./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d9c82f96058e75055db08c6be05f7339c74a06f1004576b8854261e31deb5a7c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:30:42,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:30:42,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:30:43,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:30:43,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:30:43,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:30:43,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:30:43,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:30:43,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:30:43,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:30:43,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:30:43,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:30:43,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:30:43,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:30:43,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:30:43,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:30:43,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:30:43,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:30:43,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:30:43,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:30:43,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:30:43,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:30:43,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:30:43,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:30:43,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:30:43,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:30:43,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:30:43,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:30:43,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:30:43,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:30:43,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:30:43,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:30:43,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:30:43,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:30:43,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:30:43,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:30:43,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:30:43,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:30:43,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:30:43,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:30:43,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:30:43,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-20 11:30:43,158 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:30:43,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:30:43,158 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:30:43,159 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:30:43,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:30:43,160 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:30:43,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:30:43,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:30:43,161 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:30:43,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:30:43,161 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:30:43,161 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:30:43,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:30:43,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:30:43,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:30:43,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:30:43,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:30:43,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:30:43,163 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 11:30:43,163 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:30:43,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:30:43,163 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:30:43,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:30:43,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:30:43,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:30:43,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:30:43,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:30:43,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:30:43,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:30:43,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:30:43,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:30:43,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:30:43,166 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:30:43,166 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:30:43,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:30:43,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9c82f96058e75055db08c6be05f7339c74a06f1004576b8854261e31deb5a7c [2022-11-20 11:30:43,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:30:43,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:30:43,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:30:43,507 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:30:43,507 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:30:43,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/loop-lit/cggmp2005.i [2022-11-20 11:30:46,595 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:30:46,789 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:30:46,789 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/sv-benchmarks/c/loop-lit/cggmp2005.i [2022-11-20 11:30:46,796 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/data/995ab61ee/ede78a0d39774d1ab771b8164ee567b4/FLAG1d3d86075 [2022-11-20 11:30:46,823 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/data/995ab61ee/ede78a0d39774d1ab771b8164ee567b4 [2022-11-20 11:30:46,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:30:46,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:30:46,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:30:46,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:30:46,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:30:46,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:30:46" (1/1) ... [2022-11-20 11:30:46,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bf3352a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:30:46, skipping insertion in model container [2022-11-20 11:30:46,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:30:46" (1/1) ... [2022-11-20 11:30:46,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:30:46,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:30:47,020 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/sv-benchmarks/c/loop-lit/cggmp2005.i[895,908] [2022-11-20 11:30:47,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:30:47,049 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:30:47,066 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/sv-benchmarks/c/loop-lit/cggmp2005.i[895,908] [2022-11-20 11:30:47,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:30:47,084 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:30:47,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:30:47 WrapperNode [2022-11-20 11:30:47,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:30:47,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:30:47,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:30:47,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:30:47,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:30:47" (1/1) ... [2022-11-20 11:30:47,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:30:47" (1/1) ... [2022-11-20 11:30:47,118 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2022-11-20 11:30:47,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:30:47,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:30:47,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:30:47,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:30:47,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:30:47" (1/1) ... [2022-11-20 11:30:47,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:30:47" (1/1) ... [2022-11-20 11:30:47,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:30:47" (1/1) ... [2022-11-20 11:30:47,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:30:47" (1/1) ... [2022-11-20 11:30:47,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:30:47" (1/1) ... [2022-11-20 11:30:47,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:30:47" (1/1) ... [2022-11-20 11:30:47,149 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:30:47" (1/1) ... [2022-11-20 11:30:47,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:30:47" (1/1) ... [2022-11-20 11:30:47,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:30:47,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:30:47,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:30:47,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:30:47,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:30:47" (1/1) ... [2022-11-20 11:30:47,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:30:47,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:30:47,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:30:47,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:30:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:30:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:30:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:30:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:30:47,322 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:30:47,325 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:30:47,482 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:30:47,487 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:30:47,488 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:30:47,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:30:47 BoogieIcfgContainer [2022-11-20 11:30:47,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:30:47,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:30:47,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:30:47,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:30:47,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:30:46" (1/3) ... [2022-11-20 11:30:47,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f8586fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:30:47, skipping insertion in model container [2022-11-20 11:30:47,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:30:47" (2/3) ... [2022-11-20 11:30:47,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f8586fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:30:47, skipping insertion in model container [2022-11-20 11:30:47,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:30:47" (3/3) ... [2022-11-20 11:30:47,504 INFO L112 eAbstractionObserver]: Analyzing ICFG cggmp2005.i [2022-11-20 11:30:47,526 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:30:47,526 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-20 11:30:47,597 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:30:47,605 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@65221293, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:30:47,605 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-20 11:30:47,610 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:47,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 11:30:47,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:47,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-20 11:30:47,618 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 11:30:47,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:47,626 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2022-11-20 11:30:47,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:30:47,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658830520] [2022-11-20 11:30:47,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:47,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:30:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:47,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:30:47,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:30:47,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658830520] [2022-11-20 11:30:47,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658830520] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:30:47,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:30:47,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:30:47,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359209467] [2022-11-20 11:30:47,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:30:47,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:30:47,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:30:47,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:30:47,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:30:47,957 INFO L87 Difference]: Start difference. First operand has 18 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:48,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:48,019 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2022-11-20 11:30:48,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:30:48,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-20 11:30:48,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:48,030 INFO L225 Difference]: With dead ends: 37 [2022-11-20 11:30:48,031 INFO L226 Difference]: Without dead ends: 14 [2022-11-20 11:30:48,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:30:48,037 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 8 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:30:48,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 25 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:30:48,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-20 11:30:48,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-20 11:30:48,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.4) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:48,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-11-20 11:30:48,072 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 4 [2022-11-20 11:30:48,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:48,073 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-11-20 11:30:48,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:48,073 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-11-20 11:30:48,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 11:30:48,074 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:48,074 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-20 11:30:48,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:30:48,076 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 11:30:48,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:48,077 INFO L85 PathProgramCache]: Analyzing trace with hash 889691398, now seen corresponding path program 1 times [2022-11-20 11:30:48,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:30:48,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401284551] [2022-11-20 11:30:48,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:48,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:30:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:48,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:30:48,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:30:48,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401284551] [2022-11-20 11:30:48,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401284551] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:30:48,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:30:48,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:30:48,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961212810] [2022-11-20 11:30:48,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:30:48,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:30:48,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:30:48,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:30:48,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:30:48,157 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:48,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:48,166 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2022-11-20 11:30:48,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:30:48,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-20 11:30:48,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:48,168 INFO L225 Difference]: With dead ends: 14 [2022-11-20 11:30:48,168 INFO L226 Difference]: Without dead ends: 13 [2022-11-20 11:30:48,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:30:48,170 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:30:48,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:30:48,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-20 11:30:48,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-20 11:30:48,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.3) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:48,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-11-20 11:30:48,175 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 6 [2022-11-20 11:30:48,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:48,176 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2022-11-20 11:30:48,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:48,176 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-11-20 11:30:48,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 11:30:48,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:48,177 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:30:48,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:30:48,178 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 11:30:48,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:48,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1810629611, now seen corresponding path program 1 times [2022-11-20 11:30:48,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:30:48,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915720659] [2022-11-20 11:30:48,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:48,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:30:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:48,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:30:48,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:30:48,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915720659] [2022-11-20 11:30:48,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915720659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:30:48,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:30:48,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:30:48,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615187561] [2022-11-20 11:30:48,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:30:48,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:30:48,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:30:48,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:30:48,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:30:48,221 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:48,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:48,234 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-20 11:30:48,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:30:48,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-20 11:30:48,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:48,236 INFO L225 Difference]: With dead ends: 16 [2022-11-20 11:30:48,236 INFO L226 Difference]: Without dead ends: 15 [2022-11-20 11:30:48,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:30:48,238 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:30:48,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:30:48,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-20 11:30:48,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-20 11:30:48,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.25) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:48,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-20 11:30:48,243 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 7 [2022-11-20 11:30:48,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:48,244 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-20 11:30:48,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:48,244 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-20 11:30:48,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 11:30:48,245 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:48,245 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:30:48,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:30:48,246 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 11:30:48,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:48,247 INFO L85 PathProgramCache]: Analyzing trace with hash 553302605, now seen corresponding path program 1 times [2022-11-20 11:30:48,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:30:48,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124591989] [2022-11-20 11:30:48,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:48,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:30:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:48,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:30:48,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:30:48,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124591989] [2022-11-20 11:30:48,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124591989] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:30:48,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097393781] [2022-11-20 11:30:48,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:48,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:30:48,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:30:48,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:30:48,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 11:30:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:48,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:30:48,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:30:48,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:30:48,478 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:30:48,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:30:48,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097393781] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:30:48,512 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:30:48,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-20 11:30:48,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139484454] [2022-11-20 11:30:48,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:30:48,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:30:48,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:30:48,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:30:48,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:30:48,515 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:48,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:48,557 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2022-11-20 11:30:48,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:30:48,558 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-20 11:30:48,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:48,559 INFO L225 Difference]: With dead ends: 30 [2022-11-20 11:30:48,559 INFO L226 Difference]: Without dead ends: 29 [2022-11-20 11:30:48,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:30:48,561 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 17 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:30:48,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 20 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:30:48,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-20 11:30:48,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2022-11-20 11:30:48,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:48,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-11-20 11:30:48,567 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 9 [2022-11-20 11:30:48,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:48,568 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-11-20 11:30:48,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:48,569 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-11-20 11:30:48,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 11:30:48,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:48,569 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 11:30:48,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:30:48,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:30:48,775 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 11:30:48,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:48,775 INFO L85 PathProgramCache]: Analyzing trace with hash -27488384, now seen corresponding path program 1 times [2022-11-20 11:30:48,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:30:48,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750140551] [2022-11-20 11:30:48,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:48,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:30:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:30:48,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:30:48,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750140551] [2022-11-20 11:30:48,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750140551] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:30:48,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104111324] [2022-11-20 11:30:48,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:48,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:30:48,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:30:48,852 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:30:48,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 11:30:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:48,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:30:48,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:30:48,921 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:30:48,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:30:48,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104111324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:30:48,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:30:48,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-11-20 11:30:48,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69485602] [2022-11-20 11:30:48,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:30:48,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:30:48,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:30:48,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:30:48,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:30:48,924 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:48,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:48,941 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-11-20 11:30:48,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:30:48,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-20 11:30:48,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:48,943 INFO L225 Difference]: With dead ends: 27 [2022-11-20 11:30:48,943 INFO L226 Difference]: Without dead ends: 26 [2022-11-20 11:30:48,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:30:48,945 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 6 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:30:48,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:30:48,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-20 11:30:48,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-20 11:30:48,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:48,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2022-11-20 11:30:48,951 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 10 [2022-11-20 11:30:48,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:48,952 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2022-11-20 11:30:48,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:48,952 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-11-20 11:30:48,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 11:30:48,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:48,953 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1] [2022-11-20 11:30:48,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-20 11:30:49,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:30:49,159 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 11:30:49,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:49,160 INFO L85 PathProgramCache]: Analyzing trace with hash -646531742, now seen corresponding path program 1 times [2022-11-20 11:30:49,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:30:49,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632717043] [2022-11-20 11:30:49,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:49,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:30:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:49,245 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:30:49,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:30:49,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632717043] [2022-11-20 11:30:49,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632717043] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:30:49,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908084851] [2022-11-20 11:30:49,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:49,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:30:49,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:30:49,255 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:30:49,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 11:30:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:49,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:30:49,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:30:49,318 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:30:49,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:30:49,357 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:30:49,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908084851] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:30:49,357 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:30:49,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-11-20 11:30:49,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389749596] [2022-11-20 11:30:49,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:30:49,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:30:49,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:30:49,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:30:49,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:30:49,360 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:49,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:49,390 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2022-11-20 11:30:49,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:30:49,390 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-20 11:30:49,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:49,391 INFO L225 Difference]: With dead ends: 30 [2022-11-20 11:30:49,391 INFO L226 Difference]: Without dead ends: 29 [2022-11-20 11:30:49,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:30:49,393 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:30:49,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:30:49,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-20 11:30:49,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-20 11:30:49,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 28 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:49,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2022-11-20 11:30:49,399 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 12 [2022-11-20 11:30:49,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:49,399 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2022-11-20 11:30:49,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:49,400 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2022-11-20 11:30:49,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 11:30:49,400 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:49,400 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 1, 1, 1] [2022-11-20 11:30:49,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:30:49,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:30:49,606 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 11:30:49,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:49,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1484270500, now seen corresponding path program 2 times [2022-11-20 11:30:49,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:30:49,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775736553] [2022-11-20 11:30:49,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:49,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:30:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:49,731 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:30:49,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:30:49,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775736553] [2022-11-20 11:30:49,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775736553] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:30:49,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779962902] [2022-11-20 11:30:49,732 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:30:49,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:30:49,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:30:49,734 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:30:49,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 11:30:49,790 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 11:30:49,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:30:49,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 11:30:49,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:30:49,859 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:30:49,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:30:49,988 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:30:49,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779962902] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:30:49,989 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:30:49,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2022-11-20 11:30:49,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139654911] [2022-11-20 11:30:49,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:30:49,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 11:30:49,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:30:49,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 11:30:49,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:30:49,992 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand has 13 states, 12 states have (on average 4.25) internal successors, (51), 13 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:50,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:50,054 INFO L93 Difference]: Finished difference Result 62 states and 67 transitions. [2022-11-20 11:30:50,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 11:30:50,055 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.25) internal successors, (51), 13 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-20 11:30:50,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:50,056 INFO L225 Difference]: With dead ends: 62 [2022-11-20 11:30:50,056 INFO L226 Difference]: Without dead ends: 61 [2022-11-20 11:30:50,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:30:50,057 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 29 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:30:50,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 35 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:30:50,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-20 11:30:50,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 56. [2022-11-20 11:30:50,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 54 states have (on average 1.1296296296296295) internal successors, (61), 55 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:50,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2022-11-20 11:30:50,067 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 24 [2022-11-20 11:30:50,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:50,068 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2022-11-20 11:30:50,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.25) internal successors, (51), 13 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:50,068 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2022-11-20 11:30:50,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 11:30:50,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:50,069 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1] [2022-11-20 11:30:50,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:30:50,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:30:50,275 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 11:30:50,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:50,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1214197931, now seen corresponding path program 2 times [2022-11-20 11:30:50,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:30:50,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035941601] [2022-11-20 11:30:50,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:50,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:30:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:50,556 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 24 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:30:50,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:30:50,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035941601] [2022-11-20 11:30:50,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035941601] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:30:50,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221989823] [2022-11-20 11:30:50,557 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:30:50,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:30:50,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:30:50,579 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:30:50,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 11:30:50,684 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 11:30:50,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:30:50,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 11:30:50,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:30:50,845 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:30:50,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:30:51,003 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:30:51,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221989823] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:30:51,003 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:30:51,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 20 [2022-11-20 11:30:51,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505247184] [2022-11-20 11:30:51,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:30:51,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-20 11:30:51,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:30:51,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-20 11:30:51,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2022-11-20 11:30:51,010 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand has 21 states, 20 states have (on average 3.95) internal successors, (79), 21 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:51,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:51,287 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2022-11-20 11:30:51,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 11:30:51,287 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 3.95) internal successors, (79), 21 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-20 11:30:51,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:51,291 INFO L225 Difference]: With dead ends: 56 [2022-11-20 11:30:51,291 INFO L226 Difference]: Without dead ends: 55 [2022-11-20 11:30:51,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=310, Invalid=682, Unknown=0, NotChecked=0, Total=992 [2022-11-20 11:30:51,295 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 33 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:30:51,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 9 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:30:51,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-11-20 11:30:51,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-11-20 11:30:51,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.0185185185185186) internal successors, (55), 54 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:51,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2022-11-20 11:30:51,320 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 27 [2022-11-20 11:30:51,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:51,320 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2022-11-20 11:30:51,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 3.95) internal successors, (79), 21 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:51,321 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2022-11-20 11:30:51,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 11:30:51,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:51,322 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 1, 1, 1] [2022-11-20 11:30:51,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:30:51,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:30:51,528 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 11:30:51,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:51,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1025163396, now seen corresponding path program 3 times [2022-11-20 11:30:51,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:30:51,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888068557] [2022-11-20 11:30:51,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:51,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:30:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:51,761 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 148 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:30:51,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:30:51,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888068557] [2022-11-20 11:30:51,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888068557] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:30:51,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807158943] [2022-11-20 11:30:51,762 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 11:30:51,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:30:51,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:30:51,764 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:30:51,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 11:30:51,821 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-20 11:30:51,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:30:51,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 11:30:51,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:30:51,892 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-20 11:30:51,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:30:51,951 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-20 11:30:51,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807158943] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:30:51,951 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:30:51,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 18 [2022-11-20 11:30:51,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587568211] [2022-11-20 11:30:51,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:30:51,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-20 11:30:51,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:30:51,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-20 11:30:51,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2022-11-20 11:30:51,957 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand has 19 states, 18 states have (on average 4.111111111111111) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:52,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:52,260 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2022-11-20 11:30:52,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-20 11:30:52,261 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 4.111111111111111) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-11-20 11:30:52,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:52,262 INFO L225 Difference]: With dead ends: 55 [2022-11-20 11:30:52,262 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 11:30:52,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 98 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=494, Invalid=912, Unknown=0, NotChecked=0, Total=1406 [2022-11-20 11:30:52,266 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 32 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:30:52,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 9 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:30:52,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 11:30:52,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 11:30:52,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:52,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 11:30:52,271 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2022-11-20 11:30:52,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:52,273 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:30:52,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.111111111111111) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:30:52,275 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:30:52,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 11:30:52,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-20 11:30:52,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-20 11:30:52,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-20 11:30:52,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-20 11:30:52,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:30:52,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-20 11:30:52,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 11:30:52,589 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-20 11:30:52,590 INFO L902 garLoopResultBuilder]: At program point L33(lines 24 34) the Hoare annotation is: true [2022-11-20 11:30:52,590 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 11:30:52,590 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2022-11-20 11:30:52,590 INFO L899 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed. [2022-11-20 11:30:52,590 INFO L899 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed. [2022-11-20 11:30:52,590 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2022-11-20 11:30:52,590 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 11:30:52,591 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-20 11:30:52,591 INFO L899 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2022-11-20 11:30:52,591 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2022-11-20 11:30:52,591 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 11:30:52,591 INFO L899 garLoopResultBuilder]: For program point L30-1(line 30) no Hoare annotation was computed. [2022-11-20 11:30:52,591 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 11:30:52,591 INFO L895 garLoopResultBuilder]: At program point L28-2(lines 28 31) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~j~0#1|))) (or (and (<= |ULTIMATE.start_main_~j~0#1| 9) (<= |ULTIMATE.start_main_~i~0#1| 3) (<= 12 .cse0)) (and (<= 14 .cse0) (<= |ULTIMATE.start_main_~j~0#1| 7) (<= |ULTIMATE.start_main_~i~0#1| 7)) (and (<= |ULTIMATE.start_main_~i~0#1| 9) (<= 15 .cse0) (<= |ULTIMATE.start_main_~j~0#1| 6)) (and (<= |ULTIMATE.start_main_~j~0#1| 8) (<= 13 .cse0) (<= |ULTIMATE.start_main_~i~0#1| 5)) (and (<= |ULTIMATE.start_main_~j~0#1| 10) (= |ULTIMATE.start_main_~i~0#1| 1) (<= 10 |ULTIMATE.start_main_~j~0#1|)))) [2022-11-20 11:30:52,592 INFO L899 garLoopResultBuilder]: For program point L28-3(lines 28 31) no Hoare annotation was computed. [2022-11-20 11:30:52,592 INFO L899 garLoopResultBuilder]: For program point L18(lines 18 20) no Hoare annotation was computed. [2022-11-20 11:30:52,592 INFO L902 garLoopResultBuilder]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2022-11-20 11:30:52,595 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2022-11-20 11:30:52,597 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:30:52,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:30:52 BoogieIcfgContainer [2022-11-20 11:30:52,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:30:52,611 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:30:52,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:30:52,611 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:30:52,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:30:47" (3/4) ... [2022-11-20 11:30:52,615 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 11:30:52,624 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-20 11:30:52,624 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 11:30:52,624 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 11:30:52,624 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:30:52,653 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:30:52,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:30:52,654 INFO L158 Benchmark]: Toolchain (without parser) took 5823.44ms. Allocated memory was 172.0MB in the beginning and 276.8MB in the end (delta: 104.9MB). Free memory was 126.3MB in the beginning and 171.1MB in the end (delta: -44.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-20 11:30:52,654 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 172.0MB. Free memory is still 141.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:30:52,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.63ms. Allocated memory is still 172.0MB. Free memory was 126.3MB in the beginning and 116.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 11:30:52,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.58ms. Allocated memory is still 172.0MB. Free memory was 116.3MB in the beginning and 114.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:30:52,655 INFO L158 Benchmark]: Boogie Preprocessor took 33.37ms. Allocated memory is still 172.0MB. Free memory was 114.9MB in the beginning and 113.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:30:52,655 INFO L158 Benchmark]: RCFGBuilder took 335.45ms. Allocated memory is still 172.0MB. Free memory was 113.7MB in the beginning and 104.4MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 11:30:52,656 INFO L158 Benchmark]: TraceAbstraction took 5118.12ms. Allocated memory was 172.0MB in the beginning and 276.8MB in the end (delta: 104.9MB). Free memory was 103.8MB in the beginning and 173.2MB in the end (delta: -69.3MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2022-11-20 11:30:52,657 INFO L158 Benchmark]: Witness Printer took 42.28ms. Allocated memory is still 276.8MB. Free memory was 173.2MB in the beginning and 171.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:30:52,659 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 172.0MB. Free memory is still 141.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.63ms. Allocated memory is still 172.0MB. Free memory was 126.3MB in the beginning and 116.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.58ms. Allocated memory is still 172.0MB. Free memory was 116.3MB in the beginning and 114.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.37ms. Allocated memory is still 172.0MB. Free memory was 114.9MB in the beginning and 113.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 335.45ms. Allocated memory is still 172.0MB. Free memory was 113.7MB in the beginning and 104.4MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5118.12ms. Allocated memory was 172.0MB in the beginning and 276.8MB in the end (delta: 104.9MB). Free memory was 103.8MB in the beginning and 173.2MB in the end (delta: -69.3MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Witness Printer took 42.28ms. Allocated memory is still 276.8MB. Free memory was 173.2MB in the beginning and 171.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 9, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 129 mSDsluCounter, 139 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 85 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 429 IncrementalHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 54 mSDtfsCounter, 429 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 326 GetRequests, 230 SyntacticMatches, 4 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 539 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=7, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 17 NumberOfFragments, 61 HoareAnnotationTreeSize, 3 FomulaSimplifications, 176 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 25 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 289 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 395 ConstructedInterpolants, 0 QuantifiedInterpolants, 1107 SizeOfPredicates, 4 NumberOfNonLiveVariables, 299 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 20 InterpolantComputations, 4 PerfectInterpolantSequences, 729/1026 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((j <= 9 && i <= 3) && 12 <= i + j) || ((14 <= i + j && j <= 7) && i <= 7)) || ((i <= 9 && 15 <= i + j) && j <= 6)) || ((j <= 8 && 13 <= i + j) && i <= 5)) || ((j <= 10 && i == 1) && 10 <= j) RESULT: Ultimate proved your program to be correct! [2022-11-20 11:30:52,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b857793-36e9-41c5-8aaa-83048f48953e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE