./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-examples/standard_init8_ground-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-examples/standard_init8_ground-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro --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 304c65cce38dcde111270a7f4e691d93e4778f0053e0e11304f731e521a0e8b2 --- 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-8393723 [2022-11-18 20:33:22,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:33:22,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:33:22,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:33:22,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:33:22,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:33:22,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:33:22,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:33:22,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:33:22,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:33:22,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:33:22,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:33:22,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:33:22,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:33:22,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:33:22,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:33:22,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:33:22,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:33:22,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:33:22,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:33:22,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:33:22,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:33:22,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:33:22,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:33:22,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:33:22,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:33:22,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:33:22,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:33:22,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:33:22,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:33:22,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:33:22,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:33:22,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:33:22,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:33:22,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:33:22,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:33:22,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:33:22,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:33:22,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:33:22,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:33:22,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:33:22,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-18 20:33:23,001 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:33:23,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:33:23,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:33:23,002 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:33:23,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:33:23,003 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:33:23,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:33:23,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:33:23,004 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:33:23,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:33:23,004 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:33:23,004 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:33:23,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:33:23,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:33:23,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:33:23,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:33:23,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:33:23,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:33:23,005 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:33:23,006 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:33:23,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:33:23,006 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:33:23,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:33:23,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:33:23,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:33:23,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:33:23,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:33:23,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:33:23,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:33:23,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:33:23,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:33:23,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:33:23,008 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:33:23,008 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:33:23,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:33:23,009 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_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 304c65cce38dcde111270a7f4e691d93e4778f0053e0e11304f731e521a0e8b2 [2022-11-18 20:33:23,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:33:23,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:33:23,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:33:23,263 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:33:23,265 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:33:23,266 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/array-examples/standard_init8_ground-2.i [2022-11-18 20:33:23,339 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/data/5503e9ab7/2a21b51acf5d469983cfcf519ce0944e/FLAG0f5f2add0 [2022-11-18 20:33:23,859 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:33:23,859 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/sv-benchmarks/c/array-examples/standard_init8_ground-2.i [2022-11-18 20:33:23,865 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/data/5503e9ab7/2a21b51acf5d469983cfcf519ce0944e/FLAG0f5f2add0 [2022-11-18 20:33:24,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/data/5503e9ab7/2a21b51acf5d469983cfcf519ce0944e [2022-11-18 20:33:24,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:33:24,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:33:24,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:33:24,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:33:24,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:33:24,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:33:24" (1/1) ... [2022-11-18 20:33:24,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6431e01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:24, skipping insertion in model container [2022-11-18 20:33:24,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:33:24" (1/1) ... [2022-11-18 20:33:24,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:33:24,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:33:24,545 WARN L234 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_b0e4ad66-df9e-4182-b09f-4e292e68e66b/sv-benchmarks/c/array-examples/standard_init8_ground-2.i[816,829] [2022-11-18 20:33:24,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:33:24,595 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:33:24,617 WARN L234 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_b0e4ad66-df9e-4182-b09f-4e292e68e66b/sv-benchmarks/c/array-examples/standard_init8_ground-2.i[816,829] [2022-11-18 20:33:24,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:33:24,658 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:33:24,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:24 WrapperNode [2022-11-18 20:33:24,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:33:24,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:33:24,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:33:24,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:33:24,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:24" (1/1) ... [2022-11-18 20:33:24,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:24" (1/1) ... [2022-11-18 20:33:24,713 INFO L138 Inliner]: procedures = 15, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 107 [2022-11-18 20:33:24,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:33:24,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:33:24,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:33:24,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:33:24,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:24" (1/1) ... [2022-11-18 20:33:24,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:24" (1/1) ... [2022-11-18 20:33:24,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:24" (1/1) ... [2022-11-18 20:33:24,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:24" (1/1) ... [2022-11-18 20:33:24,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:24" (1/1) ... [2022-11-18 20:33:24,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:24" (1/1) ... [2022-11-18 20:33:24,751 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:24" (1/1) ... [2022-11-18 20:33:24,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:24" (1/1) ... [2022-11-18 20:33:24,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:33:24,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:33:24,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:33:24,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:33:24,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:24" (1/1) ... [2022-11-18 20:33:24,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:33:24,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:33:24,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:33:24,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:33:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:33:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:33:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:33:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:33:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:33:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:33:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:33:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:33:24,914 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:33:24,916 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:33:25,137 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:33:25,144 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:33:25,144 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-18 20:33:25,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:33:25 BoogieIcfgContainer [2022-11-18 20:33:25,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:33:25,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:33:25,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:33:25,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:33:25,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:33:24" (1/3) ... [2022-11-18 20:33:25,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cfa6082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:33:25, skipping insertion in model container [2022-11-18 20:33:25,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:24" (2/3) ... [2022-11-18 20:33:25,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cfa6082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:33:25, skipping insertion in model container [2022-11-18 20:33:25,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:33:25" (3/3) ... [2022-11-18 20:33:25,155 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_init8_ground-2.i [2022-11-18 20:33:25,189 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:33:25,190 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-18 20:33:25,293 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:33:25,300 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;@37741198, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:33:25,301 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-11-18 20:33:25,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 44 states have (on average 1.8409090909090908) internal successors, (81), 62 states have internal predecessors, (81), 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) [2022-11-18 20:33:25,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-18 20:33:25,312 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:25,312 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-18 20:33:25,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 20:33:25,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:25,319 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2022-11-18 20:33:25,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:25,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498621528] [2022-11-18 20:33:25,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:25,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:33:25,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:33:25,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498621528] [2022-11-18 20:33:25,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498621528] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:33:25,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:33:25,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:33:25,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342021128] [2022-11-18 20:33:25,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:33:25,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:33:25,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:33:25,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:33:25,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:33:25,584 INFO L87 Difference]: Start difference. First operand has 63 states, 44 states have (on average 1.8409090909090908) internal successors, (81), 62 states have internal predecessors, (81), 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) [2022-11-18 20:33:25,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:25,816 INFO L93 Difference]: Finished difference Result 145 states and 209 transitions. [2022-11-18 20:33:25,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:33:25,819 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 [2022-11-18 20:33:25,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:25,828 INFO L225 Difference]: With dead ends: 145 [2022-11-18 20:33:25,828 INFO L226 Difference]: Without dead ends: 82 [2022-11-18 20:33:25,831 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 [2022-11-18 20:33:25,834 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 15 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:25,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 62 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:33:25,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-18 20:33:25,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-11-18 20:33:25,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 64 states have (on average 1.40625) internal successors, (90), 81 states have internal predecessors, (90), 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) [2022-11-18 20:33:25,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 90 transitions. [2022-11-18 20:33:25,875 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 90 transitions. Word has length 4 [2022-11-18 20:33:25,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:25,875 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 90 transitions. [2022-11-18 20:33:25,876 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) [2022-11-18 20:33:25,876 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2022-11-18 20:33:25,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-18 20:33:25,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:25,877 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2022-11-18 20:33:25,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:33:25,877 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 20:33:25,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:25,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1810629419, now seen corresponding path program 1 times [2022-11-18 20:33:25,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:25,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371052628] [2022-11-18 20:33:25,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:25,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 20:33:25,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:33:25,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371052628] [2022-11-18 20:33:25,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371052628] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:33:25,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:33:25,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:33:25,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660064523] [2022-11-18 20:33:25,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:33:25,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:33:25,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:33:25,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:33:25,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:33:25,953 INFO L87 Difference]: Start difference. First operand 82 states and 90 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) [2022-11-18 20:33:26,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:26,074 INFO L93 Difference]: Finished difference Result 82 states and 90 transitions. [2022-11-18 20:33:26,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:33:26,077 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 [2022-11-18 20:33:26,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:26,078 INFO L225 Difference]: With dead ends: 82 [2022-11-18 20:33:26,079 INFO L226 Difference]: Without dead ends: 74 [2022-11-18 20:33:26,079 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 [2022-11-18 20:33:26,080 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 23 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:26,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 36 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:33:26,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-18 20:33:26,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-18 20:33:26,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 64 states have (on average 1.28125) internal successors, (82), 73 states have internal predecessors, (82), 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) [2022-11-18 20:33:26,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 82 transitions. [2022-11-18 20:33:26,096 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 82 transitions. Word has length 7 [2022-11-18 20:33:26,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:26,096 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 82 transitions. [2022-11-18 20:33:26,096 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) [2022-11-18 20:33:26,097 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2022-11-18 20:33:26,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-18 20:33:26,097 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:26,097 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2022-11-18 20:33:26,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:33:26,098 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 20:33:26,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:26,103 INFO L85 PathProgramCache]: Analyzing trace with hash 294937186, now seen corresponding path program 1 times [2022-11-18 20:33:26,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:26,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986188221] [2022-11-18 20:33:26,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:26,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:26,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:33:26,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:33:26,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986188221] [2022-11-18 20:33:26,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986188221] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:33:26,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955814561] [2022-11-18 20:33:26,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:26,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:33:26,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:33:26,220 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:33:26,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:33:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:26,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:33:26,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:33:26,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:33:26,388 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:33:26,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955814561] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:33:26,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:33:26,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-11-18 20:33:26,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364167575] [2022-11-18 20:33:26,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:33:26,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:33:26,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:33:26,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:33:26,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:33:26,392 INFO L87 Difference]: Start difference. First operand 74 states and 82 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-11-18 20:33:26,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:26,497 INFO L93 Difference]: Finished difference Result 74 states and 82 transitions. [2022-11-18 20:33:26,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:33:26,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2022-11-18 20:33:26,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:26,499 INFO L225 Difference]: With dead ends: 74 [2022-11-18 20:33:26,499 INFO L226 Difference]: Without dead ends: 66 [2022-11-18 20:33:26,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:33:26,501 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 45 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:26,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 20 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:33:26,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-18 20:33:26,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 50. [2022-11-18 20:33:26,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 49 states have internal predecessors, (58), 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) [2022-11-18 20:33:26,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2022-11-18 20:33:26,520 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 8 [2022-11-18 20:33:26,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:26,520 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2022-11-18 20:33:26,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-11-18 20:33:26,521 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2022-11-18 20:33:26,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-18 20:33:26,525 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:26,525 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:33:26,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-18 20:33:26,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:33:26,731 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 20:33:26,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:26,731 INFO L85 PathProgramCache]: Analyzing trace with hash 574878894, now seen corresponding path program 1 times [2022-11-18 20:33:26,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:26,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789145461] [2022-11-18 20:33:26,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:26,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:26,885 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-18 20:33:26,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:33:26,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789145461] [2022-11-18 20:33:26,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789145461] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:33:26,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425586007] [2022-11-18 20:33:26,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:26,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:33:26,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:33:26,887 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:33:26,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 20:33:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:26,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:33:26,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:33:26,997 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-18 20:33:26,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:33:27,025 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-18 20:33:27,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425586007] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:33:27,025 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:33:27,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-18 20:33:27,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649098511] [2022-11-18 20:33:27,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:33:27,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:33:27,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:33:27,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:33:27,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:33:27,028 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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) [2022-11-18 20:33:27,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:27,289 INFO L93 Difference]: Finished difference Result 166 states and 205 transitions. [2022-11-18 20:33:27,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:33:27,290 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 47 [2022-11-18 20:33:27,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:27,291 INFO L225 Difference]: With dead ends: 166 [2022-11-18 20:33:27,291 INFO L226 Difference]: Without dead ends: 122 [2022-11-18 20:33:27,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:33:27,293 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 96 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:27,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 46 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:33:27,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-18 20:33:27,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-11-18 20:33:27,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 120 states have (on average 1.0833333333333333) internal successors, (130), 121 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:33:27,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 130 transitions. [2022-11-18 20:33:27,308 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 130 transitions. Word has length 47 [2022-11-18 20:33:27,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:27,308 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 130 transitions. [2022-11-18 20:33:27,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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) [2022-11-18 20:33:27,309 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2022-11-18 20:33:27,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-18 20:33:27,312 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:27,312 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:33:27,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:33:27,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:33:27,518 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 20:33:27,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:27,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1035627042, now seen corresponding path program 2 times [2022-11-18 20:33:27,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:27,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339280316] [2022-11-18 20:33:27,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:27,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:27,870 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-11-18 20:33:27,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:33:27,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339280316] [2022-11-18 20:33:27,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339280316] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:33:27,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:33:27,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:33:27,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132973873] [2022-11-18 20:33:27,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:33:27,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:33:27,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:33:27,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:33:27,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:33:27,873 INFO L87 Difference]: Start difference. First operand 122 states and 130 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-11-18 20:33:27,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:27,900 INFO L93 Difference]: Finished difference Result 130 states and 138 transitions. [2022-11-18 20:33:27,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:33:27,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 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 119 [2022-11-18 20:33:27,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:27,902 INFO L225 Difference]: With dead ends: 130 [2022-11-18 20:33:27,902 INFO L226 Difference]: Without dead ends: 128 [2022-11-18 20:33:27,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:33:27,904 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 3 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:27,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 134 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:33:27,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-18 20:33:27,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2022-11-18 20:33:27,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 126 states have (on average 1.0793650793650793) internal successors, (136), 127 states have internal predecessors, (136), 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) [2022-11-18 20:33:27,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 136 transitions. [2022-11-18 20:33:27,915 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 136 transitions. Word has length 119 [2022-11-18 20:33:27,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:27,916 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 136 transitions. [2022-11-18 20:33:27,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-11-18 20:33:27,916 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 136 transitions. [2022-11-18 20:33:27,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-18 20:33:27,919 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:27,920 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:33:27,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:33:27,920 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 20:33:27,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:27,921 INFO L85 PathProgramCache]: Analyzing trace with hash 894078391, now seen corresponding path program 1 times [2022-11-18 20:33:27,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:27,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462549412] [2022-11-18 20:33:27,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:27,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,204 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-11-18 20:33:28,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:33:28,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462549412] [2022-11-18 20:33:28,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462549412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:33:28,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:33:28,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:33:28,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390240569] [2022-11-18 20:33:28,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:33:28,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:33:28,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:33:28,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:33:28,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:33:28,219 INFO L87 Difference]: Start difference. First operand 128 states and 136 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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) [2022-11-18 20:33:28,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:28,254 INFO L93 Difference]: Finished difference Result 128 states and 136 transitions. [2022-11-18 20:33:28,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:33:28,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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 125 [2022-11-18 20:33:28,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:28,256 INFO L225 Difference]: With dead ends: 128 [2022-11-18 20:33:28,256 INFO L226 Difference]: Without dead ends: 127 [2022-11-18 20:33:28,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:33:28,258 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 5 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 127 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 [2022-11-18 20:33:28,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 127 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:33:28,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-11-18 20:33:28,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2022-11-18 20:33:28,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 126 states have (on average 1.0714285714285714) internal successors, (135), 126 states have internal predecessors, (135), 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) [2022-11-18 20:33:28,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 135 transitions. [2022-11-18 20:33:28,272 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 135 transitions. Word has length 125 [2022-11-18 20:33:28,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:28,273 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 135 transitions. [2022-11-18 20:33:28,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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) [2022-11-18 20:33:28,274 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 135 transitions. [2022-11-18 20:33:28,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-18 20:33:28,277 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:28,277 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:33:28,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:33:28,278 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 20:33:28,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:28,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1946626536, now seen corresponding path program 1 times [2022-11-18 20:33:28,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:28,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397571609] [2022-11-18 20:33:28,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:28,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,517 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-11-18 20:33:28,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:33:28,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397571609] [2022-11-18 20:33:28,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397571609] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:33:28,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997666081] [2022-11-18 20:33:28,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:28,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:33:28,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:33:28,521 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:33:28,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 20:33:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:33:28,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:33:28,751 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-11-18 20:33:28,751 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:33:28,847 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-11-18 20:33:28,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997666081] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:33:28,847 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:33:28,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-11-18 20:33:28,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354784477] [2022-11-18 20:33:28,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:33:28,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:33:28,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:33:28,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:33:28,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:33:28,850 INFO L87 Difference]: Start difference. First operand 127 states and 135 transitions. Second operand has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 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) [2022-11-18 20:33:29,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:29,331 INFO L93 Difference]: Finished difference Result 383 states and 446 transitions. [2022-11-18 20:33:29,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 20:33:29,332 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 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 126 [2022-11-18 20:33:29,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:29,333 INFO L225 Difference]: With dead ends: 383 [2022-11-18 20:33:29,333 INFO L226 Difference]: Without dead ends: 271 [2022-11-18 20:33:29,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:33:29,334 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 314 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:29,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 43 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 20:33:29,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2022-11-18 20:33:29,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2022-11-18 20:33:29,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 270 states have (on average 1.0333333333333334) internal successors, (279), 270 states have internal predecessors, (279), 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) [2022-11-18 20:33:29,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 279 transitions. [2022-11-18 20:33:29,367 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 279 transitions. Word has length 126 [2022-11-18 20:33:29,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:29,368 INFO L495 AbstractCegarLoop]: Abstraction has 271 states and 279 transitions. [2022-11-18 20:33:29,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 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) [2022-11-18 20:33:29,369 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 279 transitions. [2022-11-18 20:33:29,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-11-18 20:33:29,374 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:29,374 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:33:29,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:33:29,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:33:29,579 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 20:33:29,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:29,580 INFO L85 PathProgramCache]: Analyzing trace with hash 285149800, now seen corresponding path program 2 times [2022-11-18 20:33:29,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:29,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433231562] [2022-11-18 20:33:29,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:29,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:30,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1166 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 1021 trivial. 0 not checked. [2022-11-18 20:33:30,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:33:30,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433231562] [2022-11-18 20:33:30,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433231562] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:33:30,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744116486] [2022-11-18 20:33:30,356 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:33:30,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:33:30,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:33:30,373 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:33:30,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 20:33:30,623 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:33:30,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:33:30,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 20:33:30,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:33:30,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1166 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 1021 trivial. 0 not checked. [2022-11-18 20:33:30,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:33:30,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1166 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 1021 trivial. 0 not checked. [2022-11-18 20:33:30,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744116486] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:33:30,997 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:33:30,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2022-11-18 20:33:30,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902884415] [2022-11-18 20:33:30,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:33:30,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-18 20:33:30,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:33:31,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-18 20:33:31,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2022-11-18 20:33:31,000 INFO L87 Difference]: Start difference. First operand 271 states and 279 transitions. Second operand has 25 states, 25 states have (on average 4.48) internal successors, (112), 25 states have internal predecessors, (112), 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) [2022-11-18 20:33:32,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:32,076 INFO L93 Difference]: Finished difference Result 797 states and 908 transitions. [2022-11-18 20:33:32,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 20:33:32,077 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.48) internal successors, (112), 25 states have internal predecessors, (112), 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 270 [2022-11-18 20:33:32,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:32,079 INFO L225 Difference]: With dead ends: 797 [2022-11-18 20:33:32,079 INFO L226 Difference]: Without dead ends: 559 [2022-11-18 20:33:32,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 528 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2022-11-18 20:33:32,087 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 1018 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1018 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 583 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:32,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1018 Valid, 34 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [583 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-18 20:33:32,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2022-11-18 20:33:32,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 559. [2022-11-18 20:33:32,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 558 states have (on average 1.0161290322580645) internal successors, (567), 558 states have internal predecessors, (567), 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) [2022-11-18 20:33:32,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 567 transitions. [2022-11-18 20:33:32,121 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 567 transitions. Word has length 270 [2022-11-18 20:33:32,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:32,121 INFO L495 AbstractCegarLoop]: Abstraction has 559 states and 567 transitions. [2022-11-18 20:33:32,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.48) internal successors, (112), 25 states have internal predecessors, (112), 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) [2022-11-18 20:33:32,122 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 567 transitions. [2022-11-18 20:33:32,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2022-11-18 20:33:32,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:32,133 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:33:32,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:33:32,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:33:32,339 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 20:33:32,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:32,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1560007832, now seen corresponding path program 3 times [2022-11-18 20:33:32,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:32,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438795783] [2022-11-18 20:33:32,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:32,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:34,945 INFO L134 CoverageAnalysis]: Checked inductivity of 5726 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 5011 trivial. 0 not checked. [2022-11-18 20:33:34,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:33:34,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438795783] [2022-11-18 20:33:34,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438795783] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:33:34,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023325626] [2022-11-18 20:33:34,946 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 20:33:34,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:33:34,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:33:34,948 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:33:34,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 20:33:35,190 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-18 20:33:35,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:33:35,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:33:35,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:33:35,261 INFO L134 CoverageAnalysis]: Checked inductivity of 5726 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5720 trivial. 0 not checked. [2022-11-18 20:33:35,262 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:33:35,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023325626] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:33:35,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:33:35,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [25] total 27 [2022-11-18 20:33:35,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106469461] [2022-11-18 20:33:35,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:33:35,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:33:35,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:33:35,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:33:35,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=398, Unknown=0, NotChecked=0, Total=702 [2022-11-18 20:33:35,266 INFO L87 Difference]: Start difference. First operand 559 states and 567 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 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) [2022-11-18 20:33:35,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:35,307 INFO L93 Difference]: Finished difference Result 559 states and 567 transitions. [2022-11-18 20:33:35,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:33:35,308 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 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 558 [2022-11-18 20:33:35,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:35,310 INFO L225 Difference]: With dead ends: 559 [2022-11-18 20:33:35,310 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:33:35,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 557 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=308, Invalid=448, Unknown=0, NotChecked=0, Total=756 [2022-11-18 20:33:35,314 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 2 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:35,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 127 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:33:35,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:33:35,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:33:35,317 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) [2022-11-18 20:33:35,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:33:35,317 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 558 [2022-11-18 20:33:35,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:35,317 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:33:35,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 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) [2022-11-18 20:33:35,318 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:33:35,318 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:33:35,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2022-11-18 20:33:35,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2022-11-18 20:33:35,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2022-11-18 20:33:35,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2022-11-18 20:33:35,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2022-11-18 20:33:35,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2022-11-18 20:33:35,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2022-11-18 20:33:35,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2022-11-18 20:33:35,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2022-11-18 20:33:35,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2022-11-18 20:33:35,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2022-11-18 20:33:35,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2022-11-18 20:33:35,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2022-11-18 20:33:35,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2022-11-18 20:33:35,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2022-11-18 20:33:35,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2022-11-18 20:33:35,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2022-11-18 20:33:35,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2022-11-18 20:33:35,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-18 20:33:35,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:33:35,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:33:35,707 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-11-18 20:33:35,708 INFO L902 garLoopResultBuilder]: At program point L60(lines 14 61) the Hoare annotation is: true [2022-11-18 20:33:35,708 INFO L895 garLoopResultBuilder]: At program point L27-2(lines 27 30) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-18 20:33:35,708 INFO L899 garLoopResultBuilder]: For program point L27-3(lines 27 30) no Hoare annotation was computed. [2022-11-18 20:33:35,708 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2022-11-18 20:33:35,709 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2022-11-18 20:33:35,709 INFO L895 garLoopResultBuilder]: At program point L52-2(lines 52 55) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-18 20:33:35,709 INFO L899 garLoopResultBuilder]: For program point L52-3(lines 52 55) no Hoare annotation was computed. [2022-11-18 20:33:35,709 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-18 20:33:35,709 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-11-18 20:33:35,709 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed. [2022-11-18 20:33:35,710 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-11-18 20:33:35,710 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2022-11-18 20:33:35,711 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:33:35,711 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:33:35,711 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 57) no Hoare annotation was computed. [2022-11-18 20:33:35,711 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-18 20:33:35,711 INFO L895 garLoopResultBuilder]: At program point L37-2(lines 37 40) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-18 20:33:35,712 INFO L899 garLoopResultBuilder]: For program point L37-3(lines 37 40) no Hoare annotation was computed. [2022-11-18 20:33:35,712 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2022-11-18 20:33:35,712 INFO L899 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed. [2022-11-18 20:33:35,712 INFO L899 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed. [2022-11-18 20:33:35,712 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-18 20:33:35,712 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 57) no Hoare annotation was computed. [2022-11-18 20:33:35,712 INFO L899 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2022-11-18 20:33:35,713 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2022-11-18 20:33:35,713 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2022-11-18 20:33:35,713 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-18 20:33:35,713 INFO L899 garLoopResultBuilder]: For program point L13-3(line 13) no Hoare annotation was computed. [2022-11-18 20:33:35,713 INFO L895 garLoopResultBuilder]: At program point L22-2(lines 22 25) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-18 20:33:35,713 INFO L899 garLoopResultBuilder]: For program point L22-3(lines 22 25) no Hoare annotation was computed. [2022-11-18 20:33:35,714 INFO L895 garLoopResultBuilder]: At program point L47-2(lines 47 50) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-18 20:33:35,714 INFO L899 garLoopResultBuilder]: For program point L47-3(lines 47 50) no Hoare annotation was computed. [2022-11-18 20:33:35,714 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2022-11-18 20:33:35,714 INFO L899 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2022-11-18 20:33:35,714 INFO L899 garLoopResultBuilder]: For program point L39-1(line 39) no Hoare annotation was computed. [2022-11-18 20:33:35,714 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2022-11-18 20:33:35,715 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:33:35,715 INFO L895 garLoopResultBuilder]: At program point L32-2(lines 32 35) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-18 20:33:35,715 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-18 20:33:35,716 INFO L899 garLoopResultBuilder]: For program point L32-3(lines 32 35) no Hoare annotation was computed. [2022-11-18 20:33:35,716 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2022-11-18 20:33:35,716 INFO L899 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2022-11-18 20:33:35,716 INFO L899 garLoopResultBuilder]: For program point L57-2(lines 57 59) no Hoare annotation was computed. [2022-11-18 20:33:35,716 INFO L899 garLoopResultBuilder]: For program point L57-3(line 57) no Hoare annotation was computed. [2022-11-18 20:33:35,717 INFO L899 garLoopResultBuilder]: For program point L57-4(line 57) no Hoare annotation was computed. [2022-11-18 20:33:35,717 INFO L895 garLoopResultBuilder]: At program point L57-5(lines 57 59) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648))) [2022-11-18 20:33:35,717 INFO L899 garLoopResultBuilder]: For program point L57-6(lines 57 59) no Hoare annotation was computed. [2022-11-18 20:33:35,717 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-11-18 20:33:35,717 INFO L899 garLoopResultBuilder]: For program point L49-1(line 49) no Hoare annotation was computed. [2022-11-18 20:33:35,717 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2022-11-18 20:33:35,718 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:33:35,718 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-18 20:33:35,718 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2022-11-18 20:33:35,719 INFO L895 garLoopResultBuilder]: At program point L17-2(lines 17 20) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-18 20:33:35,719 INFO L899 garLoopResultBuilder]: For program point L17-3(lines 17 20) no Hoare annotation was computed. [2022-11-18 20:33:35,719 INFO L895 garLoopResultBuilder]: At program point L42-2(lines 42 45) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-18 20:33:35,720 INFO L899 garLoopResultBuilder]: For program point L42-3(lines 42 45) no Hoare annotation was computed. [2022-11-18 20:33:35,720 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-11-18 20:33:35,720 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2022-11-18 20:33:35,721 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-11-18 20:33:35,721 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-18 20:33:35,721 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-11-18 20:33:35,725 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2022-11-18 20:33:35,728 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:33:35,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:33:35 BoogieIcfgContainer [2022-11-18 20:33:35,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:33:35,742 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:33:35,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:33:35,743 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:33:35,743 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:33:25" (3/4) ... [2022-11-18 20:33:35,746 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:33:35,756 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-18 20:33:35,757 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 20:33:35,757 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:33:35,757 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:33:35,795 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:33:35,796 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:33:35,796 INFO L158 Benchmark]: Toolchain (without parser) took 11464.87ms. Allocated memory was 142.6MB in the beginning and 262.1MB in the end (delta: 119.5MB). Free memory was 108.0MB in the beginning and 200.6MB in the end (delta: -92.6MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2022-11-18 20:33:35,797 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory was 69.5MB in the beginning and 69.5MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:33:35,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.25ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 118.2MB in the end (delta: -10.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-11-18 20:33:35,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.60ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 117.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:33:35,798 INFO L158 Benchmark]: Boogie Preprocessor took 39.45ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 115.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:33:35,798 INFO L158 Benchmark]: RCFGBuilder took 391.76ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 102.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:33:35,799 INFO L158 Benchmark]: TraceAbstraction took 10593.95ms. Allocated memory was 142.6MB in the beginning and 262.1MB in the end (delta: 119.5MB). Free memory was 101.5MB in the beginning and 203.8MB in the end (delta: -102.3MB). Peak memory consumption was 144.8MB. Max. memory is 16.1GB. [2022-11-18 20:33:35,799 INFO L158 Benchmark]: Witness Printer took 53.35ms. Allocated memory is still 262.1MB. Free memory was 203.8MB in the beginning and 200.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:33:35,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory was 69.5MB in the beginning and 69.5MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.25ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 118.2MB in the end (delta: -10.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.60ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 117.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.45ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 115.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 391.76ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 102.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 10593.95ms. Allocated memory was 142.6MB in the beginning and 262.1MB in the end (delta: 119.5MB). Free memory was 101.5MB in the beginning and 203.8MB in the end (delta: -102.3MB). Peak memory consumption was 144.8MB. Max. memory is 16.1GB. * Witness Printer took 53.35ms. Allocated memory is still 262.1MB. Free memory was 203.8MB in the beginning and 200.6MB in the end (delta: 3.1MB). 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: 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: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: 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, 63 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 10.5s, OverallIterations: 9, TraceHistogramMax: 22, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1521 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1521 mSDsluCounter, 629 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 328 mSDsCounter, 940 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1233 IncrementalHoareTripleChecker+Invalid, 2173 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 940 mSolverCounterUnsat, 301 mSDtfsCounter, 1233 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1510 GetRequests, 1434 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=559occurred in iteration=8, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 196 NumberOfFragments, 66 HoareAnnotationTreeSize, 10 FomulaSimplifications, 1408 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 10 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 2273 NumberOfCodeBlocks, 1769 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2699 ConstructedInterpolants, 0 QuantifiedInterpolants, 3193 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1535 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 14663/15885 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 18 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 <= i && 0 <= x + 2147483648 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i RESULT: Ultimate proved your program to be correct! [2022-11-18 20:33:35,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e4ad66-df9e-4182-b09f-4e292e68e66b/bin/uautomizer-TMbwUNV5ro/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