./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/java_Nested.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/java_Nested.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6f3c7109e3632c85dc9002b2a2bde96ba9bdc501efcd49505c298845bf1ea677 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:04:39,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:04:39,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:04:39,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:04:39,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:04:39,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:04:39,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:04:39,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:04:39,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:04:39,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:04:39,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:04:39,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:04:39,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:04:39,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:04:39,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:04:39,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:04:39,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:04:39,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:04:39,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:04:39,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:04:39,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:04:39,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:04:39,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:04:39,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:04:39,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:04:39,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:04:39,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:04:39,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:04:39,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:04:39,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:04:39,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:04:39,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:04:39,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:04:39,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:04:39,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:04:39,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:04:39,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:04:39,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:04:39,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:04:39,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:04:39,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:04:39,969 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 12:04:40,022 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:04:40,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:04:40,022 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:04:40,022 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:04:40,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:04:40,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:04:40,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:04:40,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:04:40,031 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:04:40,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:04:40,032 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:04:40,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:04:40,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:04:40,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:04:40,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:04:40,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:04:40,033 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 12:04:40,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:04:40,033 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:04:40,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:04:40,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:04:40,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:04:40,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:04:40,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:04:40,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:04:40,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:04:40,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:04:40,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:04:40,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:04:40,035 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:04:40,035 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:04:40,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:04:40,036 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_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f3c7109e3632c85dc9002b2a2bde96ba9bdc501efcd49505c298845bf1ea677 [2022-11-20 12:04:40,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:04:40,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:04:40,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:04:40,310 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:04:40,311 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:04:40,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-restricted-15/java_Nested.c [2022-11-20 12:04:43,325 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:04:43,485 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:04:43,485 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/sv-benchmarks/c/termination-restricted-15/java_Nested.c [2022-11-20 12:04:43,491 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/data/dbc4f9db0/d8da1ed65ca74aaea2f869cc471460ba/FLAG2acfbfc38 [2022-11-20 12:04:43,504 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/data/dbc4f9db0/d8da1ed65ca74aaea2f869cc471460ba [2022-11-20 12:04:43,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:04:43,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:04:43,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:04:43,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:04:43,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:04:43,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:04:43" (1/1) ... [2022-11-20 12:04:43,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53732eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:43, skipping insertion in model container [2022-11-20 12:04:43,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:04:43" (1/1) ... [2022-11-20 12:04:43,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:04:43,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:04:43,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:04:43,705 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:04:43,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:04:43,730 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:04:43,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:43 WrapperNode [2022-11-20 12:04:43,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:04:43,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:04:43,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:04:43,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:04:43,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:43" (1/1) ... [2022-11-20 12:04:43,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:43" (1/1) ... [2022-11-20 12:04:43,768 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2022-11-20 12:04:43,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:04:43,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:04:43,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:04:43,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:04:43,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:43" (1/1) ... [2022-11-20 12:04:43,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:43" (1/1) ... [2022-11-20 12:04:43,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:43" (1/1) ... [2022-11-20 12:04:43,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:43" (1/1) ... [2022-11-20 12:04:43,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:43" (1/1) ... [2022-11-20 12:04:43,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:43" (1/1) ... [2022-11-20 12:04:43,784 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:43" (1/1) ... [2022-11-20 12:04:43,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:43" (1/1) ... [2022-11-20 12:04:43,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:04:43,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:04:43,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:04:43,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:04:43,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:43" (1/1) ... [2022-11-20 12:04:43,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:04:43,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:04:43,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:04:43,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:04:43,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:04:43,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:04:43,929 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:04:43,930 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:04:44,035 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:04:44,041 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:04:44,042 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 12:04:44,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:04:44 BoogieIcfgContainer [2022-11-20 12:04:44,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:04:44,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:04:44,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:04:44,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:04:44,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:04:43" (1/3) ... [2022-11-20 12:04:44,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415afc77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:04:44, skipping insertion in model container [2022-11-20 12:04:44,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:43" (2/3) ... [2022-11-20 12:04:44,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415afc77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:04:44, skipping insertion in model container [2022-11-20 12:04:44,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:04:44" (3/3) ... [2022-11-20 12:04:44,053 INFO L112 eAbstractionObserver]: Analyzing ICFG java_Nested.c [2022-11-20 12:04:44,072 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:04:44,072 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-20 12:04:44,120 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:04:44,127 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;@5aa7d3a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:04:44,128 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-20 12:04:44,132 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 15 states have (on average 1.8) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:44,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 12:04:44,139 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:44,139 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 12:04:44,140 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:04:44,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:44,146 INFO L85 PathProgramCache]: Analyzing trace with hash 28700394, now seen corresponding path program 1 times [2022-11-20 12:04:44,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:44,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497817123] [2022-11-20 12:04:44,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:44,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:44,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:44,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:44,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497817123] [2022-11-20 12:04:44,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497817123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:44,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:44,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:04:44,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209177389] [2022-11-20 12:04:44,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:44,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 12:04:44,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:44,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 12:04:44,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:04:44,392 INFO L87 Difference]: Start difference. First operand has 24 states, 15 states have (on average 1.8) internal successors, (27), 23 states have internal predecessors, (27), 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, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:44,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:44,412 INFO L93 Difference]: Finished difference Result 46 states and 52 transitions. [2022-11-20 12:04:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 12:04:44,415 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2022-11-20 12:04:44,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:44,423 INFO L225 Difference]: With dead ends: 46 [2022-11-20 12:04:44,423 INFO L226 Difference]: Without dead ends: 20 [2022-11-20 12:04:44,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:04:44,433 INFO L413 NwaCegarLoop]: 25 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, 25 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 [2022-11-20 12:04:44,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:04:44,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-20 12:04:44,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-20 12:04:44,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 12 states have (on average 1.75) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:44,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2022-11-20 12:04:44,470 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 5 [2022-11-20 12:04:44,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:44,471 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2022-11-20 12:04:44,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:44,472 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2022-11-20 12:04:44,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 12:04:44,472 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:44,472 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 12:04:44,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:04:44,474 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:04:44,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:44,475 INFO L85 PathProgramCache]: Analyzing trace with hash 28699898, now seen corresponding path program 1 times [2022-11-20 12:04:44,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:44,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234338912] [2022-11-20 12:04:44,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:44,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:44,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:44,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:44,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234338912] [2022-11-20 12:04:44,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234338912] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:44,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:44,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:04:44,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655592076] [2022-11-20 12:04:44,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:44,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:44,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:44,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:44,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:44,565 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:44,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:44,639 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2022-11-20 12:04:44,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:44,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-11-20 12:04:44,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:44,655 INFO L225 Difference]: With dead ends: 47 [2022-11-20 12:04:44,655 INFO L226 Difference]: Without dead ends: 29 [2022-11-20 12:04:44,656 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 [2022-11-20 12:04:44,658 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 9 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:44,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 23 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:04:44,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-20 12:04:44,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2022-11-20 12:04:44,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:44,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2022-11-20 12:04:44,664 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 5 [2022-11-20 12:04:44,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:44,665 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2022-11-20 12:04:44,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:44,665 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-11-20 12:04:44,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 12:04:44,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:44,666 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-20 12:04:44,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:04:44,666 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:04:44,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:44,667 INFO L85 PathProgramCache]: Analyzing trace with hash 889698349, now seen corresponding path program 1 times [2022-11-20 12:04:44,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:44,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867980617] [2022-11-20 12:04:44,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:44,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:44,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:44,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:44,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867980617] [2022-11-20 12:04:44,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867980617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:44,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:44,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:04:44,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648641395] [2022-11-20 12:04:44,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:44,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:44,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:44,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:44,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:44,700 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:44,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:44,741 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2022-11-20 12:04:44,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:44,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-20 12:04:44,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:44,743 INFO L225 Difference]: With dead ends: 28 [2022-11-20 12:04:44,743 INFO L226 Difference]: Without dead ends: 27 [2022-11-20 12:04:44,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:44,745 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 4 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:44,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 24 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:04:44,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-20 12:04:44,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2022-11-20 12:04:44,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 25 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:44,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2022-11-20 12:04:44,750 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 6 [2022-11-20 12:04:44,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:44,750 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2022-11-20 12:04:44,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:44,751 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-11-20 12:04:44,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 12:04:44,751 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:44,751 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:44,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:04:44,752 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:04:44,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:44,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1810845099, now seen corresponding path program 1 times [2022-11-20 12:04:44,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:44,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598779999] [2022-11-20 12:04:44,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:44,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:44,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:44,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:44,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598779999] [2022-11-20 12:04:44,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598779999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:44,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:44,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:04:44,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779849216] [2022-11-20 12:04:44,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:44,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:44,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:44,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:44,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:44,831 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:44,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:44,864 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-11-20 12:04:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:44,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-20 12:04:44,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:44,865 INFO L225 Difference]: With dead ends: 33 [2022-11-20 12:04:44,866 INFO L226 Difference]: Without dead ends: 32 [2022-11-20 12:04:44,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:44,867 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:44,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 34 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:04:44,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-20 12:04:44,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2022-11-20 12:04:44,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 30 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:44,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2022-11-20 12:04:44,873 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 7 [2022-11-20 12:04:44,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:44,874 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2022-11-20 12:04:44,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:44,874 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2022-11-20 12:04:44,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 12:04:44,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:44,875 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:44,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:04:44,875 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:04:44,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:44,876 INFO L85 PathProgramCache]: Analyzing trace with hash 301623279, now seen corresponding path program 1 times [2022-11-20 12:04:44,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:44,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596170763] [2022-11-20 12:04:44,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:44,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:44,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:44,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:44,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596170763] [2022-11-20 12:04:44,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596170763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:44,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:44,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:04:44,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487274110] [2022-11-20 12:04:44,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:44,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:44,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:44,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:44,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:44,914 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:44,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:44,924 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2022-11-20 12:04:44,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:44,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-20 12:04:44,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:44,925 INFO L225 Difference]: With dead ends: 31 [2022-11-20 12:04:44,925 INFO L226 Difference]: Without dead ends: 30 [2022-11-20 12:04:44,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:44,927 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 12 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:44,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 18 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:04:44,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-20 12:04:44,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-20 12:04:44,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 23 states have (on average 1.391304347826087) internal successors, (32), 29 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) [2022-11-20 12:04:44,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2022-11-20 12:04:44,934 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 8 [2022-11-20 12:04:44,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:44,935 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2022-11-20 12:04:44,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:44,935 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2022-11-20 12:04:44,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 12:04:44,936 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:44,936 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:44,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 12:04:44,936 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:04:44,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:44,937 INFO L85 PathProgramCache]: Analyzing trace with hash 2097164209, now seen corresponding path program 1 times [2022-11-20 12:04:44,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:44,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840550528] [2022-11-20 12:04:44,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:44,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:45,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:45,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:45,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840550528] [2022-11-20 12:04:45,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840550528] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:45,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:45,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:04:45,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581188885] [2022-11-20 12:04:45,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:45,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:04:45,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:45,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:04:45,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:04:45,059 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:45,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:45,099 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2022-11-20 12:04:45,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:04:45,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-20 12:04:45,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:45,101 INFO L225 Difference]: With dead ends: 30 [2022-11-20 12:04:45,101 INFO L226 Difference]: Without dead ends: 28 [2022-11-20 12:04:45,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:04:45,103 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 9 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:45,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 16 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:04:45,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-20 12:04:45,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-20 12:04:45,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 27 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:45,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2022-11-20 12:04:45,110 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 10 [2022-11-20 12:04:45,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:45,110 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2022-11-20 12:04:45,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:45,111 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2022-11-20 12:04:45,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 12:04:45,111 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:45,111 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:45,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 12:04:45,112 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:04:45,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:45,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1035144580, now seen corresponding path program 1 times [2022-11-20 12:04:45,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:45,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431927044] [2022-11-20 12:04:45,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:45,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:45,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 12:04:45,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:45,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431927044] [2022-11-20 12:04:45,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431927044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:45,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:45,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:04:45,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998651143] [2022-11-20 12:04:45,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:45,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:45,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:45,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:45,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:45,218 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:45,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:45,260 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2022-11-20 12:04:45,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:45,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-20 12:04:45,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:45,261 INFO L225 Difference]: With dead ends: 43 [2022-11-20 12:04:45,262 INFO L226 Difference]: Without dead ends: 42 [2022-11-20 12:04:45,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:45,263 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 5 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:45,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 26 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:04:45,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-20 12:04:45,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 38. [2022-11-20 12:04:45,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 37 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:45,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 44 transitions. [2022-11-20 12:04:45,285 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 44 transitions. Word has length 12 [2022-11-20 12:04:45,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:45,285 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 44 transitions. [2022-11-20 12:04:45,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:45,286 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2022-11-20 12:04:45,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 12:04:45,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:45,287 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:45,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 12:04:45,287 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:04:45,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:45,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1035144627, now seen corresponding path program 1 times [2022-11-20 12:04:45,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:45,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342408020] [2022-11-20 12:04:45,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:45,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:45,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 12:04:45,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:45,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342408020] [2022-11-20 12:04:45,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342408020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:45,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:45,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:04:45,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970649942] [2022-11-20 12:04:45,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:45,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:45,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:45,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:45,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:45,363 INFO L87 Difference]: Start difference. First operand 38 states and 44 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:45,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:45,382 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2022-11-20 12:04:45,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:45,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-20 12:04:45,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:45,384 INFO L225 Difference]: With dead ends: 38 [2022-11-20 12:04:45,384 INFO L226 Difference]: Without dead ends: 36 [2022-11-20 12:04:45,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:45,386 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 5 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:45,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 16 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:04:45,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-20 12:04:45,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 29. [2022-11-20 12:04:45,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 28 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) [2022-11-20 12:04:45,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2022-11-20 12:04:45,393 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 12 [2022-11-20 12:04:45,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:45,394 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2022-11-20 12:04:45,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:45,394 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2022-11-20 12:04:45,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 12:04:45,395 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:45,395 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:45,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 12:04:45,396 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:04:45,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:45,396 INFO L85 PathProgramCache]: Analyzing trace with hash 2024710977, now seen corresponding path program 1 times [2022-11-20 12:04:45,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:45,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348556002] [2022-11-20 12:04:45,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:45,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:45,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 12:04:45,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:45,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348556002] [2022-11-20 12:04:45,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348556002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:45,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:45,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:04:45,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342744069] [2022-11-20 12:04:45,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:45,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:45,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:45,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:45,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:45,435 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 3 states, 2 states have (on average 6.5) 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) [2022-11-20 12:04:45,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:45,446 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2022-11-20 12:04:45,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:45,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) 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 [2022-11-20 12:04:45,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:45,447 INFO L225 Difference]: With dead ends: 29 [2022-11-20 12:04:45,448 INFO L226 Difference]: Without dead ends: 28 [2022-11-20 12:04:45,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:45,449 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 2 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:45,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 12 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:04:45,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-20 12:04:45,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-20 12:04:45,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 27 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:45,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2022-11-20 12:04:45,456 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 13 [2022-11-20 12:04:45,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:45,457 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2022-11-20 12:04:45,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) 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) [2022-11-20 12:04:45,457 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2022-11-20 12:04:45,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 12:04:45,458 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:45,458 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:45,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 12:04:45,459 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:04:45,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:45,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1658424395, now seen corresponding path program 1 times [2022-11-20 12:04:45,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:45,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331560403] [2022-11-20 12:04:45,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:45,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:45,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:45,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:45,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331560403] [2022-11-20 12:04:45,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331560403] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:04:45,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389390216] [2022-11-20 12:04:45,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:45,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:04:45,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:04:45,508 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:04:45,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 12:04:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:45,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:04:45,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:45,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:45,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:04:45,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:45,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389390216] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:04:45,667 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:04:45,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-11-20 12:04:45,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315251481] [2022-11-20 12:04:45,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:04:45,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:04:45,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:45,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:04:45,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:04:45,669 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:45,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:45,700 INFO L93 Difference]: Finished difference Result 83 states and 96 transitions. [2022-11-20 12:04:45,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:04:45,701 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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 14 [2022-11-20 12:04:45,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:45,702 INFO L225 Difference]: With dead ends: 83 [2022-11-20 12:04:45,702 INFO L226 Difference]: Without dead ends: 82 [2022-11-20 12:04:45,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:04:45,704 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 30 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:45,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 54 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:04:45,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-20 12:04:45,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 80. [2022-11-20 12:04:45,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 78 states have (on average 1.1538461538461537) internal successors, (90), 79 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:45,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 90 transitions. [2022-11-20 12:04:45,720 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 90 transitions. Word has length 14 [2022-11-20 12:04:45,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:45,720 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 90 transitions. [2022-11-20 12:04:45,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:45,721 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2022-11-20 12:04:45,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 12:04:45,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:45,722 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-20 12:04:45,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:04:45,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 12:04:45,923 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:04:45,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:45,924 INFO L85 PathProgramCache]: Analyzing trace with hash 492542531, now seen corresponding path program 1 times [2022-11-20 12:04:45,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:45,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636586473] [2022-11-20 12:04:45,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:45,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:46,023 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 12:04:46,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:46,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636586473] [2022-11-20 12:04:46,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636586473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:46,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:46,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:04:46,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410365295] [2022-11-20 12:04:46,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:46,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:46,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:46,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:46,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:46,026 INFO L87 Difference]: Start difference. First operand 80 states and 90 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:46,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:46,047 INFO L93 Difference]: Finished difference Result 80 states and 90 transitions. [2022-11-20 12:04:46,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:46,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 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 [2022-11-20 12:04:46,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:46,054 INFO L225 Difference]: With dead ends: 80 [2022-11-20 12:04:46,055 INFO L226 Difference]: Without dead ends: 79 [2022-11-20 12:04:46,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:46,056 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 2 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:46,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 12 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:04:46,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-20 12:04:46,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 52. [2022-11-20 12:04:46,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 51 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:46,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2022-11-20 12:04:46,084 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 23 [2022-11-20 12:04:46,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:46,084 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2022-11-20 12:04:46,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:46,084 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2022-11-20 12:04:46,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 12:04:46,085 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:46,086 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1] [2022-11-20 12:04:46,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 12:04:46,093 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:04:46,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:46,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1726545707, now seen corresponding path program 2 times [2022-11-20 12:04:46,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:46,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125611526] [2022-11-20 12:04:46,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:46,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:46,259 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:46,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:46,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125611526] [2022-11-20 12:04:46,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125611526] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:04:46,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551533044] [2022-11-20 12:04:46,260 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:04:46,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:04:46,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:04:46,262 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:04:46,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 12:04:46,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 12:04:46,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:04:46,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:04:46,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:46,444 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:46,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:04:46,579 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:46,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551533044] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:04:46,579 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:04:46,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2022-11-20 12:04:46,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188553940] [2022-11-20 12:04:46,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:04:46,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 12:04:46,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:46,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 12:04:46,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:04:46,583 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:46,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:46,674 INFO L93 Difference]: Finished difference Result 119 states and 134 transitions. [2022-11-20 12:04:46,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 12:04:46,675 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 12 states have internal predecessors, (69), 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 35 [2022-11-20 12:04:46,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:46,681 INFO L225 Difference]: With dead ends: 119 [2022-11-20 12:04:46,682 INFO L226 Difference]: Without dead ends: 118 [2022-11-20 12:04:46,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:04:46,685 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 104 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:46,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 104 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:04:46,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-20 12:04:46,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-11-20 12:04:46,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.0940170940170941) internal successors, (128), 117 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:46,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 128 transitions. [2022-11-20 12:04:46,715 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 128 transitions. Word has length 35 [2022-11-20 12:04:46,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:46,717 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 128 transitions. [2022-11-20 12:04:46,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:46,717 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 128 transitions. [2022-11-20 12:04:46,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 12:04:46,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:46,726 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1] [2022-11-20 12:04:46,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:04:46,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-20 12:04:46,932 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:04:46,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:46,932 INFO L85 PathProgramCache]: Analyzing trace with hash -219336341, now seen corresponding path program 3 times [2022-11-20 12:04:46,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:46,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203243675] [2022-11-20 12:04:46,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:46,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:47,202 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:47,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:47,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203243675] [2022-11-20 12:04:47,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203243675] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:04:47,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544744246] [2022-11-20 12:04:47,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 12:04:47,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:04:47,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:04:47,204 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:04:47,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 12:04:47,287 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-20 12:04:47,288 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:04:47,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-20 12:04:47,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:47,642 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:47,643 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:04:47,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544744246] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:47,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:04:47,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [12] total 25 [2022-11-20 12:04:47,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42514862] [2022-11-20 12:04:47,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:47,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 12:04:47,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:47,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 12:04:47,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2022-11-20 12:04:47,645 INFO L87 Difference]: Start difference. First operand 118 states and 128 transitions. Second operand has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:47,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:47,778 INFO L93 Difference]: Finished difference Result 473 states and 528 transitions. [2022-11-20 12:04:47,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 12:04:47,778 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 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 [2022-11-20 12:04:47,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:47,782 INFO L225 Difference]: With dead ends: 473 [2022-11-20 12:04:47,782 INFO L226 Difference]: Without dead ends: 458 [2022-11-20 12:04:47,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2022-11-20 12:04:47,783 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 37 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:47,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 64 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:04:47,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2022-11-20 12:04:47,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 450. [2022-11-20 12:04:47,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 449 states have (on average 1.135857461024499) internal successors, (510), 449 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:47,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 510 transitions. [2022-11-20 12:04:47,813 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 510 transitions. Word has length 77 [2022-11-20 12:04:47,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:47,813 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 510 transitions. [2022-11-20 12:04:47,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:47,814 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 510 transitions. [2022-11-20 12:04:47,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 12:04:47,816 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:47,816 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:47,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:04:48,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-20 12:04:48,022 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:04:48,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:48,022 INFO L85 PathProgramCache]: Analyzing trace with hash 383485762, now seen corresponding path program 1 times [2022-11-20 12:04:48,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:48,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520938908] [2022-11-20 12:04:48,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:48,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:48,148 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 130 proven. 9 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-11-20 12:04:48,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:48,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520938908] [2022-11-20 12:04:48,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520938908] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:04:48,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074562609] [2022-11-20 12:04:48,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:48,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:04:48,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:04:48,151 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:04:48,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 12:04:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:48,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:04:48,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:48,239 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 130 proven. 9 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-11-20 12:04:48,240 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:04:48,300 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 130 proven. 9 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-11-20 12:04:48,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074562609] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:04:48,300 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:04:48,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-11-20 12:04:48,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474375016] [2022-11-20 12:04:48,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:04:48,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 12:04:48,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:48,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 12:04:48,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:04:48,303 INFO L87 Difference]: Start difference. First operand 450 states and 510 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:48,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:48,369 INFO L93 Difference]: Finished difference Result 593 states and 670 transitions. [2022-11-20 12:04:48,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 12:04:48,369 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 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 81 [2022-11-20 12:04:48,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:48,371 INFO L225 Difference]: With dead ends: 593 [2022-11-20 12:04:48,371 INFO L226 Difference]: Without dead ends: 210 [2022-11-20 12:04:48,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:04:48,378 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 42 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:48,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 41 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:04:48,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2022-11-20 12:04:48,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 205. [2022-11-20 12:04:48,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 204 states have (on average 1.0735294117647058) internal successors, (219), 204 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:48,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 219 transitions. [2022-11-20 12:04:48,393 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 219 transitions. Word has length 81 [2022-11-20 12:04:48,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:48,393 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 219 transitions. [2022-11-20 12:04:48,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:48,394 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 219 transitions. [2022-11-20 12:04:48,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 12:04:48,398 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:48,398 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:48,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:04:48,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:04:48,604 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:04:48,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:48,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1914773442, now seen corresponding path program 2 times [2022-11-20 12:04:48,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:48,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238281202] [2022-11-20 12:04:48,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:48,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:48,823 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 198 proven. 111 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-20 12:04:48,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:48,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238281202] [2022-11-20 12:04:48,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238281202] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:04:48,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926619824] [2022-11-20 12:04:48,824 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:04:48,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:04:48,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:04:48,827 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:04:48,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 12:04:48,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 12:04:48,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:04:48,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 12:04:48,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:48,960 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 198 proven. 111 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-20 12:04:48,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:04:49,112 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 198 proven. 111 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-20 12:04:49,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926619824] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:04:49,113 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:04:49,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 12 [2022-11-20 12:04:49,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642387572] [2022-11-20 12:04:49,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:04:49,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 12:04:49,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:49,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 12:04:49,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:04:49,115 INFO L87 Difference]: Start difference. First operand 205 states and 219 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:49,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:49,185 INFO L93 Difference]: Finished difference Result 281 states and 298 transitions. [2022-11-20 12:04:49,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 12:04:49,185 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 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 81 [2022-11-20 12:04:49,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:49,186 INFO L225 Difference]: With dead ends: 281 [2022-11-20 12:04:49,186 INFO L226 Difference]: Without dead ends: 150 [2022-11-20 12:04:49,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 154 SyntacticMatches, 11 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:04:49,188 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 60 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:49,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 43 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:04:49,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-11-20 12:04:49,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 142. [2022-11-20 12:04:49,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.0638297872340425) internal successors, (150), 141 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:49,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 150 transitions. [2022-11-20 12:04:49,196 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 150 transitions. Word has length 81 [2022-11-20 12:04:49,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:49,196 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 150 transitions. [2022-11-20 12:04:49,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:49,197 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2022-11-20 12:04:49,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 12:04:49,197 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:49,197 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:49,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:04:49,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-20 12:04:49,403 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:04:49,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:49,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1193160628, now seen corresponding path program 3 times [2022-11-20 12:04:49,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:49,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023043058] [2022-11-20 12:04:49,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:49,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:49,606 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 12:04:49,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:49,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023043058] [2022-11-20 12:04:49,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023043058] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:04:49,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735983196] [2022-11-20 12:04:49,607 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 12:04:49,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:04:49,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:04:49,608 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:04:49,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 12:04:49,677 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-20 12:04:49,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:04:49,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 12:04:49,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:49,797 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 12:04:49,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:04:50,104 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 12:04:50,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735983196] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:04:50,105 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:04:50,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2022-11-20 12:04:50,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383971545] [2022-11-20 12:04:50,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:04:50,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-20 12:04:50,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:50,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-20 12:04:50,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-11-20 12:04:50,108 INFO L87 Difference]: Start difference. First operand 142 states and 150 transitions. Second operand has 24 states, 23 states have (on average 7.0) internal successors, (161), 24 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:50,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:50,198 INFO L93 Difference]: Finished difference Result 231 states and 250 transitions. [2022-11-20 12:04:50,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-20 12:04:50,199 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 7.0) internal successors, (161), 24 states have internal predecessors, (161), 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 81 [2022-11-20 12:04:50,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:50,200 INFO L225 Difference]: With dead ends: 231 [2022-11-20 12:04:50,200 INFO L226 Difference]: Without dead ends: 230 [2022-11-20 12:04:50,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-11-20 12:04:50,201 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 85 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:50,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 149 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:04:50,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-11-20 12:04:50,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2022-11-20 12:04:50,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 229 states have (on average 1.039301310043668) internal successors, (238), 229 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:50,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 238 transitions. [2022-11-20 12:04:50,211 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 238 transitions. Word has length 81 [2022-11-20 12:04:50,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:50,211 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 238 transitions. [2022-11-20 12:04:50,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 7.0) internal successors, (161), 24 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:50,212 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 238 transitions. [2022-11-20 12:04:50,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-20 12:04:50,213 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:50,213 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 3, 2, 2, 2, 1, 1, 1] [2022-11-20 12:04:50,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:04:50,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-20 12:04:50,432 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:04:50,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:50,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1535836277, now seen corresponding path program 4 times [2022-11-20 12:04:50,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:50,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731581073] [2022-11-20 12:04:50,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:50,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:51,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 0 proven. 1755 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 12:04:51,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:51,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731581073] [2022-11-20 12:04:51,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731581073] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:04:51,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271519894] [2022-11-20 12:04:51,191 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 12:04:51,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:04:51,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:04:51,192 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:04:51,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 12:04:51,283 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 12:04:51,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:04:51,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-20 12:04:51,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 0 proven. 1755 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 12:04:51,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:04:52,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 0 proven. 1755 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 12:04:52,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271519894] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:04:52,616 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:04:52,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2022-11-20 12:04:52,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170574786] [2022-11-20 12:04:52,617 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:04:52,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-11-20 12:04:52,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:52,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-11-20 12:04:52,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2022-11-20 12:04:52,620 INFO L87 Difference]: Start difference. First operand 230 states and 238 transitions. Second operand has 48 states, 47 states have (on average 7.170212765957447) internal successors, (337), 48 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:52,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:52,848 INFO L93 Difference]: Finished difference Result 411 states and 442 transitions. [2022-11-20 12:04:52,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-20 12:04:52,848 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 7.170212765957447) internal successors, (337), 48 states have internal predecessors, (337), 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 169 [2022-11-20 12:04:52,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:52,850 INFO L225 Difference]: With dead ends: 411 [2022-11-20 12:04:52,851 INFO L226 Difference]: Without dead ends: 410 [2022-11-20 12:04:52,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2022-11-20 12:04:52,852 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 151 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:52,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 328 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:04:52,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-11-20 12:04:52,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2022-11-20 12:04:52,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 409 states have (on average 1.02200488997555) internal successors, (418), 409 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:52,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 418 transitions. [2022-11-20 12:04:52,872 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 418 transitions. Word has length 169 [2022-11-20 12:04:52,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:52,873 INFO L495 AbstractCegarLoop]: Abstraction has 410 states and 418 transitions. [2022-11-20 12:04:52,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 7.170212765957447) internal successors, (337), 48 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:52,874 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 418 transitions. [2022-11-20 12:04:52,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-11-20 12:04:52,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:52,877 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 46, 6, 5, 5, 5, 1, 1, 1] [2022-11-20 12:04:52,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 12:04:53,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-20 12:04:53,084 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:04:53,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:53,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1906382964, now seen corresponding path program 5 times [2022-11-20 12:04:53,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:53,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166931010] [2022-11-20 12:04:53,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:53,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:55,877 INFO L134 CoverageAnalysis]: Checked inductivity of 7709 backedges. 0 proven. 7704 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 12:04:55,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:55,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166931010] [2022-11-20 12:04:55,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166931010] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:04:55,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166268217] [2022-11-20 12:04:55,878 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-20 12:04:55,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:04:55,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:04:55,880 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:04:55,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 12:04:56,080 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2022-11-20 12:04:56,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:04:56,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-20 12:04:56,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:56,673 INFO L134 CoverageAnalysis]: Checked inductivity of 7709 backedges. 0 proven. 7704 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 12:04:56,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:05:00,115 INFO L134 CoverageAnalysis]: Checked inductivity of 7709 backedges. 0 proven. 7704 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 12:05:00,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166268217] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:05:00,116 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:05:00,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2022-11-20 12:05:00,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653334859] [2022-11-20 12:05:00,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:05:00,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-11-20 12:05:00,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:05:00,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-11-20 12:05:00,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2022-11-20 12:05:00,123 INFO L87 Difference]: Start difference. First operand 410 states and 418 transitions. Second operand has 96 states, 95 states have (on average 7.336842105263158) internal successors, (697), 96 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:00,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:05:00,750 INFO L93 Difference]: Finished difference Result 767 states and 822 transitions. [2022-11-20 12:05:00,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-11-20 12:05:00,751 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 7.336842105263158) internal successors, (697), 96 states have internal predecessors, (697), 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 349 [2022-11-20 12:05:00,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:05:00,756 INFO L225 Difference]: With dead ends: 767 [2022-11-20 12:05:00,757 INFO L226 Difference]: Without dead ends: 766 [2022-11-20 12:05:00,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 744 GetRequests, 650 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2022-11-20 12:05:00,761 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 376 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:05:00,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 622 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:05:00,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2022-11-20 12:05:00,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 766. [2022-11-20 12:05:00,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 765 states have (on average 1.011764705882353) internal successors, (774), 765 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:00,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 774 transitions. [2022-11-20 12:05:00,789 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 774 transitions. Word has length 349 [2022-11-20 12:05:00,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:05:00,789 INFO L495 AbstractCegarLoop]: Abstraction has 766 states and 774 transitions. [2022-11-20 12:05:00,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 7.336842105263158) internal successors, (697), 96 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:00,790 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 774 transitions. [2022-11-20 12:05:00,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2022-11-20 12:05:00,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:05:00,808 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 94, 94, 94, 94, 11, 10, 10, 10, 1, 1, 1] [2022-11-20 12:05:00,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-20 12:05:01,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-20 12:05:01,014 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:05:01,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:05:01,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1927073525, now seen corresponding path program 6 times [2022-11-20 12:05:01,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:05:01,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368117076] [2022-11-20 12:05:01,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:05:01,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:05:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:10,804 INFO L134 CoverageAnalysis]: Checked inductivity of 32113 backedges. 0 proven. 32103 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 12:05:10,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:05:10,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368117076] [2022-11-20 12:05:10,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368117076] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:05:10,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253623253] [2022-11-20 12:05:10,805 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-20 12:05:10,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:05:10,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:05:10,810 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:05:10,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 12:05:11,187 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 69 check-sat command(s) [2022-11-20 12:05:11,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:05:11,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 12:05:11,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:05:12,689 INFO L134 CoverageAnalysis]: Checked inductivity of 32113 backedges. 29445 proven. 0 refuted. 0 times theorem prover too weak. 2668 trivial. 0 not checked. [2022-11-20 12:05:12,690 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:05:12,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253623253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:05:12,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:05:12,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [96] total 108 [2022-11-20 12:05:12,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529190132] [2022-11-20 12:05:12,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:05:12,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 12:05:12,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:05:12,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 12:05:12,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4733, Invalid=6823, Unknown=0, NotChecked=0, Total=11556 [2022-11-20 12:05:12,699 INFO L87 Difference]: Start difference. First operand 766 states and 774 transitions. Second operand has 13 states, 13 states have (on average 9.307692307692308) internal successors, (121), 13 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:12,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:05:12,781 INFO L93 Difference]: Finished difference Result 766 states and 774 transitions. [2022-11-20 12:05:12,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 12:05:12,781 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.307692307692308) internal successors, (121), 13 states have internal predecessors, (121), 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 705 [2022-11-20 12:05:12,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:05:12,783 INFO L225 Difference]: With dead ends: 766 [2022-11-20 12:05:12,783 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 12:05:12,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 800 GetRequests, 694 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=4733, Invalid=6823, Unknown=0, NotChecked=0, Total=11556 [2022-11-20 12:05:12,787 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:05:12,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 238 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:05:12,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 12:05:12,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 12:05:12,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:12,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:05:12,789 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 705 [2022-11-20 12:05:12,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:05:12,789 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:05:12,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.307692307692308) internal successors, (121), 13 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:12,789 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:05:12,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 12:05:12,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-20 12:05:12,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-20 12:05:12,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-20 12:05:12,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-20 12:05:12,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-20 12:05:12,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-20 12:05:12,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-20 12:05:12,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-20 12:05:12,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-20 12:05:13,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:05:13,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 12:05:17,726 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2022-11-20 12:05:17,726 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 12:05:17,726 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2022-11-20 12:05:17,726 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2022-11-20 12:05:17,726 INFO L902 garLoopResultBuilder]: At program point L19(lines 5 20) the Hoare annotation is: true [2022-11-20 12:05:17,726 INFO L899 garLoopResultBuilder]: For program point L17(line 17) no Hoare annotation was computed. [2022-11-20 12:05:17,727 INFO L899 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2022-11-20 12:05:17,727 INFO L899 garLoopResultBuilder]: For program point L15-1(line 15) no Hoare annotation was computed. [2022-11-20 12:05:17,727 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2022-11-20 12:05:17,727 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2022-11-20 12:05:17,727 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2022-11-20 12:05:17,727 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 12:05:17,727 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2022-11-20 12:05:17,727 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2022-11-20 12:05:17,727 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 12:05:17,727 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2022-11-20 12:05:17,727 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 12:05:17,727 INFO L899 garLoopResultBuilder]: For program point L14(line 14) no Hoare annotation was computed. [2022-11-20 12:05:17,728 INFO L899 garLoopResultBuilder]: For program point L14-1(line 14) no Hoare annotation was computed. [2022-11-20 12:05:17,729 INFO L895 garLoopResultBuilder]: At program point L12-2(lines 12 16) the Hoare annotation is: (let ((.cse19 (<= |ULTIMATE.start_main_~c~0#1| 9)) (.cse21 (<= |ULTIMATE.start_main_~c~0#1| 18)) (.cse26 (<= |ULTIMATE.start_main_~i~0#1| 0)) (.cse29 (< |ULTIMATE.start_main_~c~0#1| 2147483635)) (.cse27 (< |ULTIMATE.start_main_~c~0#1| 2147483617)) (.cse31 (<= |ULTIMATE.start_main_~c~0#1| 45)) (.cse14 (<= 7 |ULTIMATE.start_main_~j~0#1|)) (.cse4 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse23 (<= |ULTIMATE.start_main_~c~0#1| 36)) (.cse16 (<= 5 |ULTIMATE.start_main_~j~0#1|)) (.cse28 (< |ULTIMATE.start_main_~c~0#1| 2147483608)) (.cse30 (<= |ULTIMATE.start_main_~c~0#1| 27)) (.cse11 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (.cse6 (<= 5 |ULTIMATE.start_main_~i~0#1|)) (.cse12 (<= 7 |ULTIMATE.start_main_~i~0#1|)) (.cse24 (< |ULTIMATE.start_main_~c~0#1| 2147483626)) (.cse9 (<= 11 |ULTIMATE.start_main_~j~0#1|)) (.cse22 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (.cse13 (<= 8 |ULTIMATE.start_main_~j~0#1|)) (.cse15 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (.cse18 (<= 12 |ULTIMATE.start_main_~j~0#1|)) (.cse7 (<= 6 |ULTIMATE.start_main_~j~0#1|)) (.cse8 (<= 9 |ULTIMATE.start_main_~i~0#1|)) (.cse17 (<= 4 |ULTIMATE.start_main_~j~0#1|)) (.cse10 (<= 9 |ULTIMATE.start_main_~j~0#1|)) (.cse25 (<= 3 |ULTIMATE.start_main_~i~0#1|)) (.cse0 (<= 3 |ULTIMATE.start_main_~j~0#1|)) (.cse20 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse1 (<= 10 |ULTIMATE.start_main_~j~0#1|)) (.cse2 (<= 0 |ULTIMATE.start_main_~c~0#1|)) (.cse3 (<= 0 |ULTIMATE.start_main_~i~0#1|)) (.cse5 (<= |ULTIMATE.start_main_~i~0#1| 9))) (or (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 25) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 7) .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483602) .cse6 .cse2 .cse3 .cse7 .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483643) .cse2 .cse3 .cse8 .cse5 .cse9) (and .cse0 .cse10 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 6) .cse5) (and .cse0 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483634) .cse5 .cse11 .cse9) (and .cse0 .cse12 .cse1 .cse2 (< |ULTIMATE.start_main_~c~0#1| 2147483624) .cse3 .cse5) (and .cse13 .cse0 .cse12 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483622) .cse5) (and .cse0 .cse14 (< |ULTIMATE.start_main_~c~0#1| 2147483612) .cse2 .cse3 .cse5 .cse15) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483610) .cse16 .cse2 .cse3 .cse5 .cse15) (and (< |ULTIMATE.start_main_~c~0#1| 2147483616) .cse0 .cse2 .cse3 .cse5 .cse15 .cse9) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 19) .cse2 .cse3 .cse4 .cse5 .cse17) (and .cse0 .cse10 (< |ULTIMATE.start_main_~c~0#1| 2147483614) .cse2 .cse3 .cse5 .cse15) (and .cse0 .cse2 .cse3 .cse18 .cse19 .cse5) (and .cse0 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 26) .cse4 .cse5 .cse9) (and (<= |ULTIMATE.start_main_~c~0#1| 21) .cse0 .cse2 .cse3 .cse7 .cse4 .cse5) (and .cse2 .cse3 .cse7 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 3)) (and .cse0 .cse20 .cse2 .cse3 .cse18 .cse21 .cse5) (and .cse0 .cse14 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 40) .cse5 .cse22) (and .cse0 .cse23 .cse2 .cse5 .cse22) (and .cse0 .cse14 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483630) .cse5 .cse11) (and .cse0 .cse12 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483625) .cse5 .cse9) (and .cse0 .cse2 .cse5 .cse24 .cse11) (and .cse0 .cse14 .cse6 .cse2 .cse3 .cse5 (< |ULTIMATE.start_main_~c~0#1| 2147483603)) (and .cse0 .cse6 .cse2 .cse3 .cse5 .cse17 (<= |ULTIMATE.start_main_~c~0#1| 46)) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483607) .cse6 .cse2 .cse3 .cse5 .cse9) (and .cse0 .cse14 .cse2 .cse25 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 31) .cse5) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 37) .cse2 .cse3 .cse5 .cse17 .cse22) (and (<= |ULTIMATE.start_main_~c~0#1| 43) .cse0 .cse1 .cse2 .cse3 .cse5 .cse22) (and .cse26 (<= |ULTIMATE.start_main_~c~0#1| 1) .cse2 .cse3 .cse17) (and .cse0 .cse20 .cse2 .cse19 .cse5) (and .cse0 .cse16 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483628) .cse5 .cse11) (and .cse0 .cse10 (<= |ULTIMATE.start_main_~c~0#1| 24) .cse2 .cse3 .cse4 .cse5) (and .cse13 .cse0 .cse6 .cse2 .cse3 .cse5 (< |ULTIMATE.start_main_~c~0#1| 2147483604)) (and .cse0 .cse16 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 20) .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse18 .cse5 .cse15 .cse27) (and .cse0 .cse1 .cse2 .cse25 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 34)) (and .cse0 .cse1 .cse2 .cse3 .cse8 (< |ULTIMATE.start_main_~c~0#1| 2147483642) .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483627) .cse2 .cse3 .cse5 .cse17 .cse11) (and .cse0 .cse2 .cse4 .cse21 .cse5) (and .cse0 .cse20 .cse2 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 17) .cse9) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 38) .cse16 .cse2 .cse3 .cse5 .cse22) (and .cse0 .cse6 .cse2 .cse3 .cse18 .cse28 .cse5) (and .cse0 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483609) .cse5 .cse17 .cse15) (and .cse26 .cse16 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 2)) (and .cse0 .cse12 (< |ULTIMATE.start_main_~c~0#1| 2147483619) .cse16 .cse2 .cse3 .cse5) (and .cse0 .cse26 .cse2 (<= |ULTIMATE.start_main_~c~0#1| 0) .cse3) (and .cse0 .cse20 .cse14 .cse2 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 13)) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483611) .cse2 .cse3 .cse7 .cse5 .cse15) (and .cse0 .cse12 (< |ULTIMATE.start_main_~c~0#1| 2147483620) .cse2 .cse3 .cse7 .cse5) (and .cse29 .cse0 .cse2 .cse3 .cse18 .cse5 .cse11) (and .cse0 .cse12 .cse14 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483621) .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483615) .cse1 .cse2 .cse3 .cse5 .cse15) (and .cse0 .cse6 (< |ULTIMATE.start_main_~c~0#1| 2147483601) .cse16 .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse2 (< |ULTIMATE.start_main_~c~0#1| 2147483633) .cse3 .cse5 .cse11) (and .cse29 .cse0 .cse2 .cse8 .cse5) (and (<= |ULTIMATE.start_main_~c~0#1| 5) .cse13 .cse0 .cse2 .cse3 .cse5) (and (<= |ULTIMATE.start_main_~c~0#1| 42) .cse0 .cse10 .cse2 .cse3 .cse5 .cse22) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483641) .cse10 .cse2 .cse3 .cse8 .cse5) (and .cse0 .cse30 .cse2 .cse3 .cse18 .cse4 .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483629) .cse2 .cse3 .cse7 .cse5 .cse11) (and .cse13 .cse0 .cse20 (<= |ULTIMATE.start_main_~c~0#1| 14) .cse2 .cse3 .cse5) (and .cse0 .cse20 (<= |ULTIMATE.start_main_~c~0#1| 10) .cse2 .cse3 .cse5 .cse17) (and .cse0 .cse20 .cse16 .cse2 (<= |ULTIMATE.start_main_~c~0#1| 11) .cse3 .cse5) (and (<= |ULTIMATE.start_main_~c~0#1| 4) .cse0 .cse14 .cse2 .cse3 .cse5) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 39) .cse2 .cse3 .cse7 .cse5 .cse22) (and .cse0 .cse12 .cse2 .cse3 .cse5 .cse17 (< |ULTIMATE.start_main_~c~0#1| 2147483618)) (and .cse0 .cse20 .cse2 .cse3 .cse7 (<= |ULTIMATE.start_main_~c~0#1| 12) .cse5) (and .cse0 .cse16 .cse2 .cse25 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 29)) (and .cse0 .cse6 .cse31 .cse2 .cse5) (and .cse13 .cse0 .cse2 .cse3 .cse5 .cse11 (< |ULTIMATE.start_main_~c~0#1| 2147483631)) (and .cse0 .cse2 .cse25 .cse3 .cse7 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 30)) (and .cse0 .cse2 .cse3 .cse8 .cse5 .cse17 (< |ULTIMATE.start_main_~c~0#1| 2147483636)) (and .cse13 .cse0 .cse2 .cse25 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 32)) (and .cse0 .cse12 .cse2 .cse5 .cse27) (and .cse0 .cse14 (<= |ULTIMATE.start_main_~c~0#1| 22) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse12 .cse10 (< |ULTIMATE.start_main_~c~0#1| 2147483623) .cse2 .cse3 .cse5) (and .cse0 .cse31 .cse2 .cse3 .cse18 .cse5 .cse22) (and .cse0 .cse14 (< |ULTIMATE.start_main_~c~0#1| 2147483639) .cse2 .cse3 .cse8 .cse5) (and .cse13 .cse0 .cse2 (<= |ULTIMATE.start_main_~c~0#1| 23) .cse3 .cse4 .cse5) (and .cse0 .cse23 .cse2 .cse25 .cse3 .cse18 .cse5) (and .cse0 .cse10 .cse6 (< |ULTIMATE.start_main_~c~0#1| 2147483605) .cse2 .cse3 .cse5) (and .cse0 .cse20 .cse10 (<= |ULTIMATE.start_main_~c~0#1| 15) .cse2 .cse3 .cse5) (and .cse0 .cse2 (<= |ULTIMATE.start_main_~c~0#1| 8) .cse3 .cse5 .cse9) (and .cse0 .cse16 .cse2 .cse3 .cse8 (< |ULTIMATE.start_main_~c~0#1| 2147483637) .cse5) (and .cse0 .cse2 .cse28 .cse5 .cse15) (and .cse0 .cse30 .cse2 .cse25 .cse5) (and .cse0 .cse10 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483632) .cse5 .cse11) (and .cse0 .cse6 .cse1 .cse2 (< |ULTIMATE.start_main_~c~0#1| 2147483606) .cse3 .cse5) (and .cse0 .cse12 .cse2 .cse3 .cse18 .cse5 .cse24) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 35) .cse2 .cse25 .cse3 .cse5 .cse9) (and .cse0 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 44) .cse5 .cse22 .cse9) (and .cse13 .cse0 .cse2 .cse3 .cse5 .cse22 (<= |ULTIMATE.start_main_~c~0#1| 41)) (and .cse13 .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483640) .cse2 .cse3 .cse8 .cse5) (and .cse13 .cse0 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483613) .cse5 .cse15) (and .cse0 .cse2 .cse3 .cse18 (< |ULTIMATE.start_main_~c~0#1| 2147483644) .cse8 .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483638) .cse2 .cse3 .cse7 .cse8 .cse5) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 28) .cse2 .cse25 .cse3 .cse5 .cse17) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 33) .cse10 .cse2 .cse25 .cse3 .cse5) (and .cse0 .cse20 .cse1 .cse2 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 16)))) [2022-11-20 12:05:17,729 INFO L899 garLoopResultBuilder]: For program point L12-3(lines 12 16) no Hoare annotation was computed. [2022-11-20 12:05:17,729 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2022-11-20 12:05:17,730 INFO L895 garLoopResultBuilder]: At program point L10-2(lines 10 18) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~c~0#1|)) (.cse1 (<= 12 |ULTIMATE.start_main_~j~0#1|))) (or (and .cse0 .cse1 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 18)) (and (<= 5 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 45) .cse0 .cse1) (and (<= |ULTIMATE.start_main_~i~0#1| 0) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)) (and (<= 10 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483644)) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~c~0#1| 9)) (and .cse0 .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483608) (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 36) .cse0 .cse1 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 27) .cse0 (<= 3 |ULTIMATE.start_main_~i~0#1|) .cse1) (and .cse0 .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483626) (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and (<= 7 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483617)) (and (< |ULTIMATE.start_main_~c~0#1| 2147483635) .cse0 .cse1 (<= 9 |ULTIMATE.start_main_~i~0#1|)))) [2022-11-20 12:05:17,730 INFO L899 garLoopResultBuilder]: For program point L10-3(lines 10 18) no Hoare annotation was computed. [2022-11-20 12:05:17,735 INFO L444 BasicCegarLoop]: Path program histogram: [6, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:05:17,738 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:05:17,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:05:17 BoogieIcfgContainer [2022-11-20 12:05:17,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:05:17,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:05:17,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:05:17,813 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:05:17,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:04:44" (3/4) ... [2022-11-20 12:05:17,817 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:05:17,827 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 12:05:17,827 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 12:05:17,828 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:05:17,868 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:05:17,868 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:05:17,869 INFO L158 Benchmark]: Toolchain (without parser) took 34345.33ms. Allocated memory was 176.2MB in the beginning and 700.4MB in the end (delta: 524.3MB). Free memory was 148.1MB in the beginning and 445.4MB in the end (delta: -297.4MB). Peak memory consumption was 224.9MB. Max. memory is 16.1GB. [2022-11-20 12:05:17,869 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 132.1MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:05:17,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.37ms. Allocated memory is still 176.2MB. Free memory was 147.8MB in the beginning and 142.3MB in the end (delta: 5.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-11-20 12:05:17,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.26ms. Allocated memory is still 176.2MB. Free memory was 142.3MB in the beginning and 140.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:05:17,870 INFO L158 Benchmark]: Boogie Preprocessor took 17.06ms. Allocated memory is still 176.2MB. Free memory was 140.9MB in the beginning and 140.2MB in the end (delta: 728.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:05:17,870 INFO L158 Benchmark]: RCFGBuilder took 257.09ms. Allocated memory is still 176.2MB. Free memory was 140.2MB in the beginning and 130.5MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 12:05:17,871 INFO L158 Benchmark]: TraceAbstraction took 33766.39ms. Allocated memory was 176.2MB in the beginning and 700.4MB in the end (delta: 524.3MB). Free memory was 129.7MB in the beginning and 447.5MB in the end (delta: -317.8MB). Peak memory consumption was 409.3MB. Max. memory is 16.1GB. [2022-11-20 12:05:17,872 INFO L158 Benchmark]: Witness Printer took 55.35ms. Allocated memory is still 700.4MB. Free memory was 447.5MB in the beginning and 445.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:05:17,876 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 132.1MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 209.37ms. Allocated memory is still 176.2MB. Free memory was 147.8MB in the beginning and 142.3MB in the end (delta: 5.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.26ms. Allocated memory is still 176.2MB. Free memory was 142.3MB in the beginning and 140.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.06ms. Allocated memory is still 176.2MB. Free memory was 140.9MB in the beginning and 140.2MB in the end (delta: 728.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 257.09ms. Allocated memory is still 176.2MB. Free memory was 140.2MB in the beginning and 130.5MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 33766.39ms. Allocated memory was 176.2MB in the beginning and 700.4MB in the end (delta: 524.3MB). Free memory was 129.7MB in the beginning and 447.5MB in the end (delta: -317.8MB). Peak memory consumption was 409.3MB. Max. memory is 16.1GB. * Witness Printer took 55.35ms. Allocated memory is still 700.4MB. Free memory was 447.5MB in the beginning and 445.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 33.6s, OverallIterations: 19, TraceHistogramMax: 95, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.1s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 935 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 935 mSDsluCounter, 1849 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1507 mSDsCounter, 160 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 762 IncrementalHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 160 mSolverCounterUnsat, 342 mSDtfsCounter, 762 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2631 GetRequests, 2287 SyntacticMatches, 11 SemanticMatches, 333 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=766occurred in iteration=18, InterpolantAutomatonStates: 264, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 19 MinimizatonAttempts, 66 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 115 NumberOfFragments, 2250 HoareAnnotationTreeSize, 3 FomulaSimplifications, 633 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1647 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 22.7s InterpolantComputationTime, 3285 NumberOfCodeBlocks, 3222 NumberOfCodeBlocksAsserted, 165 NumberOfCheckSat, 4060 ConstructedInterpolants, 0 QuantifiedInterpolants, 11382 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2878 ConjunctsInSsa, 147 ConjunctsInUnsatCore, 35 InterpolantComputations, 12 PerfectInterpolantSequences, 34362/96841 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((3 <= j && c <= 25) && 10 <= j) && 0 <= c) && 0 <= i) && 2 <= i) && i <= 9) || (((((3 <= j && 10 <= j) && 0 <= c) && 0 <= i) && c <= 7) && i <= 9)) || ((((((3 <= j && c < 2147483602) && 5 <= i) && 0 <= c) && 0 <= i) && 6 <= j) && i <= 9)) || ((((((3 <= j && c < 2147483643) && 0 <= c) && 0 <= i) && 9 <= i) && i <= 9) && 11 <= j)) || (((((3 <= j && 9 <= j) && 0 <= c) && 0 <= i) && c <= 6) && i <= 9)) || ((((((3 <= j && 0 <= c) && 0 <= i) && c < 2147483634) && i <= 9) && 8 <= i) && 11 <= j)) || ((((((3 <= j && 7 <= i) && 10 <= j) && 0 <= c) && c < 2147483624) && 0 <= i) && i <= 9)) || ((((((8 <= j && 3 <= j) && 7 <= i) && 0 <= c) && 0 <= i) && c < 2147483622) && i <= 9)) || ((((((3 <= j && 7 <= j) && c < 2147483612) && 0 <= c) && 0 <= i) && i <= 9) && 6 <= i)) || ((((((3 <= j && c < 2147483610) && 5 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 6 <= i)) || ((((((c < 2147483616 && 3 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 6 <= i) && 11 <= j)) || ((((((3 <= j && c <= 19) && 0 <= c) && 0 <= i) && 2 <= i) && i <= 9) && 4 <= j)) || ((((((3 <= j && 9 <= j) && c < 2147483614) && 0 <= c) && 0 <= i) && i <= 9) && 6 <= i)) || (((((3 <= j && 0 <= c) && 0 <= i) && 12 <= j) && c <= 9) && i <= 9)) || ((((((3 <= j && 0 <= c) && 0 <= i) && c <= 26) && 2 <= i) && i <= 9) && 11 <= j)) || ((((((c <= 21 && 3 <= j) && 0 <= c) && 0 <= i) && 6 <= j) && 2 <= i) && i <= 9)) || ((((0 <= c && 0 <= i) && 6 <= j) && i <= 9) && c <= 3)) || ((((((3 <= j && 1 <= i) && 0 <= c) && 0 <= i) && 12 <= j) && c <= 18) && i <= 9)) || ((((((3 <= j && 7 <= j) && 0 <= c) && 0 <= i) && c <= 40) && i <= 9) && 4 <= i)) || ((((3 <= j && c <= 36) && 0 <= c) && i <= 9) && 4 <= i)) || ((((((3 <= j && 7 <= j) && 0 <= c) && 0 <= i) && c < 2147483630) && i <= 9) && 8 <= i)) || ((((((3 <= j && 7 <= i) && 0 <= c) && 0 <= i) && c < 2147483625) && i <= 9) && 11 <= j)) || ((((3 <= j && 0 <= c) && i <= 9) && c < 2147483626) && 8 <= i)) || ((((((3 <= j && 7 <= j) && 5 <= i) && 0 <= c) && 0 <= i) && i <= 9) && c < 2147483603)) || ((((((3 <= j && 5 <= i) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= j) && c <= 46)) || ((((((3 <= j && c < 2147483607) && 5 <= i) && 0 <= c) && 0 <= i) && i <= 9) && 11 <= j)) || ((((((3 <= j && 7 <= j) && 0 <= c) && 3 <= i) && 0 <= i) && c <= 31) && i <= 9)) || ((((((3 <= j && c <= 37) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= j) && 4 <= i)) || ((((((c <= 43 && 3 <= j) && 10 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= i)) || ((((i <= 0 && c <= 1) && 0 <= c) && 0 <= i) && 4 <= j)) || ((((3 <= j && 1 <= i) && 0 <= c) && c <= 9) && i <= 9)) || ((((((3 <= j && 5 <= j) && 0 <= c) && 0 <= i) && c < 2147483628) && i <= 9) && 8 <= i)) || ((((((3 <= j && 9 <= j) && c <= 24) && 0 <= c) && 0 <= i) && 2 <= i) && i <= 9)) || ((((((8 <= j && 3 <= j) && 5 <= i) && 0 <= c) && 0 <= i) && i <= 9) && c < 2147483604)) || ((((((3 <= j && 5 <= j) && 0 <= c) && 0 <= i) && c <= 20) && 2 <= i) && i <= 9)) || ((((((3 <= j && 0 <= c) && 0 <= i) && 12 <= j) && i <= 9) && 6 <= i) && c < 2147483617)) || ((((((3 <= j && 10 <= j) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9) && c <= 34)) || ((((((3 <= j && 10 <= j) && 0 <= c) && 0 <= i) && 9 <= i) && c < 2147483642) && i <= 9)) || ((((((3 <= j && c < 2147483627) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= j) && 8 <= i)) || ((((3 <= j && 0 <= c) && 2 <= i) && c <= 18) && i <= 9)) || ((((((3 <= j && 1 <= i) && 0 <= c) && 0 <= i) && i <= 9) && c <= 17) && 11 <= j)) || ((((((3 <= j && c <= 38) && 5 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= i)) || ((((((3 <= j && 5 <= i) && 0 <= c) && 0 <= i) && 12 <= j) && c < 2147483608) && i <= 9)) || ((((((3 <= j && 0 <= c) && 0 <= i) && c < 2147483609) && i <= 9) && 4 <= j) && 6 <= i)) || ((((i <= 0 && 5 <= j) && 0 <= c) && 0 <= i) && c <= 2)) || ((((((3 <= j && 7 <= i) && c < 2147483619) && 5 <= j) && 0 <= c) && 0 <= i) && i <= 9)) || ((((3 <= j && i <= 0) && 0 <= c) && c <= 0) && 0 <= i)) || ((((((3 <= j && 1 <= i) && 7 <= j) && 0 <= c) && 0 <= i) && i <= 9) && c <= 13)) || ((((((3 <= j && c < 2147483611) && 0 <= c) && 0 <= i) && 6 <= j) && i <= 9) && 6 <= i)) || ((((((3 <= j && 7 <= i) && c < 2147483620) && 0 <= c) && 0 <= i) && 6 <= j) && i <= 9)) || ((((((c < 2147483635 && 3 <= j) && 0 <= c) && 0 <= i) && 12 <= j) && i <= 9) && 8 <= i)) || ((((((3 <= j && 7 <= i) && 7 <= j) && 0 <= c) && 0 <= i) && c < 2147483621) && i <= 9)) || ((((((3 <= j && c < 2147483615) && 10 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 6 <= i)) || ((((((3 <= j && 5 <= i) && c < 2147483601) && 5 <= j) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((3 <= j && 10 <= j) && 0 <= c) && c < 2147483633) && 0 <= i) && i <= 9) && 8 <= i)) || ((((c < 2147483635 && 3 <= j) && 0 <= c) && 9 <= i) && i <= 9)) || (((((c <= 5 && 8 <= j) && 3 <= j) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((c <= 42 && 3 <= j) && 9 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= i)) || ((((((3 <= j && c < 2147483641) && 9 <= j) && 0 <= c) && 0 <= i) && 9 <= i) && i <= 9)) || ((((((3 <= j && c <= 27) && 0 <= c) && 0 <= i) && 12 <= j) && 2 <= i) && i <= 9)) || ((((((3 <= j && c < 2147483629) && 0 <= c) && 0 <= i) && 6 <= j) && i <= 9) && 8 <= i)) || ((((((8 <= j && 3 <= j) && 1 <= i) && c <= 14) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((3 <= j && 1 <= i) && c <= 10) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= j)) || ((((((3 <= j && 1 <= i) && 5 <= j) && 0 <= c) && c <= 11) && 0 <= i) && i <= 9)) || (((((c <= 4 && 3 <= j) && 7 <= j) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((3 <= j && c <= 39) && 0 <= c) && 0 <= i) && 6 <= j) && i <= 9) && 4 <= i)) || ((((((3 <= j && 7 <= i) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= j) && c < 2147483618)) || ((((((3 <= j && 1 <= i) && 0 <= c) && 0 <= i) && 6 <= j) && c <= 12) && i <= 9)) || ((((((3 <= j && 5 <= j) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9) && c <= 29)) || ((((3 <= j && 5 <= i) && c <= 45) && 0 <= c) && i <= 9)) || ((((((8 <= j && 3 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 8 <= i) && c < 2147483631)) || ((((((3 <= j && 0 <= c) && 3 <= i) && 0 <= i) && 6 <= j) && i <= 9) && c <= 30)) || ((((((3 <= j && 0 <= c) && 0 <= i) && 9 <= i) && i <= 9) && 4 <= j) && c < 2147483636)) || ((((((8 <= j && 3 <= j) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9) && c <= 32)) || ((((3 <= j && 7 <= i) && 0 <= c) && i <= 9) && c < 2147483617)) || ((((((3 <= j && 7 <= j) && c <= 22) && 0 <= c) && 0 <= i) && 2 <= i) && i <= 9)) || ((((((3 <= j && 7 <= i) && 9 <= j) && c < 2147483623) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((3 <= j && c <= 45) && 0 <= c) && 0 <= i) && 12 <= j) && i <= 9) && 4 <= i)) || ((((((3 <= j && 7 <= j) && c < 2147483639) && 0 <= c) && 0 <= i) && 9 <= i) && i <= 9)) || ((((((8 <= j && 3 <= j) && 0 <= c) && c <= 23) && 0 <= i) && 2 <= i) && i <= 9)) || ((((((3 <= j && c <= 36) && 0 <= c) && 3 <= i) && 0 <= i) && 12 <= j) && i <= 9)) || ((((((3 <= j && 9 <= j) && 5 <= i) && c < 2147483605) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((3 <= j && 1 <= i) && 9 <= j) && c <= 15) && 0 <= c) && 0 <= i) && i <= 9)) || (((((3 <= j && 0 <= c) && c <= 8) && 0 <= i) && i <= 9) && 11 <= j)) || ((((((3 <= j && 5 <= j) && 0 <= c) && 0 <= i) && 9 <= i) && c < 2147483637) && i <= 9)) || ((((3 <= j && 0 <= c) && c < 2147483608) && i <= 9) && 6 <= i)) || ((((3 <= j && c <= 27) && 0 <= c) && 3 <= i) && i <= 9)) || ((((((3 <= j && 9 <= j) && 0 <= c) && 0 <= i) && c < 2147483632) && i <= 9) && 8 <= i)) || ((((((3 <= j && 5 <= i) && 10 <= j) && 0 <= c) && c < 2147483606) && 0 <= i) && i <= 9)) || ((((((3 <= j && 7 <= i) && 0 <= c) && 0 <= i) && 12 <= j) && i <= 9) && c < 2147483626)) || ((((((3 <= j && c <= 35) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9) && 11 <= j)) || ((((((3 <= j && 0 <= c) && 0 <= i) && c <= 44) && i <= 9) && 4 <= i) && 11 <= j)) || ((((((8 <= j && 3 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= i) && c <= 41)) || ((((((8 <= j && 3 <= j) && c < 2147483640) && 0 <= c) && 0 <= i) && 9 <= i) && i <= 9)) || ((((((8 <= j && 3 <= j) && 0 <= c) && 0 <= i) && c < 2147483613) && i <= 9) && 6 <= i)) || ((((((3 <= j && 0 <= c) && 0 <= i) && 12 <= j) && c < 2147483644) && 9 <= i) && i <= 9)) || ((((((3 <= j && c < 2147483638) && 0 <= c) && 0 <= i) && 6 <= j) && 9 <= i) && i <= 9)) || ((((((3 <= j && c <= 28) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9) && 4 <= j)) || ((((((3 <= j && c <= 33) && 9 <= j) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9)) || ((((((3 <= j && 1 <= i) && 10 <= j) && 0 <= c) && 0 <= i) && i <= 9) && c <= 16) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: ((((((((((((0 <= c && 12 <= j) && 2 <= i) && c <= 18) || (((5 <= i && c <= 45) && 0 <= c) && 12 <= j)) || (((i <= 0 && 0 <= c) && c <= 0) && 0 <= i)) || (((10 <= i && 0 <= c) && 12 <= j) && c < 2147483644)) || (((1 <= i && 0 <= c) && 12 <= j) && c <= 9)) || (((0 <= c && 12 <= j) && c < 2147483608) && 6 <= i)) || (((c <= 36 && 0 <= c) && 12 <= j) && 4 <= i)) || (((c <= 27 && 0 <= c) && 3 <= i) && 12 <= j)) || (((0 <= c && 12 <= j) && c < 2147483626) && 8 <= i)) || (((7 <= i && 0 <= c) && 12 <= j) && c < 2147483617)) || (((c < 2147483635 && 0 <= c) && 12 <= j) && 9 <= i) - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 12:05:17,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c895bea-677f-4ea6-955d-c57f3565881c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE