./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add_1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/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_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/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_70368ece-749b-4fee-8f86-3697e7884631/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 db53fe9124e215e75c7f288cadf12df33daef67c04c75ea6ca77bc804670a99c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:53:52,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:53:52,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:53:52,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:53:52,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:53:52,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:53:52,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:53:52,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:53:52,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:53:52,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:53:52,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:53:52,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:53:52,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:53:52,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:53:52,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:53:52,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:53:52,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:53:52,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:53:52,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:53:52,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:53:52,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:53:52,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:53:52,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:53:52,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:53:52,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:53:52,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:53:52,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:53:52,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:53:52,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:53:52,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:53:52,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:53:52,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:53:52,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:53:52,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:53:52,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:53:52,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:53:52,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:53:52,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:53:52,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:53:52,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:53:52,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:53:52,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-18 20:53:52,766 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:53:52,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:53:52,767 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:53:52,767 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:53:52,768 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:53:52,768 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:53:52,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:53:52,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:53:52,769 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:53:52,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:53:52,770 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:53:52,770 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:53:52,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:53:52,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:53:52,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:53:52,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:53:52,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:53:52,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:53:52,772 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:53:52,772 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:53:52,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:53:52,773 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:53:52,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:53:52,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:53:52,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:53:52,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:53:52,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:53:52,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:53:52,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:53:52,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:53:52,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:53:52,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:53:52,776 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:53:52,776 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:53:52,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:53:52,777 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_70368ece-749b-4fee-8f86-3697e7884631/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db53fe9124e215e75c7f288cadf12df33daef67c04c75ea6ca77bc804670a99c [2022-11-18 20:53:53,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:53:53,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:53:53,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:53:53,064 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:53:53,065 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:53:53,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/bitvector/byte_add_1-2.i [2022-11-18 20:53:53,144 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/data/f4628eaa0/45f3ac98037d42b9ad6ca235c198772f/FLAG69028f49f [2022-11-18 20:53:53,652 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:53:53,653 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/sv-benchmarks/c/bitvector/byte_add_1-2.i [2022-11-18 20:53:53,660 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/data/f4628eaa0/45f3ac98037d42b9ad6ca235c198772f/FLAG69028f49f [2022-11-18 20:53:54,098 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/data/f4628eaa0/45f3ac98037d42b9ad6ca235c198772f [2022-11-18 20:53:54,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:53:54,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:53:54,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:53:54,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:53:54,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:53:54,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:53:54" (1/1) ... [2022-11-18 20:53:54,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69f21fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:54, skipping insertion in model container [2022-11-18 20:53:54,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:53:54" (1/1) ... [2022-11-18 20:53:54,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:53:54,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:53:54,339 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_70368ece-749b-4fee-8f86-3697e7884631/sv-benchmarks/c/bitvector/byte_add_1-2.i[1168,1181] [2022-11-18 20:53:54,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:53:54,432 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:53:54,454 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_70368ece-749b-4fee-8f86-3697e7884631/sv-benchmarks/c/bitvector/byte_add_1-2.i[1168,1181] [2022-11-18 20:53:54,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:53:54,508 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:53:54,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:54 WrapperNode [2022-11-18 20:53:54,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:53:54,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:53:54,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:53:54,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:53:54,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:54" (1/1) ... [2022-11-18 20:53:54,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:54" (1/1) ... [2022-11-18 20:53:54,584 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 175 [2022-11-18 20:53:54,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:53:54,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:53:54,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:53:54,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:53:54,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:54" (1/1) ... [2022-11-18 20:53:54,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:54" (1/1) ... [2022-11-18 20:53:54,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:54" (1/1) ... [2022-11-18 20:53:54,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:54" (1/1) ... [2022-11-18 20:53:54,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:54" (1/1) ... [2022-11-18 20:53:54,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:54" (1/1) ... [2022-11-18 20:53:54,629 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:54" (1/1) ... [2022-11-18 20:53:54,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:54" (1/1) ... [2022-11-18 20:53:54,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:53:54,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:53:54,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:53:54,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:53:54,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:54" (1/1) ... [2022-11-18 20:53:54,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:53:54,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:53:54,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:53:54,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:53:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:53:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:53:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:53:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:53:54,784 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:53:54,786 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:53:55,233 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:53:55,240 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:53:55,250 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 20:53:55,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:53:55 BoogieIcfgContainer [2022-11-18 20:53:55,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:53:55,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:53:55,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:53:55,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:53:55,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:53:54" (1/3) ... [2022-11-18 20:53:55,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9e763c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:53:55, skipping insertion in model container [2022-11-18 20:53:55,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:54" (2/3) ... [2022-11-18 20:53:55,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9e763c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:53:55, skipping insertion in model container [2022-11-18 20:53:55,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:53:55" (3/3) ... [2022-11-18 20:53:55,276 INFO L112 eAbstractionObserver]: Analyzing ICFG byte_add_1-2.i [2022-11-18 20:53:55,312 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:53:55,312 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-11-18 20:53:55,388 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:53:55,395 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;@76e4ae21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:53:55,396 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2022-11-18 20:53:55,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 81 states have (on average 1.8888888888888888) internal successors, (153), 119 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:55,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-18 20:53:55,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:53:55,407 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-18 20:53:55,408 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-18 20:53:55,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:53:55,414 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-11-18 20:53:55,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:53:55,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520115364] [2022-11-18 20:53:55,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:55,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:53:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:55,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:53:55,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:53:55,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520115364] [2022-11-18 20:53:55,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520115364] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:53:55,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:53:55,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 20:53:55,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563481326] [2022-11-18 20:53:55,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:53:55,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:53:55,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:53:55,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:53:55,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:53:55,624 INFO L87 Difference]: Start difference. First operand has 120 states, 81 states have (on average 1.8888888888888888) internal successors, (153), 119 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:55,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:53:55,648 INFO L93 Difference]: Finished difference Result 144 states and 192 transitions. [2022-11-18 20:53:55,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:53:55,651 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-18 20:53:55,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:53:55,661 INFO L225 Difference]: With dead ends: 144 [2022-11-18 20:53:55,664 INFO L226 Difference]: Without dead ends: 72 [2022-11-18 20:53:55,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:53:55,686 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:53:55,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:53:55,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-11-18 20:53:55,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-11-18 20:53:55,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.408450704225352) internal successors, (100), 71 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:55,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2022-11-18 20:53:55,726 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 4 [2022-11-18 20:53:55,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:53:55,727 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2022-11-18 20:53:55,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:55,728 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2022-11-18 20:53:55,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-18 20:53:55,729 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:53:55,729 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:53:55,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:53:55,730 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-18 20:53:55,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:53:55,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1995494874, now seen corresponding path program 1 times [2022-11-18 20:53:55,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:53:55,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487323507] [2022-11-18 20:53:55,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:55,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:53:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:55,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:53:55,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:53:55,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487323507] [2022-11-18 20:53:55,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487323507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:53:55,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:53:55,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:53:55,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254714840] [2022-11-18 20:53:55,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:53:55,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:53:55,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:53:55,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:53:55,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:53:55,895 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:56,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:53:56,032 INFO L93 Difference]: Finished difference Result 154 states and 227 transitions. [2022-11-18 20:53:56,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:53:56,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-18 20:53:56,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:53:56,034 INFO L225 Difference]: With dead ends: 154 [2022-11-18 20:53:56,035 INFO L226 Difference]: Without dead ends: 104 [2022-11-18 20:53:56,035 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 20:53:56,037 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 35 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:53:56,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 131 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:53:56,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-18 20:53:56,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2022-11-18 20:53:56,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:56,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 134 transitions. [2022-11-18 20:53:56,049 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 134 transitions. Word has length 13 [2022-11-18 20:53:56,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:53:56,049 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 134 transitions. [2022-11-18 20:53:56,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:56,050 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 134 transitions. [2022-11-18 20:53:56,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-18 20:53:56,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:53:56,051 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:53:56,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:53:56,052 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-18 20:53:56,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:53:56,052 INFO L85 PathProgramCache]: Analyzing trace with hash 2081168916, now seen corresponding path program 1 times [2022-11-18 20:53:56,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:53:56,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174634337] [2022-11-18 20:53:56,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:56,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:53:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:56,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 20:53:56,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:53:56,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174634337] [2022-11-18 20:53:56,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174634337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:53:56,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:53:56,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:53:56,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488977870] [2022-11-18 20:53:56,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:53:56,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:53:56,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:53:56,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:53:56,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:53:56,284 INFO L87 Difference]: Start difference. First operand 100 states and 134 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:56,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:53:56,550 INFO L93 Difference]: Finished difference Result 239 states and 326 transitions. [2022-11-18 20:53:56,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:53:56,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-18 20:53:56,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:53:56,553 INFO L225 Difference]: With dead ends: 239 [2022-11-18 20:53:56,553 INFO L226 Difference]: Without dead ends: 176 [2022-11-18 20:53:56,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:53:56,555 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 132 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:53:56,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 306 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:53:56,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-11-18 20:53:56,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 110. [2022-11-18 20:53:56,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 1.3302752293577982) internal successors, (145), 109 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:56,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 145 transitions. [2022-11-18 20:53:56,568 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 145 transitions. Word has length 20 [2022-11-18 20:53:56,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:53:56,569 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 145 transitions. [2022-11-18 20:53:56,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:56,569 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 145 transitions. [2022-11-18 20:53:56,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-18 20:53:56,570 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:53:56,571 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:53:56,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:53:56,571 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-18 20:53:56,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:53:56,572 INFO L85 PathProgramCache]: Analyzing trace with hash 460336243, now seen corresponding path program 1 times [2022-11-18 20:53:56,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:53:56,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541120122] [2022-11-18 20:53:56,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:56,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:53:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:56,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 20:53:56,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:53:56,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541120122] [2022-11-18 20:53:56,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541120122] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:53:56,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:53:56,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:53:56,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503059010] [2022-11-18 20:53:56,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:53:56,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:53:56,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:53:56,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:53:56,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:53:56,745 INFO L87 Difference]: Start difference. First operand 110 states and 145 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:56,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:53:56,973 INFO L93 Difference]: Finished difference Result 277 states and 370 transitions. [2022-11-18 20:53:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:53:56,974 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-18 20:53:56,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:53:56,976 INFO L225 Difference]: With dead ends: 277 [2022-11-18 20:53:56,976 INFO L226 Difference]: Without dead ends: 206 [2022-11-18 20:53:56,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:53:56,980 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 140 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:53:56,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 316 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:53:56,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-11-18 20:53:57,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 126. [2022-11-18 20:53:57,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 1.312) internal successors, (164), 125 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:57,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 164 transitions. [2022-11-18 20:53:57,010 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 164 transitions. Word has length 23 [2022-11-18 20:53:57,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:53:57,010 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 164 transitions. [2022-11-18 20:53:57,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:57,011 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 164 transitions. [2022-11-18 20:53:57,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-18 20:53:57,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:53:57,014 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:53:57,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:53:57,015 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-18 20:53:57,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:53:57,016 INFO L85 PathProgramCache]: Analyzing trace with hash -597656241, now seen corresponding path program 1 times [2022-11-18 20:53:57,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:53:57,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581497558] [2022-11-18 20:53:57,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:57,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:53:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:57,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 20:53:57,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:53:57,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581497558] [2022-11-18 20:53:57,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581497558] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:53:57,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:53:57,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:53:57,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681623327] [2022-11-18 20:53:57,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:53:57,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:53:57,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:53:57,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:53:57,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:53:57,177 INFO L87 Difference]: Start difference. First operand 126 states and 164 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:57,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:53:57,192 INFO L93 Difference]: Finished difference Result 204 states and 268 transitions. [2022-11-18 20:53:57,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:53:57,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 26 [2022-11-18 20:53:57,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:53:57,194 INFO L225 Difference]: With dead ends: 204 [2022-11-18 20:53:57,194 INFO L226 Difference]: Without dead ends: 97 [2022-11-18 20:53:57,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:53:57,198 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 87 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:53:57,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 88 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:53:57,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-11-18 20:53:57,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-11-18 20:53:57,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.3125) internal successors, (126), 96 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:57,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 126 transitions. [2022-11-18 20:53:57,207 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 126 transitions. Word has length 26 [2022-11-18 20:53:57,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:53:57,208 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 126 transitions. [2022-11-18 20:53:57,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:57,208 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 126 transitions. [2022-11-18 20:53:57,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-18 20:53:57,209 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:53:57,209 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:53:57,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:53:57,210 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-18 20:53:57,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:53:57,210 INFO L85 PathProgramCache]: Analyzing trace with hash -2035545942, now seen corresponding path program 1 times [2022-11-18 20:53:57,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:53:57,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104355393] [2022-11-18 20:53:57,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:57,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:53:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:57,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:53:57,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:53:57,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104355393] [2022-11-18 20:53:57,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104355393] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:53:57,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74278967] [2022-11-18 20:53:57,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:57,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:53:57,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:53:57,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:53:57,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:53:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:57,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:53:57,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:53:57,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:53:57,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:53:57,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74278967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:53:57,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:53:57,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-18 20:53:57,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372139821] [2022-11-18 20:53:57,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:53:57,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:53:57,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:53:57,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:53:57,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:53:57,638 INFO L87 Difference]: Start difference. First operand 97 states and 126 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:57,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:53:57,824 INFO L93 Difference]: Finished difference Result 202 states and 294 transitions. [2022-11-18 20:53:57,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:53:57,825 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2022-11-18 20:53:57,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:53:57,826 INFO L225 Difference]: With dead ends: 202 [2022-11-18 20:53:57,826 INFO L226 Difference]: Without dead ends: 152 [2022-11-18 20:53:57,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:53:57,827 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 54 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:53:57,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 152 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:53:57,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-11-18 20:53:57,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 128. [2022-11-18 20:53:57,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.2834645669291338) internal successors, (163), 127 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:57,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 163 transitions. [2022-11-18 20:53:57,836 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 163 transitions. Word has length 32 [2022-11-18 20:53:57,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:53:57,837 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 163 transitions. [2022-11-18 20:53:57,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:57,837 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 163 transitions. [2022-11-18 20:53:57,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-18 20:53:57,839 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:53:57,839 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:53:57,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:53:58,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:53:58,045 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-18 20:53:58,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:53:58,046 INFO L85 PathProgramCache]: Analyzing trace with hash -242317236, now seen corresponding path program 1 times [2022-11-18 20:53:58,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:53:58,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768984332] [2022-11-18 20:53:58,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:58,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:53:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:58,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:53:58,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:53:58,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768984332] [2022-11-18 20:53:58,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768984332] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:53:58,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286722748] [2022-11-18 20:53:58,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:58,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:53:58,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:53:58,272 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:53:58,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 20:53:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:58,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:53:58,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:53:58,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 20:53:58,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:53:58,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286722748] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:53:58,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:53:58,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2022-11-18 20:53:58,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920461164] [2022-11-18 20:53:58,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:53:58,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:53:58,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:53:58,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:53:58,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:53:58,621 INFO L87 Difference]: Start difference. First operand 128 states and 163 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:58,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:53:58,733 INFO L93 Difference]: Finished difference Result 238 states and 317 transitions. [2022-11-18 20:53:58,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:53:58,734 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 39 [2022-11-18 20:53:58,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:53:58,735 INFO L225 Difference]: With dead ends: 238 [2022-11-18 20:53:58,735 INFO L226 Difference]: Without dead ends: 127 [2022-11-18 20:53:58,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:53:58,738 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 105 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:53:58,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 122 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:53:58,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-11-18 20:53:58,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 123. [2022-11-18 20:53:58,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 122 states have (on average 1.2704918032786885) internal successors, (155), 122 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:58,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 155 transitions. [2022-11-18 20:53:58,755 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 155 transitions. Word has length 39 [2022-11-18 20:53:58,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:53:58,756 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 155 transitions. [2022-11-18 20:53:58,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:58,756 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 155 transitions. [2022-11-18 20:53:58,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-18 20:53:58,760 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:53:58,760 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2022-11-18 20:53:58,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-18 20:53:58,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:53:58,966 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-18 20:53:58,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:53:58,966 INFO L85 PathProgramCache]: Analyzing trace with hash -800247111, now seen corresponding path program 1 times [2022-11-18 20:53:58,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:53:58,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124879110] [2022-11-18 20:53:58,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:58,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:53:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:59,097 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:53:59,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:53:59,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124879110] [2022-11-18 20:53:59,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124879110] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:53:59,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064441838] [2022-11-18 20:53:59,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:59,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:53:59,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:53:59,112 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:53:59,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 20:53:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:59,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:53:59,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:53:59,280 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 20:53:59,280 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:53:59,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064441838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:53:59,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:53:59,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2022-11-18 20:53:59,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636946442] [2022-11-18 20:53:59,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:53:59,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:53:59,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:53:59,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:53:59,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:53:59,284 INFO L87 Difference]: Start difference. First operand 123 states and 155 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:59,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:53:59,454 INFO L93 Difference]: Finished difference Result 275 states and 372 transitions. [2022-11-18 20:53:59,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:53:59,454 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 48 [2022-11-18 20:53:59,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:53:59,455 INFO L225 Difference]: With dead ends: 275 [2022-11-18 20:53:59,456 INFO L226 Difference]: Without dead ends: 167 [2022-11-18 20:53:59,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:53:59,457 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 42 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:53:59,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 185 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:53:59,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-11-18 20:53:59,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 145. [2022-11-18 20:53:59,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 144 states have (on average 1.2569444444444444) internal successors, (181), 144 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:59,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 181 transitions. [2022-11-18 20:53:59,463 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 181 transitions. Word has length 48 [2022-11-18 20:53:59,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:53:59,464 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 181 transitions. [2022-11-18 20:53:59,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:59,464 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 181 transitions. [2022-11-18 20:53:59,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-18 20:53:59,465 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:53:59,465 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-18 20:53:59,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:53:59,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-18 20:53:59,672 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-18 20:53:59,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:53:59,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1807635140, now seen corresponding path program 1 times [2022-11-18 20:53:59,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:53:59,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456040585] [2022-11-18 20:53:59,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:59,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:53:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:59,944 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:53:59,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:53:59,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456040585] [2022-11-18 20:53:59,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456040585] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:53:59,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582149558] [2022-11-18 20:53:59,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:59,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:53:59,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:53:59,947 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:53:59,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 20:54:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:00,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:54:00,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:54:02,332 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-18 20:54:02,333 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:54:02,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582149558] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:02,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:54:02,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2022-11-18 20:54:02,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013895960] [2022-11-18 20:54:02,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:02,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:54:02,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:02,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:54:02,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=26, Unknown=1, NotChecked=0, Total=42 [2022-11-18 20:54:02,335 INFO L87 Difference]: Start difference. First operand 145 states and 181 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:02,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:54:02,454 INFO L93 Difference]: Finished difference Result 282 states and 365 transitions. [2022-11-18 20:54:02,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:54:02,454 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 64 [2022-11-18 20:54:02,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:54:02,455 INFO L225 Difference]: With dead ends: 282 [2022-11-18 20:54:02,456 INFO L226 Difference]: Without dead ends: 163 [2022-11-18 20:54:02,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=15, Invalid=26, Unknown=1, NotChecked=0, Total=42 [2022-11-18 20:54:02,457 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 13 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 50 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:54:02,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 163 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 43 Invalid, 0 Unknown, 50 Unchecked, 0.1s Time] [2022-11-18 20:54:02,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-11-18 20:54:02,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 145. [2022-11-18 20:54:02,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 144 states have (on average 1.2569444444444444) internal successors, (181), 144 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:02,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 181 transitions. [2022-11-18 20:54:02,463 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 181 transitions. Word has length 64 [2022-11-18 20:54:02,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:54:02,463 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 181 transitions. [2022-11-18 20:54:02,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:02,464 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 181 transitions. [2022-11-18 20:54:02,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-18 20:54:02,464 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:54:02,465 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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 20:54:02,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:02,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:54:02,670 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-18 20:54:02,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:02,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1136776271, now seen corresponding path program 1 times [2022-11-18 20:54:02,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:02,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573328243] [2022-11-18 20:54:02,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:02,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:02,851 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-18 20:54:02,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:02,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573328243] [2022-11-18 20:54:02,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573328243] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:54:02,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61015129] [2022-11-18 20:54:02,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:02,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:54:02,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:02,853 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:54:02,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 20:54:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:02,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 20:54:02,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:54:03,038 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-18 20:54:03,039 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:54:03,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61015129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:03,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:54:03,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-18 20:54:03,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407128203] [2022-11-18 20:54:03,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:03,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:54:03,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:03,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:54:03,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:54:03,041 INFO L87 Difference]: Start difference. First operand 145 states and 181 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:03,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:54:03,213 INFO L93 Difference]: Finished difference Result 356 states and 450 transitions. [2022-11-18 20:54:03,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:54:03,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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 74 [2022-11-18 20:54:03,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:54:03,215 INFO L225 Difference]: With dead ends: 356 [2022-11-18 20:54:03,216 INFO L226 Difference]: Without dead ends: 238 [2022-11-18 20:54:03,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:54:03,217 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 96 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:54:03,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 125 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:54:03,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2022-11-18 20:54:03,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 165. [2022-11-18 20:54:03,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 164 states have (on average 1.2621951219512195) internal successors, (207), 164 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:03,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 207 transitions. [2022-11-18 20:54:03,227 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 207 transitions. Word has length 74 [2022-11-18 20:54:03,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:54:03,228 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 207 transitions. [2022-11-18 20:54:03,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:03,228 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 207 transitions. [2022-11-18 20:54:03,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-18 20:54:03,230 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:54:03,230 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2022-11-18 20:54:03,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:03,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-18 20:54:03,439 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-18 20:54:03,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:03,443 INFO L85 PathProgramCache]: Analyzing trace with hash 2036468052, now seen corresponding path program 1 times [2022-11-18 20:54:03,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:03,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220398308] [2022-11-18 20:54:03,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:03,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:03,549 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-18 20:54:03,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:03,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220398308] [2022-11-18 20:54:03,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220398308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:03,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:03,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:54:03,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699601316] [2022-11-18 20:54:03,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:03,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:54:03,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:03,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:54:03,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:54:03,554 INFO L87 Difference]: Start difference. First operand 165 states and 207 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:03,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:54:03,592 INFO L93 Difference]: Finished difference Result 303 states and 384 transitions. [2022-11-18 20:54:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:54:03,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-11-18 20:54:03,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:54:03,594 INFO L225 Difference]: With dead ends: 303 [2022-11-18 20:54:03,594 INFO L226 Difference]: Without dead ends: 165 [2022-11-18 20:54:03,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:54:03,595 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 1 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:54:03,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 132 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:54:03,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-18 20:54:03,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2022-11-18 20:54:03,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 164 states have (on average 1.201219512195122) internal successors, (197), 164 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:03,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 197 transitions. [2022-11-18 20:54:03,602 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 197 transitions. Word has length 76 [2022-11-18 20:54:03,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:54:03,602 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 197 transitions. [2022-11-18 20:54:03,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:03,603 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 197 transitions. [2022-11-18 20:54:03,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-18 20:54:03,603 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:54:03,603 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2022-11-18 20:54:03,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 20:54:03,604 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-18 20:54:03,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:03,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1696856020, now seen corresponding path program 1 times [2022-11-18 20:54:03,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:03,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162163606] [2022-11-18 20:54:03,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:03,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:04,027 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 10 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:04,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:04,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162163606] [2022-11-18 20:54:04,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162163606] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:54:04,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087523841] [2022-11-18 20:54:04,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:04,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:54:04,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:04,029 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:54:04,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 20:54:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:04,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:54:04,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:54:04,325 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-18 20:54:04,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:54:04,581 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 48 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 20:54:04,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087523841] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:54:04,582 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:54:04,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 8] total 18 [2022-11-18 20:54:04,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246374942] [2022-11-18 20:54:04,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:54:04,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-18 20:54:04,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:04,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-18 20:54:04,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2022-11-18 20:54:04,583 INFO L87 Difference]: Start difference. First operand 165 states and 197 transitions. Second operand has 18 states, 18 states have (on average 9.5) internal successors, (171), 18 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:06,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:54:06,837 INFO L93 Difference]: Finished difference Result 560 states and 681 transitions. [2022-11-18 20:54:06,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-18 20:54:06,837 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 9.5) internal successors, (171), 18 states have internal predecessors, (171), 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 77 [2022-11-18 20:54:06,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:54:06,839 INFO L225 Difference]: With dead ends: 560 [2022-11-18 20:54:06,839 INFO L226 Difference]: Without dead ends: 400 [2022-11-18 20:54:06,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 561 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=409, Invalid=1753, Unknown=0, NotChecked=0, Total=2162 [2022-11-18 20:54:06,841 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 902 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 902 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 1358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:54:06,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [902 Valid, 538 Invalid, 1358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 1212 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-18 20:54:06,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2022-11-18 20:54:06,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 264. [2022-11-18 20:54:06,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 263 states have (on average 1.1787072243346008) internal successors, (310), 263 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:06,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 310 transitions. [2022-11-18 20:54:06,853 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 310 transitions. Word has length 77 [2022-11-18 20:54:06,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:54:06,853 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 310 transitions. [2022-11-18 20:54:06,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.5) internal successors, (171), 18 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:06,854 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 310 transitions. [2022-11-18 20:54:06,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 20:54:06,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:54:06,855 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:06,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:07,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:54:07,056 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-18 20:54:07,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:07,056 INFO L85 PathProgramCache]: Analyzing trace with hash 618517707, now seen corresponding path program 1 times [2022-11-18 20:54:07,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:07,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806785155] [2022-11-18 20:54:07,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:07,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:07,252 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-18 20:54:07,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:07,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806785155] [2022-11-18 20:54:07,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806785155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:07,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:07,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:54:07,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876512210] [2022-11-18 20:54:07,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:07,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:54:07,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:07,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:54:07,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:54:07,254 INFO L87 Difference]: Start difference. First operand 264 states and 310 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:07,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:54:07,622 INFO L93 Difference]: Finished difference Result 1029 states and 1207 transitions. [2022-11-18 20:54:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:54:07,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 80 [2022-11-18 20:54:07,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:54:07,625 INFO L225 Difference]: With dead ends: 1029 [2022-11-18 20:54:07,625 INFO L226 Difference]: Without dead ends: 792 [2022-11-18 20:54:07,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:54:07,626 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 209 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:54:07,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 406 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:54:07,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2022-11-18 20:54:07,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 264. [2022-11-18 20:54:07,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 263 states have (on average 1.1787072243346008) internal successors, (310), 263 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 310 transitions. [2022-11-18 20:54:07,642 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 310 transitions. Word has length 80 [2022-11-18 20:54:07,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:54:07,642 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 310 transitions. [2022-11-18 20:54:07,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:07,643 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 310 transitions. [2022-11-18 20:54:07,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-18 20:54:07,643 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:54:07,644 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:07,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 20:54:07,644 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-18 20:54:07,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:07,644 INFO L85 PathProgramCache]: Analyzing trace with hash -112361859, now seen corresponding path program 1 times [2022-11-18 20:54:07,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:07,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390651336] [2022-11-18 20:54:07,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:07,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:07,891 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-18 20:54:07,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:07,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390651336] [2022-11-18 20:54:07,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390651336] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:07,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:07,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:54:07,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156476100] [2022-11-18 20:54:07,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:07,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:54:07,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:07,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:54:07,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:54:07,893 INFO L87 Difference]: Start difference. First operand 264 states and 310 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:08,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:54:08,440 INFO L93 Difference]: Finished difference Result 1298 states and 1520 transitions. [2022-11-18 20:54:08,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:54:08,440 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-11-18 20:54:08,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:54:08,443 INFO L225 Difference]: With dead ends: 1298 [2022-11-18 20:54:08,443 INFO L226 Difference]: Without dead ends: 1061 [2022-11-18 20:54:08,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:54:08,444 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 313 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:54:08,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 556 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 20:54:08,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2022-11-18 20:54:08,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 264. [2022-11-18 20:54:08,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 263 states have (on average 1.1787072243346008) internal successors, (310), 263 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:08,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 310 transitions. [2022-11-18 20:54:08,463 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 310 transitions. Word has length 83 [2022-11-18 20:54:08,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:54:08,463 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 310 transitions. [2022-11-18 20:54:08,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:08,463 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 310 transitions. [2022-11-18 20:54:08,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-18 20:54:08,464 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:54:08,464 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:08,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 20:54:08,465 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-18 20:54:08,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:08,465 INFO L85 PathProgramCache]: Analyzing trace with hash 928368216, now seen corresponding path program 1 times [2022-11-18 20:54:08,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:08,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331514745] [2022-11-18 20:54:08,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:08,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:08,707 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 51 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-18 20:54:08,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:08,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331514745] [2022-11-18 20:54:08,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331514745] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:54:08,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395009922] [2022-11-18 20:54:08,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:08,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:54:08,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:08,709 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:54:08,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 20:54:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:08,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:54:08,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:54:09,012 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-18 20:54:09,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:54:09,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395009922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:09,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:54:09,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2022-11-18 20:54:09,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152312113] [2022-11-18 20:54:09,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:09,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:54:09,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:09,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:54:09,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:54:09,015 INFO L87 Difference]: Start difference. First operand 264 states and 310 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:09,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:54:09,181 INFO L93 Difference]: Finished difference Result 748 states and 880 transitions. [2022-11-18 20:54:09,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:54:09,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 83 [2022-11-18 20:54:09,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:54:09,183 INFO L225 Difference]: With dead ends: 748 [2022-11-18 20:54:09,183 INFO L226 Difference]: Without dead ends: 511 [2022-11-18 20:54:09,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 82 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:54:09,186 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 63 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:54:09,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 199 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:54:09,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2022-11-18 20:54:09,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 477. [2022-11-18 20:54:09,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 476 states have (on average 1.1827731092436975) internal successors, (563), 476 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:09,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 563 transitions. [2022-11-18 20:54:09,212 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 563 transitions. Word has length 83 [2022-11-18 20:54:09,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:54:09,213 INFO L495 AbstractCegarLoop]: Abstraction has 477 states and 563 transitions. [2022-11-18 20:54:09,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:09,213 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 563 transitions. [2022-11-18 20:54:09,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-18 20:54:09,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:54:09,214 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:09,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:09,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-18 20:54:09,419 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-18 20:54:09,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:09,420 INFO L85 PathProgramCache]: Analyzing trace with hash -853788807, now seen corresponding path program 1 times [2022-11-18 20:54:09,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:09,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912437249] [2022-11-18 20:54:09,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:09,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:09,691 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-18 20:54:09,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:09,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912437249] [2022-11-18 20:54:09,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912437249] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:09,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:09,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:54:09,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248777364] [2022-11-18 20:54:09,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:09,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:54:09,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:09,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:54:09,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:54:09,693 INFO L87 Difference]: Start difference. First operand 477 states and 563 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:10,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:54:10,456 INFO L93 Difference]: Finished difference Result 1299 states and 1518 transitions. [2022-11-18 20:54:10,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:54:10,457 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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 85 [2022-11-18 20:54:10,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:54:10,460 INFO L225 Difference]: With dead ends: 1299 [2022-11-18 20:54:10,460 INFO L226 Difference]: Without dead ends: 1062 [2022-11-18 20:54:10,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:54:10,461 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 415 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:54:10,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 839 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 20:54:10,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2022-11-18 20:54:10,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 473. [2022-11-18 20:54:10,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 472 states have (on average 1.1843220338983051) internal successors, (559), 472 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:10,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 559 transitions. [2022-11-18 20:54:10,491 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 559 transitions. Word has length 85 [2022-11-18 20:54:10,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:54:10,491 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 559 transitions. [2022-11-18 20:54:10,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:10,492 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 559 transitions. [2022-11-18 20:54:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-18 20:54:10,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:54:10,493 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:10,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 20:54:10,493 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-18 20:54:10,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:10,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1873307673, now seen corresponding path program 1 times [2022-11-18 20:54:10,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:10,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513008265] [2022-11-18 20:54:10,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:10,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:10,742 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 51 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-18 20:54:10,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:10,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513008265] [2022-11-18 20:54:10,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513008265] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:54:10,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756189530] [2022-11-18 20:54:10,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:10,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:54:10,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:10,746 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:54:10,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 20:54:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:10,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-18 20:54:10,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:54:11,310 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-18 20:54:11,310 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:54:11,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756189530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:11,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:54:11,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2022-11-18 20:54:11,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668655065] [2022-11-18 20:54:11,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:11,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:54:11,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:11,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:54:11,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:54:11,315 INFO L87 Difference]: Start difference. First operand 473 states and 559 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:11,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:54:11,502 INFO L93 Difference]: Finished difference Result 964 states and 1135 transitions. [2022-11-18 20:54:11,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:54:11,503 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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 86 [2022-11-18 20:54:11,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:54:11,505 INFO L225 Difference]: With dead ends: 964 [2022-11-18 20:54:11,505 INFO L226 Difference]: Without dead ends: 727 [2022-11-18 20:54:11,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:54:11,507 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 136 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:54:11,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 311 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:54:11,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2022-11-18 20:54:11,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 473. [2022-11-18 20:54:11,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 472 states have (on average 1.1843220338983051) internal successors, (559), 472 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:11,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 559 transitions. [2022-11-18 20:54:11,533 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 559 transitions. Word has length 86 [2022-11-18 20:54:11,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:54:11,534 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 559 transitions. [2022-11-18 20:54:11,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:11,534 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 559 transitions. [2022-11-18 20:54:11,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-18 20:54:11,538 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:54:11,538 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:11,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:11,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-18 20:54:11,743 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-18 20:54:11,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:11,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1173715893, now seen corresponding path program 1 times [2022-11-18 20:54:11,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:11,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283568370] [2022-11-18 20:54:11,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:11,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:12,065 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 51 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-18 20:54:12,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:12,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283568370] [2022-11-18 20:54:12,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283568370] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:54:12,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020542027] [2022-11-18 20:54:12,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:12,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:54:12,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:12,068 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:54:12,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 20:54:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:12,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-18 20:54:12,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:54:12,629 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 44 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-18 20:54:12,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:54:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-18 20:54:13,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020542027] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:54:13,067 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:54:13,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 20 [2022-11-18 20:54:13,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778370853] [2022-11-18 20:54:13,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:54:13,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-18 20:54:13,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:13,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-18 20:54:13,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2022-11-18 20:54:13,069 INFO L87 Difference]: Start difference. First operand 473 states and 559 transitions. Second operand has 20 states, 20 states have (on average 11.55) internal successors, (231), 20 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:26,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:54:26,722 INFO L93 Difference]: Finished difference Result 4284 states and 4912 transitions. [2022-11-18 20:54:26,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2022-11-18 20:54:26,722 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 11.55) internal successors, (231), 20 states have internal predecessors, (231), 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 89 [2022-11-18 20:54:26,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:54:26,731 INFO L225 Difference]: With dead ends: 4284 [2022-11-18 20:54:26,732 INFO L226 Difference]: Without dead ends: 3679 [2022-11-18 20:54:26,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 166 SyntacticMatches, 2 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14482 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=4688, Invalid=31984, Unknown=0, NotChecked=0, Total=36672 [2022-11-18 20:54:26,745 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 2587 mSDsluCounter, 2228 mSDsCounter, 0 mSdLazyCounter, 4618 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2587 SdHoareTripleChecker+Valid, 2506 SdHoareTripleChecker+Invalid, 4726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 4618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:54:26,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2587 Valid, 2506 Invalid, 4726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 4618 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-18 20:54:26,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3679 states. [2022-11-18 20:54:26,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3679 to 1175. [2022-11-18 20:54:26,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 1174 states have (on average 1.2427597955706984) internal successors, (1459), 1174 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:26,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1459 transitions. [2022-11-18 20:54:26,854 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1459 transitions. Word has length 89 [2022-11-18 20:54:26,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:54:26,854 INFO L495 AbstractCegarLoop]: Abstraction has 1175 states and 1459 transitions. [2022-11-18 20:54:26,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 11.55) internal successors, (231), 20 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:26,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1459 transitions. [2022-11-18 20:54:26,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-18 20:54:26,856 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:54:26,857 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:26,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:27,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:54:27,062 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-18 20:54:27,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:27,063 INFO L85 PathProgramCache]: Analyzing trace with hash 93372685, now seen corresponding path program 1 times [2022-11-18 20:54:27,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:27,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465081350] [2022-11-18 20:54:27,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:27,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:27,237 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 72 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-18 20:54:27,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:27,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465081350] [2022-11-18 20:54:27,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465081350] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:54:27,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813969812] [2022-11-18 20:54:27,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:27,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:54:27,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:27,239 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:54:27,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-18 20:54:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:27,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:54:27,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:54:27,493 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 69 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-18 20:54:27,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:54:27,631 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 68 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-18 20:54:27,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813969812] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:54:27,631 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:54:27,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2022-11-18 20:54:27,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101248910] [2022-11-18 20:54:27,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:54:27,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 20:54:27,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:27,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 20:54:27,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:54:27,633 INFO L87 Difference]: Start difference. First operand 1175 states and 1459 transitions. Second operand has 10 states, 10 states have (on average 12.5) internal successors, (125), 10 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:28,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:54:28,653 INFO L93 Difference]: Finished difference Result 4050 states and 5089 transitions. [2022-11-18 20:54:28,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 20:54:28,654 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.5) internal successors, (125), 10 states have internal predecessors, (125), 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 97 [2022-11-18 20:54:28,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:54:28,661 INFO L225 Difference]: With dead ends: 4050 [2022-11-18 20:54:28,661 INFO L226 Difference]: Without dead ends: 2491 [2022-11-18 20:54:28,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 202 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2022-11-18 20:54:28,665 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 520 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:54:28,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 409 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 20:54:28,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2491 states. [2022-11-18 20:54:28,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2491 to 1878. [2022-11-18 20:54:28,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1878 states, 1877 states have (on average 1.2061800745871072) internal successors, (2264), 1877 states have internal predecessors, (2264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:28,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 1878 states and 2264 transitions. [2022-11-18 20:54:28,783 INFO L78 Accepts]: Start accepts. Automaton has 1878 states and 2264 transitions. Word has length 97 [2022-11-18 20:54:28,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:54:28,784 INFO L495 AbstractCegarLoop]: Abstraction has 1878 states and 2264 transitions. [2022-11-18 20:54:28,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.5) internal successors, (125), 10 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:28,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2264 transitions. [2022-11-18 20:54:28,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-18 20:54:28,786 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:54:28,786 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:28,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:28,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:54:28,992 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-18 20:54:28,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:28,992 INFO L85 PathProgramCache]: Analyzing trace with hash -459279758, now seen corresponding path program 1 times [2022-11-18 20:54:28,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:28,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821465439] [2022-11-18 20:54:28,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:28,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:29,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:54:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:29,157 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:54:29,158 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:54:29,159 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 38 remaining) [2022-11-18 20:54:29,163 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 38 remaining) [2022-11-18 20:54:29,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 38 remaining) [2022-11-18 20:54:29,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 38 remaining) [2022-11-18 20:54:29,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 38 remaining) [2022-11-18 20:54:29,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 38 remaining) [2022-11-18 20:54:29,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 38 remaining) [2022-11-18 20:54:29,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 38 remaining) [2022-11-18 20:54:29,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 38 remaining) [2022-11-18 20:54:29,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 38 remaining) [2022-11-18 20:54:29,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 38 remaining) [2022-11-18 20:54:29,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 38 remaining) [2022-11-18 20:54:29,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 38 remaining) [2022-11-18 20:54:29,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 38 remaining) [2022-11-18 20:54:29,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 38 remaining) [2022-11-18 20:54:29,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 38 remaining) [2022-11-18 20:54:29,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 38 remaining) [2022-11-18 20:54:29,169 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 38 remaining) [2022-11-18 20:54:29,169 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 38 remaining) [2022-11-18 20:54:29,169 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 38 remaining) [2022-11-18 20:54:29,169 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 38 remaining) [2022-11-18 20:54:29,170 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 38 remaining) [2022-11-18 20:54:29,170 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 38 remaining) [2022-11-18 20:54:29,170 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 38 remaining) [2022-11-18 20:54:29,170 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 38 remaining) [2022-11-18 20:54:29,170 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 38 remaining) [2022-11-18 20:54:29,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 38 remaining) [2022-11-18 20:54:29,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 38 remaining) [2022-11-18 20:54:29,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 38 remaining) [2022-11-18 20:54:29,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 38 remaining) [2022-11-18 20:54:29,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 38 remaining) [2022-11-18 20:54:29,172 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 38 remaining) [2022-11-18 20:54:29,172 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 38 remaining) [2022-11-18 20:54:29,172 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 38 remaining) [2022-11-18 20:54:29,172 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 38 remaining) [2022-11-18 20:54:29,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 38 remaining) [2022-11-18 20:54:29,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 38 remaining) [2022-11-18 20:54:29,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 38 remaining) [2022-11-18 20:54:29,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-18 20:54:29,177 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:29,182 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:54:29,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:54:29 BoogieIcfgContainer [2022-11-18 20:54:29,315 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:54:29,315 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:54:29,315 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:54:29,316 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:54:29,316 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:53:55" (3/4) ... [2022-11-18 20:54:29,318 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-18 20:54:29,426 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:54:29,426 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:54:29,427 INFO L158 Benchmark]: Toolchain (without parser) took 35324.41ms. Allocated memory was 111.1MB in the beginning and 220.2MB in the end (delta: 109.1MB). Free memory was 70.2MB in the beginning and 153.3MB in the end (delta: -83.2MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2022-11-18 20:54:29,427 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 111.1MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:54:29,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.86ms. Allocated memory is still 111.1MB. Free memory was 69.9MB in the beginning and 84.3MB in the end (delta: -14.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:54:29,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.43ms. Allocated memory is still 111.1MB. Free memory was 84.3MB in the beginning and 81.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:54:29,428 INFO L158 Benchmark]: Boogie Preprocessor took 50.05ms. Allocated memory is still 111.1MB. Free memory was 81.1MB in the beginning and 79.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:54:29,429 INFO L158 Benchmark]: RCFGBuilder took 616.59ms. Allocated memory is still 111.1MB. Free memory was 79.0MB in the beginning and 56.9MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-18 20:54:29,433 INFO L158 Benchmark]: TraceAbstraction took 34060.78ms. Allocated memory was 111.1MB in the beginning and 220.2MB in the end (delta: 109.1MB). Free memory was 56.4MB in the beginning and 161.7MB in the end (delta: -105.3MB). Peak memory consumption was 89.1MB. Max. memory is 16.1GB. [2022-11-18 20:54:29,433 INFO L158 Benchmark]: Witness Printer took 110.94ms. Allocated memory is still 220.2MB. Free memory was 161.7MB in the beginning and 153.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:54:29,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 111.1MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.86ms. Allocated memory is still 111.1MB. Free memory was 69.9MB in the beginning and 84.3MB in the end (delta: -14.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.43ms. Allocated memory is still 111.1MB. Free memory was 84.3MB in the beginning and 81.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.05ms. Allocated memory is still 111.1MB. Free memory was 81.1MB in the beginning and 79.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 616.59ms. Allocated memory is still 111.1MB. Free memory was 79.0MB in the beginning and 56.9MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 34060.78ms. Allocated memory was 111.1MB in the beginning and 220.2MB in the end (delta: 109.1MB). Free memory was 56.4MB in the beginning and 161.7MB in the end (delta: -105.3MB). Peak memory consumption was 89.1MB. Max. memory is 16.1GB. * Witness Printer took 110.94ms. Allocated memory is still 220.2MB. Free memory was 161.7MB in the beginning and 153.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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 - CounterExampleResult [Line: 116]: integer overflow possible integer overflow possible We found a FailurePath: [L124] unsigned int a, b, r; [L126] b = __VERIFIER_nondet_uint() [L128] a = 234770789 [L130] CALL mp_add(a, b) [L42] unsigned char a0, a1, a2, a3; [L43] unsigned char b0, b1, b2, b3; [L44] unsigned char r0, r1, r2, r3; [L45] unsigned short carry; [L46] unsigned short partial_sum; [L47] unsigned int r; [L48] unsigned char i; [L49] unsigned char na, nb; [L50] a0 = a [L51] a1 = a >> 8 [L52] a2 = a >> 16U [L53] a3 = a >> 24U [L54] b0 = b [L55] b1 = b >> 8U [L56] b2 = b >> 16U [L57] b3 = b >> 24U [L58] na = (unsigned char)4 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, na=4] [L59] COND FALSE !(a3 == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, na=4] [L68] nb = (unsigned char)4 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, na=4, nb=4] [L69] COND FALSE !(b3 == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, na=4, nb=4] [L78] carry = (unsigned short)0 [L79] i = (unsigned char)0 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=0] [L83] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] COND TRUE i == (unsigned char)0 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] EXPR partial_sum + a0 [L84] partial_sum = partial_sum + a0 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L85] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L86] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L87] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L89] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L90] COND TRUE i == (unsigned char)0 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L90] EXPR partial_sum + b0 [L90] partial_sum = partial_sum + b0 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L91] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L92] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L93] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L95] COND FALSE !(partial_sum > ((unsigned char)255)) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L99] COND TRUE i == (unsigned char)0 [L99] r0 = (unsigned char)partial_sum VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101, r0=101] [L100] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101, r0=101] [L101] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101, r0=101] [L102] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101, r0=101] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=101, r0=101] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=0, r0=101] [L83] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=0, r0=101] [L84] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=0, r0=101] [L85] COND TRUE i == (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=0, r0=101] [L85] EXPR partial_sum + a1 [L85] partial_sum = partial_sum + a1 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L86] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L87] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L89] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L90] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L91] COND TRUE i == (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L91] EXPR partial_sum + b1 [L91] partial_sum = partial_sum + b1 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L92] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L93] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L95] COND FALSE !(partial_sum > ((unsigned char)255)) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L99] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L100] COND TRUE i == (unsigned char)1 [L100] r1 = (unsigned char)partial_sum VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101, r1=81] [L101] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101, r1=81] [L102] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101, r1=81] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=81, r0=101, r1=81] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=101, r1=81] [L83] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=101, r1=81] [L84] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=101, r1=81] [L85] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=101, r1=81] [L86] COND TRUE i == (unsigned char)2 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=101, r1=81] [L86] EXPR partial_sum + a2 [L86] partial_sum = partial_sum + a2 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L87] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L89] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L90] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L91] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L92] COND TRUE i == (unsigned char)2 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L92] EXPR partial_sum + b2 [L92] partial_sum = partial_sum + b2 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L93] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L95] COND FALSE !(partial_sum > ((unsigned char)255)) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L99] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L100] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L101] COND TRUE i == (unsigned char)2 [L101] r2 = (unsigned char)partial_sum VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81, r2=254] [L102] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81, r2=254] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=254, r0=101, r1=81, r2=254] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=0, r0=101, r1=81, r2=254] [L83] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=0, r0=101, r1=81, r2=254] [L84] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=0, r0=101, r1=81, r2=254] [L85] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=0, r0=101, r1=81, r2=254] [L86] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=0, r0=101, r1=81, r2=254] [L87] COND TRUE i == (unsigned char)3 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=0, r0=101, r1=81, r2=254] [L87] EXPR partial_sum + a3 [L87] partial_sum = partial_sum + a3 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=13, r0=101, r1=81, r2=254] [L89] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=13, r0=101, r1=81, r2=254] [L90] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=13, r0=101, r1=81, r2=254] [L91] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=13, r0=101, r1=81, r2=254] [L92] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=13, r0=101, r1=81, r2=254] [L93] COND TRUE i == (unsigned char)3 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=13, r0=101, r1=81, r2=254] [L93] EXPR partial_sum + b3 [L93] partial_sum = partial_sum + b3 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254] [L95] COND FALSE !(partial_sum > ((unsigned char)255)) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254] [L99] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254] [L100] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254] [L101] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254] [L102] COND TRUE i == (unsigned char)3 [L102] r3 = (unsigned char)partial_sum VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254, r3=128] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254, r3=128] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254, r3=128] [L107] COND FALSE !(i < (unsigned char)4) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254, r3=128] [L116] r1 << 8U VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254, r3=128] [L116] r2 << 16U VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254, r3=128] [L116] r3 << 24U VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254, r3=128] - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 33.8s, OverallIterations: 20, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 20.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5850 SdHoareTripleChecker+Valid, 10.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5850 mSDsluCounter, 7597 SdHoareTripleChecker+Invalid, 8.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 50 IncrementalHoareTripleChecker+Unchecked, 5508 mSDsCounter, 465 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8227 IncrementalHoareTripleChecker+Invalid, 8742 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 465 mSolverCounterUnsat, 2089 mSDtfsCounter, 8227 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1329 GetRequests, 992 SyntacticMatches, 16 SemanticMatches, 321 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15183 ImplicationChecksByTransitivity, 12.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1878occurred in iteration=19, InterpolantAutomatonStates: 304, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 19 MinimizatonAttempts, 5746 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 1889 NumberOfCodeBlocks, 1889 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 2019 ConstructedInterpolants, 2 QuantifiedInterpolants, 9909 SizeOfPredicates, 31 NumberOfNonLiveVariables, 1570 ConjunctsInSsa, 101 ConjunctsInUnsatCore, 32 InterpolantComputations, 16 PerfectInterpolantSequences, 1435/1743 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-18 20:54:29,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70368ece-749b-4fee-8f86-3697e7884631/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)