./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/pnr2.c --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_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/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_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-tiling/pnr2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/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_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/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 67f3347d26557d25fb6343192d3c90918276f96e14a8e5c63bb68c9eaee65f5f --- 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 19:42:51,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:42:51,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:42:52,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:42:52,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:42:52,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:42:52,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:42:52,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:42:52,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:42:52,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:42:52,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:42:52,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:42:52,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:42:52,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:42:52,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:42:52,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:42:52,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:42:52,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:42:52,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:42:52,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:42:52,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:42:52,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:42:52,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:42:52,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:42:52,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:42:52,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:42:52,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:42:52,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:42:52,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:42:52,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:42:52,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:42:52,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:42:52,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:42:52,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:42:52,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:42:52,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:42:52,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:42:52,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:42:52,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:42:52,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:42:52,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:42:52,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-18 19:42:52,182 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:42:52,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:42:52,184 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:42:52,184 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:42:52,185 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:42:52,186 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:42:52,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:42:52,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:42:52,187 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:42:52,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:42:52,189 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:42:52,189 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:42:52,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:42:52,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:42:52,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:42:52,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:42:52,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:42:52,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:42:52,191 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 19:42:52,192 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:42:52,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:42:52,192 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:42:52,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:42:52,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:42:52,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:42:52,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:42:52,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:42:52,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:42:52,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:42:52,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:42:52,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:42:52,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:42:52,197 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:42:52,198 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:42:52,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:42:52,198 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_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67f3347d26557d25fb6343192d3c90918276f96e14a8e5c63bb68c9eaee65f5f [2022-11-18 19:42:52,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:42:52,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:42:52,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:42:52,660 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:42:52,661 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:42:52,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/array-tiling/pnr2.c [2022-11-18 19:42:52,750 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/data/6631f8852/83fa77aa20ec4c4594d68710cad9a215/FLAG8610ea1ea [2022-11-18 19:42:53,337 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:42:53,338 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/sv-benchmarks/c/array-tiling/pnr2.c [2022-11-18 19:42:53,350 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/data/6631f8852/83fa77aa20ec4c4594d68710cad9a215/FLAG8610ea1ea [2022-11-18 19:42:53,681 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/data/6631f8852/83fa77aa20ec4c4594d68710cad9a215 [2022-11-18 19:42:53,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:42:53,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:42:53,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:42:53,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:42:53,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:42:53,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:42:53" (1/1) ... [2022-11-18 19:42:53,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106014f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:53, skipping insertion in model container [2022-11-18 19:42:53,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:42:53" (1/1) ... [2022-11-18 19:42:53,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:42:53,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:42:53,941 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_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/sv-benchmarks/c/array-tiling/pnr2.c[395,408] [2022-11-18 19:42:53,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:42:54,013 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:42:54,031 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_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/sv-benchmarks/c/array-tiling/pnr2.c[395,408] [2022-11-18 19:42:54,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:42:54,085 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:42:54,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:54 WrapperNode [2022-11-18 19:42:54,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:42:54,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:42:54,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:42:54,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:42:54,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:54" (1/1) ... [2022-11-18 19:42:54,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:54" (1/1) ... [2022-11-18 19:42:54,136 INFO L138 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2022-11-18 19:42:54,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:42:54,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:42:54,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:42:54,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:42:54,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:54" (1/1) ... [2022-11-18 19:42:54,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:54" (1/1) ... [2022-11-18 19:42:54,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:54" (1/1) ... [2022-11-18 19:42:54,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:54" (1/1) ... [2022-11-18 19:42:54,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:54" (1/1) ... [2022-11-18 19:42:54,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:54" (1/1) ... [2022-11-18 19:42:54,168 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:54" (1/1) ... [2022-11-18 19:42:54,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:54" (1/1) ... [2022-11-18 19:42:54,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:42:54,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:42:54,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:42:54,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:42:54,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:54" (1/1) ... [2022-11-18 19:42:54,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:42:54,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:42:54,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:42:54,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:42:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:42:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:42:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:42:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:42:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure ReadFromPort [2022-11-18 19:42:54,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadFromPort [2022-11-18 19:42:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:42:54,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:42:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:42:54,376 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:42:54,379 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:42:54,889 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:42:54,896 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:42:54,900 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 19:42:54,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:42:54 BoogieIcfgContainer [2022-11-18 19:42:54,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:42:54,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:42:54,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:42:54,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:42:54,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:42:53" (1/3) ... [2022-11-18 19:42:54,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@501025f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:42:54, skipping insertion in model container [2022-11-18 19:42:54,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:54" (2/3) ... [2022-11-18 19:42:54,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@501025f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:42:54, skipping insertion in model container [2022-11-18 19:42:54,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:42:54" (3/3) ... [2022-11-18 19:42:54,919 INFO L112 eAbstractionObserver]: Analyzing ICFG pnr2.c [2022-11-18 19:42:54,940 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:42:54,941 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-11-18 19:42:55,029 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:42:55,046 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;@6350ae16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:42:55,050 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2022-11-18 19:42:55,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 45 states have (on average 1.711111111111111) internal successors, (77), 67 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 19:42:55,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-18 19:42:55,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:42:55,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:42:55,060 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-18 19:42:55,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:42:55,066 INFO L85 PathProgramCache]: Analyzing trace with hash -655793907, now seen corresponding path program 1 times [2022-11-18 19:42:55,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:42:55,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417039201] [2022-11-18 19:42:55,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:42:55,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:42:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:55,622 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 19:42:55,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:42:55,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417039201] [2022-11-18 19:42:55,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417039201] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:42:55,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:42:55,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:42:55,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440806432] [2022-11-18 19:42:55,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:42:55,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:42:55,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:42:55,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:42:55,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:42:55,667 INFO L87 Difference]: Start difference. First operand has 71 states, 45 states have (on average 1.711111111111111) internal successors, (77), 67 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 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 19:42:55,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:42:55,863 INFO L93 Difference]: Finished difference Result 142 states and 159 transitions. [2022-11-18 19:42:55,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:42:55,867 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 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 19:42:55,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:42:55,882 INFO L225 Difference]: With dead ends: 142 [2022-11-18 19:42:55,882 INFO L226 Difference]: Without dead ends: 64 [2022-11-18 19:42:55,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:42:55,896 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 269 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:42:55,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 75 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:42:55,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-18 19:42:55,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-18 19:42:55,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 41 states have (on average 1.5609756097560976) internal successors, (64), 60 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 19:42:55,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2022-11-18 19:42:55,960 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 7 [2022-11-18 19:42:55,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:42:55,961 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2022-11-18 19:42:55,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 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 19:42:55,963 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2022-11-18 19:42:55,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-18 19:42:55,965 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:42:55,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:42:55,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:42:55,966 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-18 19:42:55,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:42:55,969 INFO L85 PathProgramCache]: Analyzing trace with hash 273508572, now seen corresponding path program 1 times [2022-11-18 19:42:55,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:42:55,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426922452] [2022-11-18 19:42:55,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:42:55,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:42:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:56,140 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 19:42:56,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:42:56,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426922452] [2022-11-18 19:42:56,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426922452] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:42:56,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:42:56,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:42:56,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946604684] [2022-11-18 19:42:56,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:42:56,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:42:56,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:42:56,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:42:56,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:42:56,145 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:42:56,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:42:56,262 INFO L93 Difference]: Finished difference Result 72 states and 76 transitions. [2022-11-18 19:42:56,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:42:56,263 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-18 19:42:56,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:42:56,265 INFO L225 Difference]: With dead ends: 72 [2022-11-18 19:42:56,266 INFO L226 Difference]: Without dead ends: 70 [2022-11-18 19:42:56,267 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 19:42:56,269 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 3 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:42:56,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 150 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:42:56,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-18 19:42:56,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-18 19:42:56,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 47 states have (on average 1.4893617021276595) internal successors, (70), 66 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 19:42:56,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 74 transitions. [2022-11-18 19:42:56,288 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 74 transitions. Word has length 15 [2022-11-18 19:42:56,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:42:56,292 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 74 transitions. [2022-11-18 19:42:56,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:42:56,294 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2022-11-18 19:42:56,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-18 19:42:56,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:42:56,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:42:56,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:42:56,298 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-18 19:42:56,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:42:56,300 INFO L85 PathProgramCache]: Analyzing trace with hash 642671183, now seen corresponding path program 1 times [2022-11-18 19:42:56,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:42:56,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843717889] [2022-11-18 19:42:56,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:42:56,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:42:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:56,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:42:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:56,410 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 19:42:56,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:42:56,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843717889] [2022-11-18 19:42:56,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843717889] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:42:56,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:42:56,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:42:56,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707249496] [2022-11-18 19:42:56,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:42:56,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:42:56,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:42:56,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:42:56,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:42:56,420 INFO L87 Difference]: Start difference. First operand 70 states and 74 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:42:56,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:42:56,554 INFO L93 Difference]: Finished difference Result 117 states and 126 transitions. [2022-11-18 19:42:56,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:42:56,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-18 19:42:56,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:42:56,556 INFO L225 Difference]: With dead ends: 117 [2022-11-18 19:42:56,556 INFO L226 Difference]: Without dead ends: 101 [2022-11-18 19:42:56,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 19:42:56,558 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 25 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:42:56,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 76 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:42:56,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-18 19:42:56,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 95. [2022-11-18 19:42:56,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 89 states have internal predecessors, (96), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 19:42:56,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 104 transitions. [2022-11-18 19:42:56,571 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 104 transitions. Word has length 16 [2022-11-18 19:42:56,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:42:56,573 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 104 transitions. [2022-11-18 19:42:56,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:42:56,573 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2022-11-18 19:42:56,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-18 19:42:56,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:42:56,574 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:42:56,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:42:56,575 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-18 19:42:56,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:42:56,576 INFO L85 PathProgramCache]: Analyzing trace with hash -666651087, now seen corresponding path program 1 times [2022-11-18 19:42:56,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:42:56,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41752769] [2022-11-18 19:42:56,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:42:56,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:42:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:56,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:42:56,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:42:56,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41752769] [2022-11-18 19:42:56,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41752769] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:42:56,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995006047] [2022-11-18 19:42:56,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:42:56,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:42:56,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:42:56,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:42:56,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 19:42:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:56,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 19:42:56,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:42:56,861 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:42:56,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:42:56,916 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:42:56,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995006047] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:42:56,917 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:42:56,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-18 19:42:56,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69637636] [2022-11-18 19:42:56,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:42:56,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 19:42:56,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:42:56,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 19:42:56,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:42:56,919 INFO L87 Difference]: Start difference. First operand 95 states and 104 transitions. Second operand has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 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 19:42:57,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:42:57,182 INFO L93 Difference]: Finished difference Result 123 states and 134 transitions. [2022-11-18 19:42:57,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 19:42:57,196 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 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 21 [2022-11-18 19:42:57,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:42:57,197 INFO L225 Difference]: With dead ends: 123 [2022-11-18 19:42:57,198 INFO L226 Difference]: Without dead ends: 122 [2022-11-18 19:42:57,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-11-18 19:42:57,199 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 114 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:42:57,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 146 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:42:57,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-18 19:42:57,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 112. [2022-11-18 19:42:57,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 87 states have (on average 1.3218390804597702) internal successors, (115), 106 states have internal predecessors, (115), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 19:42:57,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 123 transitions. [2022-11-18 19:42:57,212 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 123 transitions. Word has length 21 [2022-11-18 19:42:57,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:42:57,213 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 123 transitions. [2022-11-18 19:42:57,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 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 19:42:57,213 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 123 transitions. [2022-11-18 19:42:57,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-18 19:42:57,218 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:42:57,218 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:42:57,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:42:57,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:42:57,428 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-18 19:42:57,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:42:57,428 INFO L85 PathProgramCache]: Analyzing trace with hash 808652924, now seen corresponding path program 1 times [2022-11-18 19:42:57,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:42:57,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691883545] [2022-11-18 19:42:57,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:42:57,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:42:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:57,592 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-18 19:42:57,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:42:57,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691883545] [2022-11-18 19:42:57,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691883545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:42:57,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:42:57,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:42:57,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125126707] [2022-11-18 19:42:57,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:42:57,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:42:57,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:42:57,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:42:57,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:42:57,595 INFO L87 Difference]: Start difference. First operand 112 states and 123 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 19:42:57,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:42:57,731 INFO L93 Difference]: Finished difference Result 149 states and 162 transitions. [2022-11-18 19:42:57,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:42:57,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 22 [2022-11-18 19:42:57,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:42:57,733 INFO L225 Difference]: With dead ends: 149 [2022-11-18 19:42:57,733 INFO L226 Difference]: Without dead ends: 117 [2022-11-18 19:42:57,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:42:57,735 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 184 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:42:57,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 62 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:42:57,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-11-18 19:42:57,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 112. [2022-11-18 19:42:57,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 87 states have (on average 1.3103448275862069) internal successors, (114), 106 states have internal predecessors, (114), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 19:42:57,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 122 transitions. [2022-11-18 19:42:57,746 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 122 transitions. Word has length 22 [2022-11-18 19:42:57,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:42:57,748 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 122 transitions. [2022-11-18 19:42:57,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 19:42:57,749 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 122 transitions. [2022-11-18 19:42:57,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-18 19:42:57,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:42:57,750 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:42:57,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:42:57,750 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-18 19:42:57,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:42:57,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1251074860, now seen corresponding path program 1 times [2022-11-18 19:42:57,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:42:57,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123004465] [2022-11-18 19:42:57,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:42:57,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:42:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:57,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:42:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:57,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 19:42:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:57,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:42:57,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:42:57,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123004465] [2022-11-18 19:42:57,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123004465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:42:57,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:42:57,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:42:57,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863456568] [2022-11-18 19:42:57,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:42:57,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:42:57,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:42:57,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:42:57,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:42:57,891 INFO L87 Difference]: Start difference. First operand 112 states and 122 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 19:42:58,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:42:58,011 INFO L93 Difference]: Finished difference Result 117 states and 127 transitions. [2022-11-18 19:42:58,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:42:58,012 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2022-11-18 19:42:58,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:42:58,013 INFO L225 Difference]: With dead ends: 117 [2022-11-18 19:42:58,013 INFO L226 Difference]: Without dead ends: 115 [2022-11-18 19:42:58,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 19:42:58,014 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 13 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:42:58,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 122 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:42:58,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-11-18 19:42:58,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2022-11-18 19:42:58,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 90 states have (on average 1.3) internal successors, (117), 109 states have internal predecessors, (117), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 19:42:58,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 125 transitions. [2022-11-18 19:42:58,026 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 125 transitions. Word has length 31 [2022-11-18 19:42:58,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:42:58,027 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 125 transitions. [2022-11-18 19:42:58,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 19:42:58,027 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 125 transitions. [2022-11-18 19:42:58,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-18 19:42:58,028 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:42:58,028 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:42:58,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:42:58,029 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-18 19:42:58,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:42:58,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1680866164, now seen corresponding path program 1 times [2022-11-18 19:42:58,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:42:58,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685516324] [2022-11-18 19:42:58,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:42:58,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:42:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:58,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:42:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:58,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 19:42:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:58,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:42:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:58,152 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 19:42:58,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:42:58,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685516324] [2022-11-18 19:42:58,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685516324] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:42:58,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605931481] [2022-11-18 19:42:58,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:42:58,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:42:58,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:42:58,154 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:42:58,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 19:42:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:58,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:42:58,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:42:58,339 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 19:42:58,339 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:42:58,417 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 19:42:58,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605931481] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:42:58,418 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:42:58,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-11-18 19:42:58,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033802137] [2022-11-18 19:42:58,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:42:58,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 19:42:58,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:42:58,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 19:42:58,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:42:58,420 INFO L87 Difference]: Start difference. First operand 115 states and 125 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 5 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2022-11-18 19:42:58,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:42:58,663 INFO L93 Difference]: Finished difference Result 157 states and 191 transitions. [2022-11-18 19:42:58,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 19:42:58,663 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 5 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 42 [2022-11-18 19:42:58,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:42:58,665 INFO L225 Difference]: With dead ends: 157 [2022-11-18 19:42:58,665 INFO L226 Difference]: Without dead ends: 148 [2022-11-18 19:42:58,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-11-18 19:42:58,666 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 208 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:42:58,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 116 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:42:58,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-11-18 19:42:58,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 145. [2022-11-18 19:42:58,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 123 states have (on average 1.2845528455284554) internal successors, (158), 136 states have internal predecessors, (158), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-18 19:42:58,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 172 transitions. [2022-11-18 19:42:58,678 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 172 transitions. Word has length 42 [2022-11-18 19:42:58,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:42:58,678 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 172 transitions. [2022-11-18 19:42:58,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 5 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2022-11-18 19:42:58,686 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 172 transitions. [2022-11-18 19:42:58,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-18 19:42:58,687 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:42:58,687 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:42:58,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:42:58,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:42:58,895 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-18 19:42:58,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:42:58,895 INFO L85 PathProgramCache]: Analyzing trace with hash -567243462, now seen corresponding path program 1 times [2022-11-18 19:42:58,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:42:58,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714264647] [2022-11-18 19:42:58,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:42:58,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:42:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:59,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:42:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:59,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 19:42:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:59,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:42:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:59,025 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 19:42:59,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:42:59,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714264647] [2022-11-18 19:42:59,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714264647] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:42:59,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518158559] [2022-11-18 19:42:59,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:42:59,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:42:59,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:42:59,030 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:42:59,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 19:42:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:59,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:42:59,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:42:59,175 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 19:42:59,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:42:59,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518158559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:42:59,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:42:59,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-18 19:42:59,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852160383] [2022-11-18 19:42:59,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:42:59,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:42:59,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:42:59,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:42:59,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:42:59,178 INFO L87 Difference]: Start difference. First operand 145 states and 172 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 19:42:59,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:42:59,292 INFO L93 Difference]: Finished difference Result 145 states and 172 transitions. [2022-11-18 19:42:59,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:42:59,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43 [2022-11-18 19:42:59,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:42:59,294 INFO L225 Difference]: With dead ends: 145 [2022-11-18 19:42:59,294 INFO L226 Difference]: Without dead ends: 136 [2022-11-18 19:42:59,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:42:59,295 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 42 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:42:59,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 103 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:42:59,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-11-18 19:42:59,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2022-11-18 19:42:59,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 123 states have (on average 1.1382113821138211) internal successors, (140), 127 states have internal predecessors, (140), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-18 19:42:59,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 154 transitions. [2022-11-18 19:42:59,306 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 154 transitions. Word has length 43 [2022-11-18 19:42:59,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:42:59,307 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 154 transitions. [2022-11-18 19:42:59,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 19:42:59,307 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 154 transitions. [2022-11-18 19:42:59,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-18 19:42:59,308 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:42:59,308 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:42:59,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 19:42:59,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:42:59,514 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-18 19:42:59,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:42:59,515 INFO L85 PathProgramCache]: Analyzing trace with hash 223301881, now seen corresponding path program 1 times [2022-11-18 19:42:59,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:42:59,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943912368] [2022-11-18 19:42:59,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:42:59,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:42:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:59,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:42:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:59,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 19:42:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:59,702 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-18 19:42:59,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:42:59,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943912368] [2022-11-18 19:42:59,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943912368] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:42:59,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089844315] [2022-11-18 19:42:59,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:42:59,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:42:59,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:42:59,704 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:42:59,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 19:42:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:59,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 19:42:59,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:42:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-18 19:42:59,840 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:42:59,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089844315] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:42:59,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:42:59,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-18 19:42:59,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370470380] [2022-11-18 19:42:59,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:42:59,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:42:59,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:42:59,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:42:59,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:42:59,843 INFO L87 Difference]: Start difference. First operand 136 states and 154 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 19:42:59,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:42:59,944 INFO L93 Difference]: Finished difference Result 136 states and 154 transitions. [2022-11-18 19:42:59,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:42:59,945 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 48 [2022-11-18 19:42:59,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:42:59,948 INFO L225 Difference]: With dead ends: 136 [2022-11-18 19:42:59,948 INFO L226 Difference]: Without dead ends: 135 [2022-11-18 19:42:59,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:42:59,951 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 62 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:42:59,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 86 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:42:59,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-11-18 19:42:59,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2022-11-18 19:42:59,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 123 states have (on average 1.113821138211382) internal successors, (137), 126 states have internal predecessors, (137), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-18 19:42:59,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 151 transitions. [2022-11-18 19:42:59,969 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 151 transitions. Word has length 48 [2022-11-18 19:42:59,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:42:59,970 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 151 transitions. [2022-11-18 19:42:59,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 19:42:59,971 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 151 transitions. [2022-11-18 19:42:59,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-18 19:42:59,978 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:42:59,981 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:42:59,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 19:43:00,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:43:00,187 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-18 19:43:00,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:00,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1291808557, now seen corresponding path program 1 times [2022-11-18 19:43:00,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:00,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989163263] [2022-11-18 19:43:00,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:00,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:01,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:43:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:01,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 19:43:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:01,137 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 37 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:43:01,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:43:01,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989163263] [2022-11-18 19:43:01,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989163263] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:43:01,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976821293] [2022-11-18 19:43:01,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:01,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:43:01,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:43:01,143 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:43:01,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 19:43:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:01,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 19:43:01,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:43:01,458 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-18 19:43:01,458 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:43:01,760 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-18 19:43:01,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976821293] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:43:01,761 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:43:01,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 11] total 37 [2022-11-18 19:43:01,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017803279] [2022-11-18 19:43:01,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:43:01,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-11-18 19:43:01,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:43:01,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-11-18 19:43:01,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=1108, Unknown=0, NotChecked=0, Total=1332 [2022-11-18 19:43:01,763 INFO L87 Difference]: Start difference. First operand 135 states and 151 transitions. Second operand has 37 states, 37 states have (on average 3.8378378378378377) internal successors, (142), 37 states have internal predecessors, (142), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 19:43:02,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:43:02,984 INFO L93 Difference]: Finished difference Result 203 states and 225 transitions. [2022-11-18 19:43:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-18 19:43:02,985 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.8378378378378377) internal successors, (142), 37 states have internal predecessors, (142), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 65 [2022-11-18 19:43:02,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:43:02,986 INFO L225 Difference]: With dead ends: 203 [2022-11-18 19:43:02,986 INFO L226 Difference]: Without dead ends: 172 [2022-11-18 19:43:02,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1168 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=893, Invalid=3397, Unknown=0, NotChecked=0, Total=4290 [2022-11-18 19:43:02,988 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 645 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:43:02,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 264 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 19:43:02,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-11-18 19:43:02,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 171. [2022-11-18 19:43:02,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 159 states have (on average 1.0817610062893082) internal successors, (172), 162 states have internal predecessors, (172), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-18 19:43:02,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 186 transitions. [2022-11-18 19:43:02,999 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 186 transitions. Word has length 65 [2022-11-18 19:43:02,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:43:02,999 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 186 transitions. [2022-11-18 19:43:03,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.8378378378378377) internal successors, (142), 37 states have internal predecessors, (142), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 19:43:03,000 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 186 transitions. [2022-11-18 19:43:03,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-18 19:43:03,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:43:03,001 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:43:03,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 19:43:03,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-18 19:43:03,207 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-18 19:43:03,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:03,208 INFO L85 PathProgramCache]: Analyzing trace with hash -814471758, now seen corresponding path program 1 times [2022-11-18 19:43:03,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:03,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685969147] [2022-11-18 19:43:03,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:03,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:43:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 19:43:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:43:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 19:43:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:43:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 19:43:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,312 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-18 19:43:03,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:43:03,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685969147] [2022-11-18 19:43:03,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685969147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:43:03,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:43:03,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:43:03,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105279719] [2022-11-18 19:43:03,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:43:03,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:43:03,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:43:03,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:43:03,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:43:03,315 INFO L87 Difference]: Start difference. First operand 171 states and 186 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 19:43:03,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:43:03,374 INFO L93 Difference]: Finished difference Result 171 states and 186 transitions. [2022-11-18 19:43:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:43:03,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 83 [2022-11-18 19:43:03,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:43:03,376 INFO L225 Difference]: With dead ends: 171 [2022-11-18 19:43:03,376 INFO L226 Difference]: Without dead ends: 170 [2022-11-18 19:43:03,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 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 19:43:03,377 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 23 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:43:03,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 76 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:43:03,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-11-18 19:43:03,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2022-11-18 19:43:03,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 159 states have (on average 1.0754716981132075) internal successors, (171), 161 states have internal predecessors, (171), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-18 19:43:03,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 185 transitions. [2022-11-18 19:43:03,388 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 185 transitions. Word has length 83 [2022-11-18 19:43:03,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:43:03,388 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 185 transitions. [2022-11-18 19:43:03,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 19:43:03,389 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 185 transitions. [2022-11-18 19:43:03,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-18 19:43:03,390 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:43:03,390 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:43:03,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 19:43:03,391 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-18 19:43:03,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:03,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1766658630, now seen corresponding path program 2 times [2022-11-18 19:43:03,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:03,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012470374] [2022-11-18 19:43:03,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:03,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:43:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 19:43:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:43:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 19:43:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:43:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 19:43:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 19:43:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,868 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-18 19:43:03,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:43:03,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012470374] [2022-11-18 19:43:03,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012470374] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:43:03,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512490041] [2022-11-18 19:43:03,869 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 19:43:03,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:43:03,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:43:03,871 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:43:03,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 19:43:03,960 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 19:43:03,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:43:03,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 19:43:03,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:43:04,344 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-18 19:43:04,344 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:43:04,535 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-18 19:43:04,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512490041] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:43:04,536 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:43:04,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 3] total 10 [2022-11-18 19:43:04,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047065673] [2022-11-18 19:43:04,537 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:43:04,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 19:43:04,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:43:04,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 19:43:04,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:43:04,539 INFO L87 Difference]: Start difference. First operand 170 states and 185 transitions. Second operand has 11 states, 10 states have (on average 8.6) internal successors, (86), 11 states have internal predecessors, (86), 5 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2022-11-18 19:43:04,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:43:04,697 INFO L93 Difference]: Finished difference Result 170 states and 185 transitions. [2022-11-18 19:43:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 19:43:04,698 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.6) internal successors, (86), 11 states have internal predecessors, (86), 5 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 94 [2022-11-18 19:43:04,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:43:04,701 INFO L225 Difference]: With dead ends: 170 [2022-11-18 19:43:04,701 INFO L226 Difference]: Without dead ends: 168 [2022-11-18 19:43:04,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 196 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-11-18 19:43:04,703 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 263 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:43:04,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 38 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:43:04,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-11-18 19:43:04,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 135. [2022-11-18 19:43:04,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 129 states have (on average 1.0465116279069768) internal successors, (135), 129 states have internal predecessors, (135), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 19:43:04,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 143 transitions. [2022-11-18 19:43:04,715 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 143 transitions. Word has length 94 [2022-11-18 19:43:04,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:43:04,715 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 143 transitions. [2022-11-18 19:43:04,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.6) internal successors, (86), 11 states have internal predecessors, (86), 5 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2022-11-18 19:43:04,716 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 143 transitions. [2022-11-18 19:43:04,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-18 19:43:04,723 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:43:04,723 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:43:04,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-18 19:43:04,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-18 19:43:04,928 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-18 19:43:04,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:04,929 INFO L85 PathProgramCache]: Analyzing trace with hash -888437004, now seen corresponding path program 2 times [2022-11-18 19:43:04,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:04,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961989154] [2022-11-18 19:43:04,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:04,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:06,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:43:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:06,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 19:43:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:06,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:43:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:06,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 19:43:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:06,972 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 265 proven. 81 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-18 19:43:06,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:43:06,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961989154] [2022-11-18 19:43:06,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961989154] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:43:06,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868075199] [2022-11-18 19:43:06,973 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 19:43:06,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:43:06,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:43:06,975 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:43:06,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 19:43:07,061 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 19:43:07,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:43:07,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:43:07,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:43:07,293 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-11-18 19:43:07,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:43:07,540 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-11-18 19:43:07,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868075199] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:43:07,541 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:43:07,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 4, 4] total 34 [2022-11-18 19:43:07,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321018024] [2022-11-18 19:43:07,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:43:07,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-18 19:43:07,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:43:07,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-18 19:43:07,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=933, Unknown=0, NotChecked=0, Total=1122 [2022-11-18 19:43:07,545 INFO L87 Difference]: Start difference. First operand 135 states and 143 transitions. Second operand has 34 states, 34 states have (on average 4.4411764705882355) internal successors, (151), 34 states have internal predecessors, (151), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-18 19:43:08,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:43:08,529 INFO L93 Difference]: Finished difference Result 254 states and 272 transitions. [2022-11-18 19:43:08,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 19:43:08,532 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 4.4411764705882355) internal successors, (151), 34 states have internal predecessors, (151), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 127 [2022-11-18 19:43:08,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:43:08,533 INFO L225 Difference]: With dead ends: 254 [2022-11-18 19:43:08,533 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 19:43:08,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 259 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 866 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=488, Invalid=2482, Unknown=0, NotChecked=0, Total=2970 [2022-11-18 19:43:08,535 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 453 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:43:08,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 243 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 19:43:08,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 19:43:08,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 19:43:08,536 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 19:43:08,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 19:43:08,536 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 127 [2022-11-18 19:43:08,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:43:08,536 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:43:08,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.4411764705882355) internal successors, (151), 34 states have internal predecessors, (151), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-18 19:43:08,536 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 19:43:08,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 19:43:08,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2022-11-18 19:43:08,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2022-11-18 19:43:08,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2022-11-18 19:43:08,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2022-11-18 19:43:08,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2022-11-18 19:43:08,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2022-11-18 19:43:08,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2022-11-18 19:43:08,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2022-11-18 19:43:08,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2022-11-18 19:43:08,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2022-11-18 19:43:08,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2022-11-18 19:43:08,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2022-11-18 19:43:08,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2022-11-18 19:43:08,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2022-11-18 19:43:08,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2022-11-18 19:43:08,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2022-11-18 19:43:08,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2022-11-18 19:43:08,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2022-11-18 19:43:08,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2022-11-18 19:43:08,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2022-11-18 19:43:08,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2022-11-18 19:43:08,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2022-11-18 19:43:08,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 19:43:08,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:43:08,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 19:43:09,173 INFO L902 garLoopResultBuilder]: At program point ReadFromPortENTRY(lines 12 16) the Hoare annotation is: true [2022-11-18 19:43:09,173 INFO L899 garLoopResultBuilder]: For program point ReadFromPortFINAL(lines 12 16) no Hoare annotation was computed. [2022-11-18 19:43:09,173 INFO L899 garLoopResultBuilder]: For program point ReadFromPortEXIT(lines 12 16) no Hoare annotation was computed. [2022-11-18 19:43:09,173 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-18 19:43:09,174 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-18 19:43:09,174 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-18 19:43:09,174 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-11-18 19:43:09,174 INFO L899 garLoopResultBuilder]: For program point L36-2(lines 36 57) no Hoare annotation was computed. [2022-11-18 19:43:09,174 INFO L899 garLoopResultBuilder]: For program point L36-4(lines 36 57) no Hoare annotation was computed. [2022-11-18 19:43:09,175 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-18 19:43:09,175 INFO L899 garLoopResultBuilder]: For program point L36-5(line 36) no Hoare annotation was computed. [2022-11-18 19:43:09,175 INFO L899 garLoopResultBuilder]: For program point L36-6(line 36) no Hoare annotation was computed. [2022-11-18 19:43:09,175 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 19:43:09,175 INFO L895 garLoopResultBuilder]: At program point L36-7(lines 36 57) the Hoare annotation is: (let ((.cse0 (<= 2 ~SIZE~0)) (.cse1 (<= ~SIZE~0 99999)) (.cse2 (= ~SIZE~0 (* 2 (div ~SIZE~0 2)))) (.cse3 (<= ~MAX~0 100000))) (or (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 1) .cse1 .cse2 .cse3) (and .cse0 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3))) [2022-11-18 19:43:09,176 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 19:43:09,176 INFO L899 garLoopResultBuilder]: For program point L36-8(lines 36 57) no Hoare annotation was computed. [2022-11-18 19:43:09,176 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-18 19:43:09,176 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2022-11-18 19:43:09,176 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2022-11-18 19:43:09,176 INFO L899 garLoopResultBuilder]: For program point L45-2(line 45) no Hoare annotation was computed. [2022-11-18 19:43:09,177 INFO L899 garLoopResultBuilder]: For program point L45-3(line 45) no Hoare annotation was computed. [2022-11-18 19:43:09,177 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-18 19:43:09,177 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-18 19:43:09,177 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-18 19:43:09,177 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-18 19:43:09,178 INFO L895 garLoopResultBuilder]: At program point L38(line 38) the Hoare annotation is: (let ((.cse0 (<= 2 ~SIZE~0)) (.cse1 (<= ~SIZE~0 99999)) (.cse2 (= ~SIZE~0 (* 2 (div ~SIZE~0 2)))) (.cse3 (<= ~MAX~0 100000))) (or (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 1) .cse1 .cse2 .cse3) (and .cse0 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (<= |ULTIMATE.start_main_~i~0#1| 49999) .cse3))) [2022-11-18 19:43:09,178 INFO L899 garLoopResultBuilder]: For program point L5(lines 5 7) no Hoare annotation was computed. [2022-11-18 19:43:09,178 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2022-11-18 19:43:09,178 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-11-18 19:43:09,178 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-18 19:43:09,178 INFO L899 garLoopResultBuilder]: For program point L55-1(line 55) no Hoare annotation was computed. [2022-11-18 19:43:09,179 INFO L899 garLoopResultBuilder]: For program point L55-2(line 55) no Hoare annotation was computed. [2022-11-18 19:43:09,179 INFO L899 garLoopResultBuilder]: For program point L55-3(line 55) no Hoare annotation was computed. [2022-11-18 19:43:09,179 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-18 19:43:09,179 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 46) no Hoare annotation was computed. [2022-11-18 19:43:09,179 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-11-18 19:43:09,179 INFO L895 garLoopResultBuilder]: At program point L39-2(lines 39 46) the Hoare annotation is: (let ((.cse0 (<= 2 ~SIZE~0)) (.cse1 (<= ~SIZE~0 99999)) (.cse2 (= ~SIZE~0 (* 2 (div ~SIZE~0 2)))) (.cse3 (<= ~MAX~0 100000))) (or (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 1) .cse1 .cse2 .cse3) (and .cse0 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (<= |ULTIMATE.start_main_~i~0#1| 49999) .cse3))) [2022-11-18 19:43:09,180 INFO L895 garLoopResultBuilder]: At program point L64(lines 22 65) the Hoare annotation is: (<= ~MAX~0 100000) [2022-11-18 19:43:09,180 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-18 19:43:09,180 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2022-11-18 19:43:09,180 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-18 19:43:09,180 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 19:43:09,181 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-18 19:43:09,181 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 59) no Hoare annotation was computed. [2022-11-18 19:43:09,181 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 56) no Hoare annotation was computed. [2022-11-18 19:43:09,181 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-18 19:43:09,181 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-11-18 19:43:09,181 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2022-11-18 19:43:09,182 INFO L899 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2022-11-18 19:43:09,182 INFO L899 garLoopResultBuilder]: For program point L41-2(line 41) no Hoare annotation was computed. [2022-11-18 19:43:09,182 INFO L899 garLoopResultBuilder]: For program point L8-1(line 8) no Hoare annotation was computed. [2022-11-18 19:43:09,182 INFO L899 garLoopResultBuilder]: For program point L41-3(line 41) no Hoare annotation was computed. [2022-11-18 19:43:09,182 INFO L899 garLoopResultBuilder]: For program point L8-3(line 8) no Hoare annotation was computed. [2022-11-18 19:43:09,182 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2022-11-18 19:43:09,182 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 19:43:09,183 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-18 19:43:09,183 INFO L899 garLoopResultBuilder]: For program point L25(lines 25 63) no Hoare annotation was computed. [2022-11-18 19:43:09,183 INFO L899 garLoopResultBuilder]: For program point L25-1(lines 25 63) no Hoare annotation was computed. [2022-11-18 19:43:09,183 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 59) no Hoare annotation was computed. [2022-11-18 19:43:09,183 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-18 19:43:09,184 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-18 19:43:09,184 INFO L899 garLoopResultBuilder]: For program point L59-2(lines 59 62) no Hoare annotation was computed. [2022-11-18 19:43:09,184 INFO L899 garLoopResultBuilder]: For program point L59-3(line 59) no Hoare annotation was computed. [2022-11-18 19:43:09,184 INFO L899 garLoopResultBuilder]: For program point L59-4(line 59) no Hoare annotation was computed. [2022-11-18 19:43:09,184 INFO L895 garLoopResultBuilder]: At program point L59-5(lines 59 62) the Hoare annotation is: (let ((.cse0 (<= 2 ~SIZE~0)) (.cse1 (<= ~SIZE~0 99999)) (.cse2 (= ~SIZE~0 (* 2 (div ~SIZE~0 2)))) (.cse3 (<= ~MAX~0 100000))) (or (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1 .cse2 .cse3))) [2022-11-18 19:43:09,184 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2022-11-18 19:43:09,184 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2022-11-18 19:43:09,185 INFO L899 garLoopResultBuilder]: For program point L51-2(line 51) no Hoare annotation was computed. [2022-11-18 19:43:09,185 INFO L899 garLoopResultBuilder]: For program point L51-3(line 51) no Hoare annotation was computed. [2022-11-18 19:43:09,185 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-18 19:43:09,185 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-18 19:43:09,189 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:43:09,191 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:43:09,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:43:09 BoogieIcfgContainer [2022-11-18 19:43:09,222 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:43:09,229 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:43:09,229 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:43:09,229 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:43:09,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:42:54" (3/4) ... [2022-11-18 19:43:09,232 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 19:43:09,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ReadFromPort [2022-11-18 19:43:09,242 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-18 19:43:09,243 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-18 19:43:09,243 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 19:43:09,243 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:43:09,243 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:43:09,284 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 19:43:09,284 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:43:09,285 INFO L158 Benchmark]: Toolchain (without parser) took 15599.03ms. Allocated memory was 90.2MB in the beginning and 232.8MB in the end (delta: 142.6MB). Free memory was 56.6MB in the beginning and 205.5MB in the end (delta: -148.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:43:09,285 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory was 60.6MB in the beginning and 60.5MB in the end (delta: 26.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:43:09,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.99ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 56.4MB in the beginning and 85.6MB in the end (delta: -29.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:43:09,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.18ms. Allocated memory is still 109.1MB. Free memory was 85.6MB in the beginning and 83.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:43:09,286 INFO L158 Benchmark]: Boogie Preprocessor took 35.01ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 82.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:43:09,287 INFO L158 Benchmark]: RCFGBuilder took 730.29ms. Allocated memory is still 109.1MB. Free memory was 82.1MB in the beginning and 67.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 19:43:09,287 INFO L158 Benchmark]: TraceAbstraction took 14316.28ms. Allocated memory was 109.1MB in the beginning and 232.8MB in the end (delta: 123.7MB). Free memory was 66.9MB in the beginning and 208.6MB in the end (delta: -141.7MB). Peak memory consumption was 121.3MB. Max. memory is 16.1GB. [2022-11-18 19:43:09,288 INFO L158 Benchmark]: Witness Printer took 55.17ms. Allocated memory is still 232.8MB. Free memory was 208.6MB in the beginning and 205.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:43:09,290 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory was 60.6MB in the beginning and 60.5MB in the end (delta: 26.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.99ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 56.4MB in the beginning and 85.6MB in the end (delta: -29.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.18ms. Allocated memory is still 109.1MB. Free memory was 85.6MB in the beginning and 83.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.01ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 82.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 730.29ms. Allocated memory is still 109.1MB. Free memory was 82.1MB in the beginning and 67.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 14316.28ms. Allocated memory was 109.1MB in the beginning and 232.8MB in the end (delta: 123.7MB). Free memory was 66.9MB in the beginning and 208.6MB in the end (delta: -141.7MB). Peak memory consumption was 121.3MB. Max. memory is 16.1GB. * Witness Printer took 55.17ms. Allocated memory is still 232.8MB. Free memory was 208.6MB in the beginning and 205.5MB 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: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: 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 2 procedures, 71 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 14.2s, OverallIterations: 13, TraceHistogramMax: 11, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2316 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2304 mSDsluCounter, 1557 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1036 mSDsCounter, 321 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2240 IncrementalHoareTripleChecker+Invalid, 2561 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 321 mSolverCounterUnsat, 521 mSDtfsCounter, 2240 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1015 GetRequests, 816 SyntacticMatches, 4 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2151 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred in iteration=10, InterpolantAutomatonStates: 129, 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, 13 MinimizatonAttempts, 58 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 15 PreInvPairs, 49 NumberOfFragments, 174 HoareAnnotationTreeSize, 15 FomulaSimplifications, 260 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 6 FomulaSimplificationsInter, 1133 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 1054 NumberOfCodeBlocks, 864 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1378 ConstructedInterpolants, 0 QuantifiedInterpolants, 6075 SizeOfPredicates, 16 NumberOfNonLiveVariables, 967 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 25 InterpolantComputations, 8 PerfectInterpolantSequences, 1535/1943 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 22 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: MAX <= 100000 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((1 <= i && 2 <= SIZE) && SIZE <= 99999) && SIZE == 2 * (SIZE / 2)) && MAX <= 100000) || ((((i == 0 && 2 <= SIZE) && SIZE <= 99999) && SIZE == 2 * (SIZE / 2)) && MAX <= 100000) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((2 <= SIZE && i == 1) && SIZE <= 99999) && SIZE == 2 * (SIZE / 2)) && MAX <= 100000) || ((((2 <= SIZE && 2 <= i) && SIZE <= 99999) && SIZE == 2 * (SIZE / 2)) && MAX <= 100000) RESULT: Ultimate proved your program to be correct! [2022-11-18 19:43:09,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff8f105-0bb5-4c61-9d78-dd8ad8c9eebf/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