 03:07:24,723 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:07:24,739 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-11-28 03:07:24,740 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:07:24,740 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:07:24,740 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:07:24,778 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((p == 4 && d == p * B) && 1 == cond) && (\exists aux_div_v_ULTIMATE.start_main_~d~0_28_37 : int, aux_mod_v_ULTIMATE.start_main_~d~0_28_37 : int :: ((4 * aux_div_v_ULTIMATE.start_main_~d~0_28_37 + 2 * aux_mod_v_ULTIMATE.start_main_~d~0_28_37 <= d && 1 <= aux_div_v_ULTIMATE.start_main_~d~0_28_37) && aux_mod_v_ULTIMATE.start_main_~d~0_28_37 < 2) && 0 <= aux_mod_v_ULTIMATE.start_main_~d~0_28_37)) && q == 0) && cond == 1) && A == r) && A <= 2) && d * -1 / -2 <= r) || ((((((((0 <= A && d == p * B) && d == 2) && 1 == cond) && p == 2) && q == 0) && cond == 1) && A == r) && A <= 2)) || (((((((0 <= A && B == d) && p == 1) && q == 0) && cond == 1) && A <= 2) && A == r) && d == 1) [2020-11-28 03:07:24,778 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 <= A && d == 2) && 1 <= cond) && p == 2) && q == 0) && cond == 1) && A == r) && A <= 2) && B * 2 == d) || ((((((((p == 4 && d == B * 4) && (\exists aux_div_v_ULTIMATE.start_main_~d~0_28_37 : int, aux_mod_v_ULTIMATE.start_main_~d~0_28_37 : int :: ((4 * aux_div_v_ULTIMATE.start_main_~d~0_28_37 + 2 * aux_mod_v_ULTIMATE.start_main_~d~0_28_37 <= d && 1 <= aux_div_v_ULTIMATE.start_main_~d~0_28_37) && aux_mod_v_ULTIMATE.start_main_~d~0_28_37 < 2) && 0 <= aux_mod_v_ULTIMATE.start_main_~d~0_28_37)) && 1 <= cond) && q == 0) && cond == 1) && A == r) && A <= 2) && d * -1 / -2 <= r)) || ((((((((0 <= A && 1 <= cond) && B == d) && p == 1) && q == 0) && cond == 1) && A == r) && A <= 2) && d == 1) [2020-11-28 03:07:24,778 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(0 == cond) && A == d + r) && B == d) && p == 1) && q == p) && d == 1) || (((((d == 2 && 1 <= cond) && p == 2) && q == 0) && A == r) && B * 2 == d)) || ((((((((!(0 == cond) && r < d) && q == 2) && B == d) && 2 <= A) && p == 1) && A == r + 2) && cond == 1) && d == 1)) || ((((((((d == p * B && d == 2) && A == d + r) && 1 <= cond) && 2 <= A) && q == p) && p == 2) && cond == 1) && A <= 2)) || (((((B == 1 && 1 <= cond) && B == d) && p == 1) && q == 0) && A == r)) || ((((((((p == 4 && d == p * -1 / -2 * B * 2) && (\exists aux_div_v_ULTIMATE.start_main_~d~0_28_37 : int, aux_mod_v_ULTIMATE.start_main_~d~0_28_37 : int :: ((4 * aux_div_v_ULTIMATE.start_main_~d~0_28_37 + 2 * aux_mod_v_ULTIMATE.start_main_~d~0_28_37 <= d && 1 <= aux_div_v_ULTIMATE.start_main_~d~0_28_37) && aux_mod_v_ULTIMATE.start_main_~d~0_28_37 < 2) && 0 <= aux_mod_v_ULTIMATE.start_main_~d~0_28_37)) && 1 <= cond) && q == 0) && cond == 1) && A == r) && A <= 2) && d * -1 / -2 <= r) [2020-11-28 03:07:24,779 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 <= A && d == 2) && 1 <= cond) && p == 2) && q == 0) && cond == 1) && A == r) && A <= 2) && B * 2 == d) || ((((((((p == 4 && d == B * 4) && (\exists aux_div_v_ULTIMATE.start_main_~d~0_28_37 : int, aux_mod_v_ULTIMATE.start_main_~d~0_28_37 : int :: ((4 * aux_div_v_ULTIMATE.start_main_~d~0_28_37 + 2 * aux_mod_v_ULTIMATE.start_main_~d~0_28_37 <= d && 1 <= aux_div_v_ULTIMATE.start_main_~d~0_28_37) && aux_mod_v_ULTIMATE.start_main_~d~0_28_37 < 2) && 0 <= aux_mod_v_ULTIMATE.start_main_~d~0_28_37)) && 1 <= cond) && q == 0) && cond == 1) && A == r) && A <= 2) && d * -1 / -2 <= r)) || ((((((((0 <= A && 1 <= cond) && B == d) && p == 1) && q == 0) && cond == 1) && A == r) && A <= 2) && d == 1) [2020-11-28 03:07:24,780 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((d == 2 && 1 <= cond) && p == 2) && q == 0) && A == r) && B * 2 == d) || (((((B == 1 && 1 <= cond) && B == d) && p == 1) && q == 0) && A == r)) || ((((((((p == 4 && d == p * B) && 1 == cond) && (\exists aux_div_v_ULTIMATE.start_main_~d~0_28_37 : int, aux_mod_v_ULTIMATE.start_main_~d~0_28_37 : int :: ((4 * aux_div_v_ULTIMATE.start_main_~d~0_28_37 + 2 * aux_mod_v_ULTIMATE.start_main_~d~0_28_37 <= d && 1 <= aux_div_v_ULTIMATE.start_main_~d~0_28_37) && aux_mod_v_ULTIMATE.start_main_~d~0_28_37 < 2) && 0 <= aux_mod_v_ULTIMATE.start_main_~d~0_28_37)) && q == 0) && cond == 1) && A == r) && A <= 2) && d * -1 / -2 <= r)) || (((((A == d + r && 1 <= cond) && B == d) && q == p) && p == 1) && d == 1)) || ((((((((B == 1 && q == 2) && 1 == cond) && 2 <= A) && B == d) && A == r + 2) && p == 1) && cond == 1) && A <= 2)) || ((((((((d == p * B && d == 2) && 1 == cond) && A == d + r) && 2 <= A) && q == p) && p == 2) && cond == 1) && A <= 2) [2020-11-28 03:07:24,781 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 <= A && d == p * B) && 1 == cond) && B == d) && q == 0) && cond == 1) && A == r) && A <= 2) && d == 1) || ((((((((d == B * 4 && d == p * B) && 1 == cond) && (\exists aux_div_v_ULTIMATE.start_main_~d~0_28_37 : int, aux_mod_v_ULTIMATE.start_main_~d~0_28_37 : int :: ((4 * aux_div_v_ULTIMATE.start_main_~d~0_28_37 + 2 * aux_mod_v_ULTIMATE.start_main_~d~0_28_37 <= d && 1 <= aux_div_v_ULTIMATE.start_main_~d~0_28_37) && aux_mod_v_ULTIMATE.start_main_~d~0_28_37 < 2) && 0 <= aux_mod_v_ULTIMATE.start_main_~d~0_28_37)) && q == 0) && cond == 1) && A == r) && A <= 2) && d * -1 / -2 <= r)) || ((((((((0 <= A && d == 2) && 1 == cond) && p == 2) && q == 0) && cond == 1) && A == r) && A <= 2) && B * 2 == d) [2020-11-28 03:07:24,817 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f86321f7-a942-42bf-9777-127070627a93/bin/uautomizer/witness.graphml [2020-11-28 03:07:24,818 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:07:24,819 INFO L168 Benchmark]: Toolchain (without parser) took 12444.55 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 67.9 MB in the beginning and 40.6 MB in the end (delta: 27.4 MB). Peak memory consumption was 49.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:24,819 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 104.9 MB. Free memory is still 83.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:07:24,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.08 ms. Allocated memory is still 104.9 MB. Free memory was 67.8 MB in the beginning and 80.4 MB in the end (delta: -12.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:24,820 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.04 ms. Allocated memory is still 104.9 MB. Free memory was 80.4 MB in the beginning and 78.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:24,821 INFO L168 Benchmark]: Boogie Preprocessor took 25.83 ms. Allocated memory is still 104.9 MB. Free memory was 78.9 MB in the beginning and 77.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:07:24,821 INFO L168 Benchmark]: RCFGBuilder took 408.18 ms. Allocated memory is still 104.9 MB. Free memory was 77.6 MB in the beginning and 61.8 MB in the end (delta: 15.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:24,822 INFO L168 Benchmark]: TraceAbstraction took 11491.92 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 61.6 MB in the beginning and 43.7 MB in the end (delta: 17.8 MB). Peak memory consumption was 56.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:24,822 INFO L168 Benchmark]: Witness Printer took 99.05 ms. Allocated memory is still 127.9 MB. Free memory was 43.7 MB in the beginning and 40.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:24,825 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 104.9 MB. Free memory is still 83.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 352.08 ms. Allocated memory is still 104.9 MB. Free memory was 67.8 MB in the beginning and 80.4 MB in the end (delta: -12.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.04 ms. Allocated memory is still 104.9 MB. Free memory was 80.4 MB in the beginning and 78.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.83 ms. Allocated memory is still 104.9 MB. Free memory was 78.9 MB in the beginning and 77.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 408.18 ms. Allocated memory is still 104.9 MB. Free memory was 77.6 MB in the beginning and 61.8 MB in the end (delta: 15.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11491.92 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 61.6 MB in the beginning and 43.7 MB in the end (delta: 17.8 MB). Peak memory consumption was 56.2 MB. Max. memory is 16.1 GB. * Witness Printer took 99.05 ms. Allocated memory is still 127.9 MB. Free memory was 43.7 MB in the beginning and 40.6 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[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,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: 38]: Loop Invariant [2020-11-28 03:07:24,843 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,843 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,843 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,843 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,844 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,847 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,848 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,848 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,848 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,849 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] Derived loop invariant: (((((((((0 <= A && d == p * B) && 1 == cond) && B == d) && q == 0) && cond == 1) && A == r) && A <= 2) && d == 1) || ((((((((d == B * 4 && d == p * B) && 1 == cond) && (\exists aux_div_v_ULTIMATE.start_main_~d~0_28_37 : int, aux_mod_v_ULTIMATE.start_main_~d~0_28_37 : int :: ((4 * aux_div_v_ULTIMATE.start_main_~d~0_28_37 + 2 * aux_mod_v_ULTIMATE.start_main_~d~0_28_37 <= d && 1 <= aux_div_v_ULTIMATE.start_main_~d~0_28_37) && aux_mod_v_ULTIMATE.start_main_~d~0_28_37 < 2) && 0 <= aux_mod_v_ULTIMATE.start_main_~d~0_28_37)) && q == 0) && cond == 1) && A == r) && A <= 2) && d * -1 / -2 <= r)) || ((((((((0 <= A && d == 2) && 1 == cond) && p == 2) && q == 0) && cond == 1) && A == r) && A <= 2) && B * 2 == d) - InvariantResult [Line: 34]: Loop Invariant [2020-11-28 03:07:24,850 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,850 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,850 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,851 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,851 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] Derived loop invariant: (((((((((p == 4 && d == p * B) && 1 == cond) && (\exists aux_div_v_ULTIMATE.start_main_~d~0_28_37 : int, aux_mod_v_ULTIMATE.start_main_~d~0_28_37 : int :: ((4 * aux_div_v_ULTIMATE.start_main_~d~0_28_37 + 2 * aux_mod_v_ULTIMATE.start_main_~d~0_28_37 <= d && 1 <= aux_div_v_ULTIMATE.start_main_~d~0_28_37) && aux_mod_v_ULTIMATE.start_main_~d~0_28_37 < 2) && 0 <= aux_mod_v_ULTIMATE.start_main_~d~0_28_37)) && q == 0) && cond == 1) && A == r) && A <= 2) && d * -1 / -2 <= r) || ((((((((0 <= A && d == p * B) && d == 2) && 1 == cond) && p == 2) && q == 0) && cond == 1) && A == r) && A <= 2)) || (((((((0 <= A && B == d) && p == 1) && q == 0) && cond == 1) && A <= 2) && A == r) && d == 1) - InvariantResult [Line: 48]: Loop Invariant [2020-11-28 03:07:24,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] Derived loop invariant: (((((((((d == 2 && 1 <= cond) && p == 2) && q == 0) && A == r) && B * 2 == d) || (((((B == 1 && 1 <= cond) && B == d) && p == 1) && q == 0) && A == r)) || ((((((((p == 4 && d == p * B) && 1 == cond) && (\exists aux_div_v_ULTIMATE.start_main_~d~0_28_37 : int, aux_mod_v_ULTIMATE.start_main_~d~0_28_37 : int :: ((4 * aux_div_v_ULTIMATE.start_main_~d~0_28_37 + 2 * aux_mod_v_ULTIMATE.start_main_~d~0_28_37 <= d && 1 <= aux_div_v_ULTIMATE.start_main_~d~0_28_37) && aux_mod_v_ULTIMATE.start_main_~d~0_28_37 < 2) && 0 <= aux_mod_v_ULTIMATE.start_main_~d~0_28_37)) && q == 0) && cond == 1) && A == r) && A <= 2) && d * -1 / -2 <= r)) || (((((A == d + r && 1 <= cond) && B == d) && q == p) && p == 1) && d == 1)) || ((((((((B == 1 && q == 2) && 1 == cond) && 2 <= A) && B == d) && A == r + 2) && p == 1) && cond == 1) && A <= 2)) || ((((((((d == p * B && d == 2) && 1 == cond) && A == d + r) && 2 <= A) && q == p) && p == 2) && cond == 1) && A <= 2) - InvariantResult [Line: 14]: Loop Invariant [2020-11-28 03:07:24,864 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,865 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,865 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,865 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,865 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] Derived loop invariant: (((((((((0 <= A && d == 2) && 1 <= cond) && p == 2) && q == 0) && cond == 1) && A == r) && A <= 2) && B * 2 == d) || ((((((((p == 4 && d == B * 4) && (\exists aux_div_v_ULTIMATE.start_main_~d~0_28_37 : int, aux_mod_v_ULTIMATE.start_main_~d~0_28_37 : int :: ((4 * aux_div_v_ULTIMATE.start_main_~d~0_28_37 + 2 * aux_mod_v_ULTIMATE.start_main_~d~0_28_37 <= d && 1 <= aux_div_v_ULTIMATE.start_main_~d~0_28_37) && aux_mod_v_ULTIMATE.start_main_~d~0_28_37 < 2) && 0 <= aux_mod_v_ULTIMATE.start_main_~d~0_28_37)) && 1 <= cond) && q == 0) && cond == 1) && A == r) && A <= 2) && d * -1 / -2 <= r)) || ((((((((0 <= A && 1 <= cond) && B == d) && p == 1) && q == 0) && cond == 1) && A == r) && A <= 2) && d == 1) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant [2020-11-28 03:07:24,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] Derived loop invariant: (((((((((!(0 == cond) && A == d + r) && B == d) && p == 1) && q == p) && d == 1) || (((((d == 2 && 1 <= cond) && p == 2) && q == 0) && A == r) && B * 2 == d)) || ((((((((!(0 == cond) && r < d) && q == 2) && B == d) && 2 <= A) && p == 1) && A == r + 2) && cond == 1) && d == 1)) || ((((((((d == p * B && d == 2) && A == d + r) && 1 <= cond) && 2 <= A) && q == p) && p == 2) && cond == 1) && A <= 2)) || (((((B == 1 && 1 <= cond) && B == d) && p == 1) && q == 0) && A == r)) || ((((((((p == 4 && d == p * -1 / -2 * B * 2) && (\exists aux_div_v_ULTIMATE.start_main_~d~0_28_37 : int, aux_mod_v_ULTIMATE.start_main_~d~0_28_37 : int :: ((4 * aux_div_v_ULTIMATE.start_main_~d~0_28_37 + 2 * aux_mod_v_ULTIMATE.start_main_~d~0_28_37 <= d && 1 <= aux_div_v_ULTIMATE.start_main_~d~0_28_37) && aux_mod_v_ULTIMATE.start_main_~d~0_28_37 < 2) && 0 <= aux_mod_v_ULTIMATE.start_main_~d~0_28_37)) && 1 <= cond) && q == 0) && cond == 1) && A == r) && A <= 2) && d * -1 / -2 <= r) - InvariantResult [Line: 14]: Loop Invariant [2020-11-28 03:07:24,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] [2020-11-28 03:07:24,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_ULTIMATE.start_main_~d~0_28_37,QUANTIFIED] Derived loop invariant: (((((((((0 <= A && d == 2) && 1 <= cond) && p == 2) && q == 0) && cond == 1) && A == r) && A <= 2) && B * 2 == d) || ((((((((p == 4 && d == B * 4) && (\exists aux_div_v_ULTIMATE.start_main_~d~0_28_37 : int, aux_mod_v_ULTIMATE.start_main_~d~0_28_37 : int :: ((4 * aux_div_v_ULTIMATE.start_main_~d~0_28_37 + 2 * aux_mod_v_ULTIMATE.start_main_~d~0_28_37 <= d && 1 <= aux_div_v_ULTIMATE.start_main_~d~0_28_37) && aux_mod_v_ULTIMATE.start_main_~d~0_28_37 < 2) && 0 <= aux_mod_v_ULTIMATE.start_main_~d~0_28_37)) && 1 <= cond) && q == 0) && cond == 1) && A == r) && A <= 2) && d * -1 / -2 <= r)) || ((((((((0 <= A && 1 <= cond) && B == d) && p == 1) && q == 0) && cond == 1) && A == r) && A <= 2) && d == 1) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ((B == 1 && !(0 == cond)) && B == d) && p == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 39 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.1s, OverallIterations: 14, TraceHistogramMax: 4, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 336 SDtfs, 455 SDslu, 638 SDs, 0 SdLazy, 1225 SolverSat, 179 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 350 GetRequests, 260 SyntacticMatches, 3 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 97 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 37 NumberOfFragments, 815 HoareAnnotationTreeSize, 9 FomulaSimplifications, 1620 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1047 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 341 NumberOfCodeBlocks, 327 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 327 ConstructedInterpolants, 13 QuantifiedInterpolants, 112788 SizeOfPredicates, 66 NumberOfNonLiveVariables, 1255 ConjunctsInSsa, 196 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 92/207 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...