./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/java_Sequence.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_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/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_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/java_Sequence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/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_104c5b85-3112-4600-bf78-a4b3cd20a4e2/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 4c7fd2dfb73ccf40686976b843bd7f2e1f45b17323a2ffa706fb90cccb1bab75 --- 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 10:45:44,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:45:44,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:45:44,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:45:44,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:45:44,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:45:44,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:45:44,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:45:44,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:45:44,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:45:44,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:45:44,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:45:44,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:45:44,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:45:44,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:45:44,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:45:44,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:45:44,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:45:44,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:45:44,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:45:44,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:45:44,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:45:44,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:45:44,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:45:44,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:45:44,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:45:44,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:45:44,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:45:44,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:45:44,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:45:44,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:45:44,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:45:44,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:45:44,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:45:44,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:45:44,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:45:44,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:45:44,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:45:44,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:45:44,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:45:44,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:45:44,104 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 10:45:44,126 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:45:44,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:45:44,127 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:45:44,127 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:45:44,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:45:44,128 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:45:44,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:45:44,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:45:44,129 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:45:44,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:45:44,130 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:45:44,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:45:44,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:45:44,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:45:44,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:45:44,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:45:44,131 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 10:45:44,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:45:44,132 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:45:44,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:45:44,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:45:44,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:45:44,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:45:44,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:45:44,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:45:44,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:45:44,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:45:44,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:45:44,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:45:44,134 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:45:44,135 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:45:44,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:45:44,135 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_104c5b85-3112-4600-bf78-a4b3cd20a4e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c7fd2dfb73ccf40686976b843bd7f2e1f45b17323a2ffa706fb90cccb1bab75 [2022-11-20 10:45:44,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:45:44,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:45:44,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:45:44,390 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:45:44,391 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:45:44,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-restricted-15/java_Sequence.c [2022-11-20 10:45:47,573 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:45:47,763 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:45:47,763 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/sv-benchmarks/c/termination-restricted-15/java_Sequence.c [2022-11-20 10:45:47,768 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/data/8f535797b/e93c84fcc89d4983a111bfb0b89eb3cd/FLAGd271a985c [2022-11-20 10:45:47,782 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/data/8f535797b/e93c84fcc89d4983a111bfb0b89eb3cd [2022-11-20 10:45:47,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:45:47,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:45:47,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:45:47,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:45:47,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:45:47,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:45:47" (1/1) ... [2022-11-20 10:45:47,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@735fb220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:47, skipping insertion in model container [2022-11-20 10:45:47,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:45:47" (1/1) ... [2022-11-20 10:45:47,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:45:47,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:45:47,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:45:47,965 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:45:47,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:45:47,988 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:45:47,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:47 WrapperNode [2022-11-20 10:45:47,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:45:47,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:45:47,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:45:47,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:45:47,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:47" (1/1) ... [2022-11-20 10:45:48,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:47" (1/1) ... [2022-11-20 10:45:48,023 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2022-11-20 10:45:48,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:45:48,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:45:48,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:45:48,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:45:48,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:47" (1/1) ... [2022-11-20 10:45:48,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:47" (1/1) ... [2022-11-20 10:45:48,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:47" (1/1) ... [2022-11-20 10:45:48,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:47" (1/1) ... [2022-11-20 10:45:48,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:47" (1/1) ... [2022-11-20 10:45:48,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:47" (1/1) ... [2022-11-20 10:45:48,040 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:47" (1/1) ... [2022-11-20 10:45:48,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:47" (1/1) ... [2022-11-20 10:45:48,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:45:48,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:45:48,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:45:48,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:45:48,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:47" (1/1) ... [2022-11-20 10:45:48,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:45:48,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:48,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:48,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:45:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:45:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:45:48,184 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:45:48,186 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:45:48,267 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:45:48,274 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:45:48,274 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 10:45:48,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:45:48 BoogieIcfgContainer [2022-11-20 10:45:48,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:45:48,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:45:48,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:45:48,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:45:48,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:45:47" (1/3) ... [2022-11-20 10:45:48,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db70410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:45:48, skipping insertion in model container [2022-11-20 10:45:48,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:47" (2/3) ... [2022-11-20 10:45:48,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db70410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:45:48, skipping insertion in model container [2022-11-20 10:45:48,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:45:48" (3/3) ... [2022-11-20 10:45:48,286 INFO L112 eAbstractionObserver]: Analyzing ICFG java_Sequence.c [2022-11-20 10:45:48,306 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:45:48,306 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-20 10:45:48,358 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:45:48,365 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;@6be1adf7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:45:48,366 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-20 10:45:48,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.75) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:45:48,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 10:45:48,376 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:48,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-20 10:45:48,378 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:45:48,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:48,383 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2022-11-20 10:45:48,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:48,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316575717] [2022-11-20 10:45:48,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:48,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:48,537 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 10:45:48,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:45:48,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316575717] [2022-11-20 10:45:48,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316575717] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:45:48,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:45:48,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:45:48,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354757210] [2022-11-20 10:45:48,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:45:48,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:45:48,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:45:48,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:45:48,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:45:48,631 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.75) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:45:48,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:48,712 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2022-11-20 10:45:48,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:45:48,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-20 10:45:48,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:48,722 INFO L225 Difference]: With dead ends: 51 [2022-11-20 10:45:48,723 INFO L226 Difference]: Without dead ends: 28 [2022-11-20 10:45:48,726 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 10:45:48,729 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 11 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:48,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 37 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:45:48,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-20 10:45:48,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2022-11-20 10:45:48,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:45:48,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2022-11-20 10:45:48,786 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 4 [2022-11-20 10:45:48,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:48,787 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2022-11-20 10:45:48,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:45:48,787 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-11-20 10:45:48,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 10:45:48,788 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:48,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 10:45:48,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:45:48,789 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:45:48,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:48,790 INFO L85 PathProgramCache]: Analyzing trace with hash 28699721, now seen corresponding path program 1 times [2022-11-20 10:45:48,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:48,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486439229] [2022-11-20 10:45:48,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:48,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:48,823 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 10:45:48,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:45:48,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486439229] [2022-11-20 10:45:48,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486439229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:45:48,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:45:48,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:45:48,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153928614] [2022-11-20 10:45:48,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:45:48,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:45:48,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:45:48,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:45:48,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:45:48,828 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 3 states, 2 states have (on average 2.5) 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 10:45:48,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:48,846 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2022-11-20 10:45:48,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:45:48,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) 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 10:45:48,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:48,847 INFO L225 Difference]: With dead ends: 26 [2022-11-20 10:45:48,847 INFO L226 Difference]: Without dead ends: 24 [2022-11-20 10:45:48,848 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 10:45:48,850 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 14 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:48,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 15 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:45:48,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-20 10:45:48,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-11-20 10:45:48,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 23 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:45:48,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2022-11-20 10:45:48,856 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 5 [2022-11-20 10:45:48,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:48,857 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2022-11-20 10:45:48,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) 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 10:45:48,857 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2022-11-20 10:45:48,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 10:45:48,858 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:48,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-20 10:45:48,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:45:48,859 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:45:48,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:48,859 INFO L85 PathProgramCache]: Analyzing trace with hash 889691398, now seen corresponding path program 1 times [2022-11-20 10:45:48,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:48,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166437085] [2022-11-20 10:45:48,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:48,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:48,896 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 10:45:48,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:45:48,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166437085] [2022-11-20 10:45:48,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166437085] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:45:48,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:45:48,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:45:48,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059637085] [2022-11-20 10:45:48,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:45:48,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:45:48,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:45:48,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:45:48,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:45:48,900 INFO L87 Difference]: Start difference. First operand 24 states and 26 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 10:45:48,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:48,923 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2022-11-20 10:45:48,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:45:48,924 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 10:45:48,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:48,925 INFO L225 Difference]: With dead ends: 36 [2022-11-20 10:45:48,925 INFO L226 Difference]: Without dead ends: 24 [2022-11-20 10:45:48,925 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 10:45:48,927 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 2 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:48,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 29 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:45:48,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-20 10:45:48,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-11-20 10:45:48,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.411764705882353) internal successors, (24), 22 states have internal predecessors, (24), 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 10:45:48,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2022-11-20 10:45:48,933 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 6 [2022-11-20 10:45:48,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:48,933 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2022-11-20 10:45:48,934 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 10:45:48,934 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2022-11-20 10:45:48,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 10:45:48,934 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:48,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:45:48,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:45:48,935 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:45:48,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:48,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1810629611, now seen corresponding path program 1 times [2022-11-20 10:45:48,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:48,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360599858] [2022-11-20 10:45:48,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:48,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:48,984 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 10:45:48,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:45:48,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360599858] [2022-11-20 10:45:48,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360599858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:45:48,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:45:48,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:45:48,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111840539] [2022-11-20 10:45:48,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:45:48,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:45:48,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:45:48,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:45:48,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:45:48,988 INFO L87 Difference]: Start difference. First operand 23 states and 24 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 10:45:49,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:49,001 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2022-11-20 10:45:49,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:45:49,002 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 10:45:49,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:49,003 INFO L225 Difference]: With dead ends: 23 [2022-11-20 10:45:49,003 INFO L226 Difference]: Without dead ends: 22 [2022-11-20 10:45:49,003 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 10:45:49,005 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 12 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:49,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 15 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:45:49,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-20 10:45:49,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-20 10:45:49,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 21 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 10:45:49,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2022-11-20 10:45:49,011 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 7 [2022-11-20 10:45:49,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:49,011 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2022-11-20 10:45:49,011 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 10:45:49,011 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-11-20 10:45:49,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 10:45:49,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:49,012 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:45:49,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:45:49,013 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:45:49,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:49,014 INFO L85 PathProgramCache]: Analyzing trace with hash 553302605, now seen corresponding path program 1 times [2022-11-20 10:45:49,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:49,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703671928] [2022-11-20 10:45:49,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:49,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:49,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:49,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:45:49,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703671928] [2022-11-20 10:45:49,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703671928] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:45:49,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292376518] [2022-11-20 10:45:49,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:49,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:45:49,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:49,074 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:45:49,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 10:45:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:49,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:45:49,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:49,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:49,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:45:49,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:49,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292376518] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:45:49,263 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:45:49,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-11-20 10:45:49,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91559099] [2022-11-20 10:45:49,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:45:49,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:45:49,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:45:49,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:45:49,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:45:49,267 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:45:49,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:49,355 INFO L93 Difference]: Finished difference Result 58 states and 66 transitions. [2022-11-20 10:45:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:45:49,356 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-20 10:45:49,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:49,357 INFO L225 Difference]: With dead ends: 58 [2022-11-20 10:45:49,357 INFO L226 Difference]: Without dead ends: 56 [2022-11-20 10:45:49,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 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 10:45:49,359 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 39 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:49,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 56 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:45:49,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-20 10:45:49,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 50. [2022-11-20 10:45:49,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 49 states have internal predecessors, (60), 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 10:45:49,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2022-11-20 10:45:49,380 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 9 [2022-11-20 10:45:49,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:49,380 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2022-11-20 10:45:49,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:45:49,380 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2022-11-20 10:45:49,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 10:45:49,381 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:49,381 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2022-11-20 10:45:49,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:49,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:45:49,587 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:45:49,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:49,587 INFO L85 PathProgramCache]: Analyzing trace with hash -852139857, now seen corresponding path program 1 times [2022-11-20 10:45:49,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:49,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59612045] [2022-11-20 10:45:49,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:49,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:49,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 10:45:49,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:45:49,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59612045] [2022-11-20 10:45:49,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59612045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:45:49,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:45:49,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:45:49,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782137340] [2022-11-20 10:45:49,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:45:49,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:45:49,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:45:49,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:45:49,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:45:49,677 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 10:45:49,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:49,708 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2022-11-20 10:45:49,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:45:49,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2022-11-20 10:45:49,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:49,713 INFO L225 Difference]: With dead ends: 50 [2022-11-20 10:45:49,713 INFO L226 Difference]: Without dead ends: 49 [2022-11-20 10:45:49,713 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 10:45:49,715 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:49,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 25 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:45:49,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-20 10:45:49,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-11-20 10:45:49,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 48 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:45:49,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 57 transitions. [2022-11-20 10:45:49,724 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 57 transitions. Word has length 11 [2022-11-20 10:45:49,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:49,724 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 57 transitions. [2022-11-20 10:45:49,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 10:45:49,725 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2022-11-20 10:45:49,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 10:45:49,725 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:49,725 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:45:49,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 10:45:49,726 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 10:45:49,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:49,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1384852765, now seen corresponding path program 1 times [2022-11-20 10:45:49,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:49,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527293415] [2022-11-20 10:45:49,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:49,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:49,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:49,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:45:49,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527293415] [2022-11-20 10:45:49,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527293415] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:45:49,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434532093] [2022-11-20 10:45:49,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:49,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:45:49,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:49,782 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:45:49,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 10:45:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:49,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:45:49,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:49,859 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 10:45:49,862 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:45:49,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434532093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:45:49,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:45:49,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-20 10:45:49,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462488013] [2022-11-20 10:45:49,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:45:49,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:45:49,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:45:49,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:45:49,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:45:49,869 INFO L87 Difference]: Start difference. First operand 49 states and 57 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 10:45:49,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:49,898 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions. [2022-11-20 10:45:49,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:45:49,899 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 10:45:49,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:49,901 INFO L225 Difference]: With dead ends: 63 [2022-11-20 10:45:49,901 INFO L226 Difference]: Without dead ends: 62 [2022-11-20 10:45:49,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:45:49,903 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:49,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 26 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:45:49,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-20 10:45:49,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2022-11-20 10:45:49,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 58 states have internal predecessors, (67), 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 10:45:49,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 67 transitions. [2022-11-20 10:45:49,924 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 67 transitions. Word has length 13 [2022-11-20 10:45:49,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:49,924 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 67 transitions. [2022-11-20 10:45:49,924 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 10:45:49,924 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2022-11-20 10:45:49,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 10:45:49,925 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:49,925 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:45:49,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:50,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:45:50,139 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:45:50,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:50,139 INFO L85 PathProgramCache]: Analyzing trace with hash -19237175, now seen corresponding path program 1 times [2022-11-20 10:45:50,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:50,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891076314] [2022-11-20 10:45:50,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:50,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:50,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:50,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:45:50,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891076314] [2022-11-20 10:45:50,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891076314] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:45:50,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111393543] [2022-11-20 10:45:50,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:50,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:45:50,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:50,229 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:45:50,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 10:45:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:50,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:45:50,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:50,299 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 10:45:50,303 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:45:50,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111393543] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:45:50,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:45:50,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-20 10:45:50,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345591633] [2022-11-20 10:45:50,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:45:50,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:45:50,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:45:50,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:45:50,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:45:50,312 INFO L87 Difference]: Start difference. First operand 59 states and 67 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:45:50,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:50,328 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2022-11-20 10:45:50,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:45:50,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 10:45:50,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:50,330 INFO L225 Difference]: With dead ends: 59 [2022-11-20 10:45:50,330 INFO L226 Difference]: Without dead ends: 58 [2022-11-20 10:45:50,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:45:50,331 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:50,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 21 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:45:50,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-20 10:45:50,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-20 10:45:50,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 55 states have (on average 1.1636363636363636) internal successors, (64), 57 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:45:50,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 64 transitions. [2022-11-20 10:45:50,351 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 64 transitions. Word has length 14 [2022-11-20 10:45:50,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:50,352 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 64 transitions. [2022-11-20 10:45:50,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 10:45:50,352 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2022-11-20 10:45:50,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 10:45:50,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:50,354 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:45:50,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:50,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:45:50,558 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:45:50,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:50,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1948446259, now seen corresponding path program 1 times [2022-11-20 10:45:50,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:50,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295026676] [2022-11-20 10:45:50,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:50,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:50,600 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 10:45:50,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:45:50,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295026676] [2022-11-20 10:45:50,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295026676] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:45:50,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090986309] [2022-11-20 10:45:50,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:50,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:45:50,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:50,602 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:45:50,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 10:45:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:50,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:45:50,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:50,657 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 10:45:50,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:45:50,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090986309] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:45:50,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:45:50,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-20 10:45:50,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336928428] [2022-11-20 10:45:50,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:45:50,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:45:50,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:45:50,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:45:50,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:45:50,660 INFO L87 Difference]: Start difference. First operand 58 states and 64 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 10:45:50,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:50,671 INFO L93 Difference]: Finished difference Result 58 states and 64 transitions. [2022-11-20 10:45:50,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:45:50,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2022-11-20 10:45:50,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:50,673 INFO L225 Difference]: With dead ends: 58 [2022-11-20 10:45:50,673 INFO L226 Difference]: Without dead ends: 57 [2022-11-20 10:45:50,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:45:50,674 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:50,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 21 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:45:50,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-20 10:45:50,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 47. [2022-11-20 10:45:50,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 45 states have (on average 1.1333333333333333) internal successors, (51), 46 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:45:50,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2022-11-20 10:45:50,681 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 18 [2022-11-20 10:45:50,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:50,681 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2022-11-20 10:45:50,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 10:45:50,682 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2022-11-20 10:45:50,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 10:45:50,682 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:50,682 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 1, 1, 1] [2022-11-20 10:45:50,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:50,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-20 10:45:50,888 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:45:50,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:50,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1484270500, now seen corresponding path program 2 times [2022-11-20 10:45:50,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:50,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496759226] [2022-11-20 10:45:50,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:50,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:51,004 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:51,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:45:51,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496759226] [2022-11-20 10:45:51,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496759226] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:45:51,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136733354] [2022-11-20 10:45:51,005 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 10:45:51,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:45:51,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:51,007 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:45:51,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 10:45:51,063 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 10:45:51,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:45:51,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 10:45:51,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:51,129 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:51,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:45:51,243 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:51,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136733354] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:45:51,244 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:45:51,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2022-11-20 10:45:51,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957481738] [2022-11-20 10:45:51,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:45:51,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 10:45:51,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:45:51,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 10:45:51,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-11-20 10:45:51,255 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand has 12 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 12 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:45:51,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:51,373 INFO L93 Difference]: Finished difference Result 115 states and 135 transitions. [2022-11-20 10:45:51,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 10:45:51,374 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 12 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-20 10:45:51,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:51,376 INFO L225 Difference]: With dead ends: 115 [2022-11-20 10:45:51,376 INFO L226 Difference]: Without dead ends: 113 [2022-11-20 10:45:51,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 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 10:45:51,377 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 117 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:51,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 93 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:45:51,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-11-20 10:45:51,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2022-11-20 10:45:51,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 111 states have (on average 1.1081081081081081) internal successors, (123), 112 states have internal predecessors, (123), 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 10:45:51,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 123 transitions. [2022-11-20 10:45:51,407 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 123 transitions. Word has length 24 [2022-11-20 10:45:51,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:51,408 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 123 transitions. [2022-11-20 10:45:51,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 12 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:45:51,409 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 123 transitions. [2022-11-20 10:45:51,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 10:45:51,410 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:51,410 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 1, 1, 1] [2022-11-20 10:45:51,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:51,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:45:51,611 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:45:51,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:51,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1025163396, now seen corresponding path program 3 times [2022-11-20 10:45:51,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:51,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443285001] [2022-11-20 10:45:51,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:51,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:51,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:45:51,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443285001] [2022-11-20 10:45:51,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443285001] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:45:51,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323510121] [2022-11-20 10:45:51,949 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 10:45:51,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:45:51,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:51,950 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:45:51,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 10:45:52,002 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-20 10:45:52,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:45:52,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 10:45:52,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:52,118 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:52,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:45:52,425 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:52,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323510121] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:45:52,426 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:45:52,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2022-11-20 10:45:52,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590729913] [2022-11-20 10:45:52,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:45:52,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-20 10:45:52,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:45:52,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-20 10:45:52,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-11-20 10:45:52,433 INFO L87 Difference]: Start difference. First operand 113 states and 123 transitions. Second operand has 24 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 24 states have internal predecessors, (107), 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 10:45:52,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:52,666 INFO L93 Difference]: Finished difference Result 247 states and 291 transitions. [2022-11-20 10:45:52,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-20 10:45:52,667 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 24 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-11-20 10:45:52,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:52,672 INFO L225 Difference]: With dead ends: 247 [2022-11-20 10:45:52,672 INFO L226 Difference]: Without dead ends: 245 [2022-11-20 10:45:52,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-11-20 10:45:52,674 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 416 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:52,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 191 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:45:52,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2022-11-20 10:45:52,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2022-11-20 10:45:52,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 243 states have (on average 1.0987654320987654) internal successors, (267), 244 states have internal predecessors, (267), 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 10:45:52,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 267 transitions. [2022-11-20 10:45:52,719 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 267 transitions. Word has length 54 [2022-11-20 10:45:52,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:52,720 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 267 transitions. [2022-11-20 10:45:52,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 24 states have internal predecessors, (107), 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 10:45:52,720 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 267 transitions. [2022-11-20 10:45:52,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-20 10:45:52,727 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:52,727 INFO L195 NwaCegarLoop]: trace histogram [23, 22, 22, 22, 22, 1, 1, 1] [2022-11-20 10:45:52,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:52,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:45:52,928 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:45:52,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:52,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1460310596, now seen corresponding path program 4 times [2022-11-20 10:45:52,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:52,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220565610] [2022-11-20 10:45:52,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:52,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:53,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 0 proven. 1199 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:53,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:45:53,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220565610] [2022-11-20 10:45:53,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220565610] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:45:53,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144177380] [2022-11-20 10:45:53,736 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 10:45:53,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:45:53,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:53,738 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:45:53,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 10:45:53,832 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 10:45:53,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:45:53,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-20 10:45:53,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:54,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 0 proven. 1199 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:54,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:45:54,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 0 proven. 1199 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:54,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144177380] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:45:54,985 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:45:54,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2022-11-20 10:45:54,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354454125] [2022-11-20 10:45:54,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:45:54,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-11-20 10:45:54,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:45:54,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-11-20 10:45:54,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2022-11-20 10:45:54,988 INFO L87 Difference]: Start difference. First operand 245 states and 267 transitions. Second operand has 48 states, 47 states have (on average 4.829787234042553) internal successors, (227), 48 states have internal predecessors, (227), 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 10:45:55,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:55,621 INFO L93 Difference]: Finished difference Result 511 states and 603 transitions. [2022-11-20 10:45:55,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-20 10:45:55,622 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.829787234042553) internal successors, (227), 48 states have internal predecessors, (227), 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 114 [2022-11-20 10:45:55,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:55,625 INFO L225 Difference]: With dead ends: 511 [2022-11-20 10:45:55,625 INFO L226 Difference]: Without dead ends: 509 [2022-11-20 10:45:55,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 204 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 10:45:55,627 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 893 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:55,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 384 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 10:45:55,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2022-11-20 10:45:55,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 509. [2022-11-20 10:45:55,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 507 states have (on average 1.0946745562130178) internal successors, (555), 508 states have internal predecessors, (555), 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 10:45:55,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 555 transitions. [2022-11-20 10:45:55,653 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 555 transitions. Word has length 114 [2022-11-20 10:45:55,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:55,653 INFO L495 AbstractCegarLoop]: Abstraction has 509 states and 555 transitions. [2022-11-20 10:45:55,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.829787234042553) internal successors, (227), 48 states have internal predecessors, (227), 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 10:45:55,654 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 555 transitions. [2022-11-20 10:45:55,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-20 10:45:55,658 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:55,658 INFO L195 NwaCegarLoop]: trace histogram [47, 46, 46, 46, 46, 1, 1, 1] [2022-11-20 10:45:55,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:55,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-20 10:45:55,868 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:45:55,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:55,868 INFO L85 PathProgramCache]: Analyzing trace with hash -23276092, now seen corresponding path program 5 times [2022-11-20 10:45:55,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:55,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592016788] [2022-11-20 10:45:55,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:55,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:58,394 INFO L134 CoverageAnalysis]: Checked inductivity of 5267 backedges. 0 proven. 5267 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:58,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:45:58,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592016788] [2022-11-20 10:45:58,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592016788] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:45:58,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843368015] [2022-11-20 10:45:58,394 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-20 10:45:58,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:45:58,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:58,396 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:45:58,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 10:45:58,580 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2022-11-20 10:45:58,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:45:58,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-20 10:45:58,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:58,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5267 backedges. 0 proven. 5267 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:58,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:46:02,367 INFO L134 CoverageAnalysis]: Checked inductivity of 5267 backedges. 0 proven. 5267 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:02,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843368015] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:46:02,368 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:46:02,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2022-11-20 10:46:02,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088392003] [2022-11-20 10:46:02,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:46:02,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-11-20 10:46:02,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:02,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-11-20 10:46:02,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2022-11-20 10:46:02,375 INFO L87 Difference]: Start difference. First operand 509 states and 555 transitions. Second operand has 96 states, 95 states have (on average 4.91578947368421) internal successors, (467), 96 states have internal predecessors, (467), 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 10:46:05,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:46:05,346 INFO L93 Difference]: Finished difference Result 1039 states and 1227 transitions. [2022-11-20 10:46:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-11-20 10:46:05,347 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 4.91578947368421) internal successors, (467), 96 states have internal predecessors, (467), 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 234 [2022-11-20 10:46:05,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:46:05,351 INFO L225 Difference]: With dead ends: 1039 [2022-11-20 10:46:05,351 INFO L226 Difference]: Without dead ends: 1037 [2022-11-20 10:46:05,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 420 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2022-11-20 10:46:05,355 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 2431 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 465 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2431 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 465 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:46:05,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2431 Valid, 767 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [465 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 10:46:05,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2022-11-20 10:46:05,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 1037. [2022-11-20 10:46:05,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 1035 states have (on average 1.0927536231884059) internal successors, (1131), 1036 states have internal predecessors, (1131), 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 10:46:05,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1131 transitions. [2022-11-20 10:46:05,389 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1131 transitions. Word has length 234 [2022-11-20 10:46:05,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:46:05,390 INFO L495 AbstractCegarLoop]: Abstraction has 1037 states and 1131 transitions. [2022-11-20 10:46:05,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 4.91578947368421) internal successors, (467), 96 states have internal predecessors, (467), 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 10:46:05,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1131 transitions. [2022-11-20 10:46:05,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2022-11-20 10:46:05,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:46:05,403 INFO L195 NwaCegarLoop]: trace histogram [95, 94, 94, 94, 94, 1, 1, 1] [2022-11-20 10:46:05,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-20 10:46:05,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-20 10:46:05,609 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:46:05,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:05,610 INFO L85 PathProgramCache]: Analyzing trace with hash 550231236, now seen corresponding path program 6 times [2022-11-20 10:46:05,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:05,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011687918] [2022-11-20 10:46:05,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:05,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:13,996 INFO L134 CoverageAnalysis]: Checked inductivity of 22043 backedges. 0 proven. 22043 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:13,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:13,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011687918] [2022-11-20 10:46:13,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011687918] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:46:13,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493789865] [2022-11-20 10:46:13,997 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-20 10:46:13,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:46:13,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:46:13,998 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:46:14,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 10:46:14,294 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2022-11-20 10:46:14,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:46:14,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 96 conjunts are in the unsatisfiable core [2022-11-20 10:46:14,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:46:15,085 INFO L134 CoverageAnalysis]: Checked inductivity of 22043 backedges. 0 proven. 22043 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:15,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:46:26,679 INFO L134 CoverageAnalysis]: Checked inductivity of 22043 backedges. 0 proven. 22043 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:26,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493789865] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:46:26,679 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:46:26,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2022-11-20 10:46:26,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669200725] [2022-11-20 10:46:26,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:46:26,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2022-11-20 10:46:26,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:26,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2022-11-20 10:46:26,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2022-11-20 10:46:26,697 INFO L87 Difference]: Start difference. First operand 1037 states and 1131 transitions. Second operand has 192 states, 191 states have (on average 4.958115183246074) internal successors, (947), 192 states have internal predecessors, (947), 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 10:46:48,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:46:48,481 INFO L93 Difference]: Finished difference Result 2095 states and 2475 transitions. [2022-11-20 10:46:48,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2022-11-20 10:46:48,482 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 4.958115183246074) internal successors, (947), 192 states have internal predecessors, (947), 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 474 [2022-11-20 10:46:48,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:46:48,488 INFO L225 Difference]: With dead ends: 2095 [2022-11-20 10:46:48,488 INFO L226 Difference]: Without dead ends: 2093 [2022-11-20 10:46:48,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1042 GetRequests, 852 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.7s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2022-11-20 10:46:48,494 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 5135 mSDsluCounter, 1525 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 971 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5135 SdHoareTripleChecker+Valid, 1537 SdHoareTripleChecker+Invalid, 1743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 971 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:46:48,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5135 Valid, 1537 Invalid, 1743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [971 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-20 10:46:48,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2022-11-20 10:46:48,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 2093. [2022-11-20 10:46:48,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2093 states, 2091 states have (on average 1.0918220946915351) internal successors, (2283), 2092 states have internal predecessors, (2283), 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 10:46:48,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 2093 states and 2283 transitions. [2022-11-20 10:46:48,555 INFO L78 Accepts]: Start accepts. Automaton has 2093 states and 2283 transitions. Word has length 474 [2022-11-20 10:46:48,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:46:48,556 INFO L495 AbstractCegarLoop]: Abstraction has 2093 states and 2283 transitions. [2022-11-20 10:46:48,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 4.958115183246074) internal successors, (947), 192 states have internal predecessors, (947), 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 10:46:48,557 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2283 transitions. [2022-11-20 10:46:48,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 955 [2022-11-20 10:46:48,591 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:46:48,592 INFO L195 NwaCegarLoop]: trace histogram [191, 190, 190, 190, 190, 1, 1, 1] [2022-11-20 10:46:48,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-20 10:46:48,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-20 10:46:48,798 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:46:48,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:48,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1823216956, now seen corresponding path program 7 times [2022-11-20 10:46:48,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:48,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899628774] [2022-11-20 10:46:48,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:48,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:20,520 INFO L134 CoverageAnalysis]: Checked inductivity of 90155 backedges. 0 proven. 90155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:20,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:20,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899628774] [2022-11-20 10:47:20,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899628774] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:47:20,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983964849] [2022-11-20 10:47:20,521 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-20 10:47:20,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:20,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:20,525 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:47:20,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-20 10:47:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:20,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 1719 conjuncts, 102 conjunts are in the unsatisfiable core [2022-11-20 10:47:20,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:47:33,405 INFO L134 CoverageAnalysis]: Checked inductivity of 90155 backedges. 70040 proven. 0 refuted. 0 times theorem prover too weak. 20115 trivial. 0 not checked. [2022-11-20 10:47:33,406 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:47:33,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983964849] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:33,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:47:33,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [103] imperfect sequences [192] total 294 [2022-11-20 10:47:33,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501467390] [2022-11-20 10:47:33,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:33,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2022-11-20 10:47:33,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:33,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2022-11-20 10:47:33,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23780, Invalid=62362, Unknown=0, NotChecked=0, Total=86142 [2022-11-20 10:47:33,420 INFO L87 Difference]: Start difference. First operand 2093 states and 2283 transitions. Second operand has 103 states, 103 states have (on average 4.941747572815534) internal successors, (509), 103 states have internal predecessors, (509), 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 10:47:34,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:34,733 INFO L93 Difference]: Finished difference Result 2541 states and 2731 transitions. [2022-11-20 10:47:34,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-11-20 10:47:34,734 INFO L78 Accepts]: Start accepts. Automaton has has 103 states, 103 states have (on average 4.941747572815534) internal successors, (509), 103 states have internal predecessors, (509), 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 954 [2022-11-20 10:47:34,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:34,740 INFO L225 Difference]: With dead ends: 2541 [2022-11-20 10:47:34,740 INFO L226 Difference]: Without dead ends: 1551 [2022-11-20 10:47:34,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1145 GetRequests, 853 SyntacticMatches, 0 SemanticMatches, 292 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19190 ImplicationChecksByTransitivity, 26.4s TimeCoverageRelationStatistics Valid=23780, Invalid=62362, Unknown=0, NotChecked=0, Total=86142 [2022-11-20 10:47:34,750 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 35 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 1606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:34,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 1014 Invalid, 1606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1600 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 10:47:34,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2022-11-20 10:47:34,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1551. [2022-11-20 10:47:34,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1551 states, 1550 states have (on average 1.064516129032258) internal successors, (1650), 1550 states have internal predecessors, (1650), 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 10:47:34,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1551 states and 1650 transitions. [2022-11-20 10:47:34,806 INFO L78 Accepts]: Start accepts. Automaton has 1551 states and 1650 transitions. Word has length 954 [2022-11-20 10:47:34,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:34,807 INFO L495 AbstractCegarLoop]: Abstraction has 1551 states and 1650 transitions. [2022-11-20 10:47:34,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 4.941747572815534) internal successors, (509), 103 states have internal predecessors, (509), 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 10:47:34,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 1650 transitions. [2022-11-20 10:47:34,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2022-11-20 10:47:34,837 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:34,837 INFO L195 NwaCegarLoop]: trace histogram [190, 189, 189, 189, 189, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:34,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-20 10:47:35,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-20 10:47:35,045 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:47:35,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:35,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1158122571, now seen corresponding path program 1 times [2022-11-20 10:47:35,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:35,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375018622] [2022-11-20 10:47:35,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:35,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,434 INFO L134 CoverageAnalysis]: Checked inductivity of 89209 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 89208 trivial. 0 not checked. [2022-11-20 10:47:35,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:35,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375018622] [2022-11-20 10:47:35,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375018622] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:47:35,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721898942] [2022-11-20 10:47:35,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:35,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:35,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:35,441 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:47:35,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-20 10:47:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 1722 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:47:35,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:47:35,797 INFO L134 CoverageAnalysis]: Checked inductivity of 89209 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 89208 trivial. 0 not checked. [2022-11-20 10:47:35,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:47:35,844 INFO L134 CoverageAnalysis]: Checked inductivity of 89209 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 89208 trivial. 0 not checked. [2022-11-20 10:47:35,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721898942] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:47:35,844 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:47:35,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-11-20 10:47:35,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928740954] [2022-11-20 10:47:35,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:47:35,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:47:35,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:35,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:47:35,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:47:35,848 INFO L87 Difference]: Start difference. First operand 1551 states and 1650 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 10:47:35,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:35,898 INFO L93 Difference]: Finished difference Result 2484 states and 2583 transitions. [2022-11-20 10:47:35,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:47:35,899 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 956 [2022-11-20 10:47:35,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:35,904 INFO L225 Difference]: With dead ends: 2484 [2022-11-20 10:47:35,904 INFO L226 Difference]: Without dead ends: 1533 [2022-11-20 10:47:35,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1914 GetRequests, 1910 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 10:47:35,906 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 24 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:35,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 34 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:47:35,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2022-11-20 10:47:35,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1533. [2022-11-20 10:47:35,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1533 states, 1532 states have (on average 1.0633159268929504) internal successors, (1629), 1532 states have internal predecessors, (1629), 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 10:47:35,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1629 transitions. [2022-11-20 10:47:35,960 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1629 transitions. Word has length 956 [2022-11-20 10:47:35,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:35,960 INFO L495 AbstractCegarLoop]: Abstraction has 1533 states and 1629 transitions. [2022-11-20 10:47:35,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 10:47:35,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1629 transitions. [2022-11-20 10:47:35,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2022-11-20 10:47:35,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:35,971 INFO L195 NwaCegarLoop]: trace histogram [187, 186, 186, 186, 186, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2022-11-20 10:47:35,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-20 10:47:36,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-20 10:47:36,179 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:47:36,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:36,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1428498574, now seen corresponding path program 2 times [2022-11-20 10:47:36,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:36,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354585637] [2022-11-20 10:47:36,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:36,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:36,762 INFO L134 CoverageAnalysis]: Checked inductivity of 86431 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 86397 trivial. 0 not checked. [2022-11-20 10:47:36,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:36,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354585637] [2022-11-20 10:47:36,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354585637] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:47:36,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097249367] [2022-11-20 10:47:36,763 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 10:47:36,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:36,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:36,765 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:47:36,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-20 10:47:37,051 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 10:47:37,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:47:37,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 1722 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 10:47:37,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:47:37,115 INFO L134 CoverageAnalysis]: Checked inductivity of 86431 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 86397 trivial. 0 not checked. [2022-11-20 10:47:37,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:47:37,207 INFO L134 CoverageAnalysis]: Checked inductivity of 86431 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 86397 trivial. 0 not checked. [2022-11-20 10:47:37,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097249367] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:47:37,207 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:47:37,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2022-11-20 10:47:37,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263710674] [2022-11-20 10:47:37,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:47:37,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 10:47:37,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:37,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 10:47:37,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-11-20 10:47:37,211 INFO L87 Difference]: Start difference. First operand 1533 states and 1629 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:37,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:37,272 INFO L93 Difference]: Finished difference Result 2436 states and 2532 transitions. [2022-11-20 10:47:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 10:47:37,273 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 956 [2022-11-20 10:47:37,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:37,277 INFO L225 Difference]: With dead ends: 2436 [2022-11-20 10:47:37,277 INFO L226 Difference]: Without dead ends: 1497 [2022-11-20 10:47:37,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1917 GetRequests, 1907 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 10:47:37,279 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 40 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:37,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 46 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:47:37,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2022-11-20 10:47:37,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1497. [2022-11-20 10:47:37,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1497 states, 1496 states have (on average 1.0608288770053476) internal successors, (1587), 1496 states have internal predecessors, (1587), 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 10:47:37,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 1587 transitions. [2022-11-20 10:47:37,329 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 1587 transitions. Word has length 956 [2022-11-20 10:47:37,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:37,329 INFO L495 AbstractCegarLoop]: Abstraction has 1497 states and 1587 transitions. [2022-11-20 10:47:37,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:37,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1587 transitions. [2022-11-20 10:47:37,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2022-11-20 10:47:37,339 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:37,339 INFO L195 NwaCegarLoop]: trace histogram [181, 180, 180, 180, 180, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2022-11-20 10:47:37,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-20 10:47:37,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:37,551 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:47:37,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:37,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1172962450, now seen corresponding path program 3 times [2022-11-20 10:47:37,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:37,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259549826] [2022-11-20 10:47:37,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:37,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 81145 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 80910 trivial. 0 not checked. [2022-11-20 10:47:38,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:38,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259549826] [2022-11-20 10:47:38,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259549826] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:47:38,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184893592] [2022-11-20 10:47:38,506 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 10:47:38,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:38,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:38,507 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:47:38,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-20 10:47:38,617 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-20 10:47:38,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:47:38,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 10:47:38,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:47:38,711 INFO L134 CoverageAnalysis]: Checked inductivity of 81145 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 80910 trivial. 0 not checked. [2022-11-20 10:47:38,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:47:38,968 INFO L134 CoverageAnalysis]: Checked inductivity of 81145 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 80910 trivial. 0 not checked. [2022-11-20 10:47:38,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184893592] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:47:38,968 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:47:38,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 24 [2022-11-20 10:47:38,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780553171] [2022-11-20 10:47:38,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:47:38,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-20 10:47:38,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:38,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-20 10:47:38,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-11-20 10:47:38,971 INFO L87 Difference]: Start difference. First operand 1497 states and 1587 transitions. Second operand has 24 states, 24 states have (on average 4.666666666666667) internal successors, (112), 24 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:39,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:39,089 INFO L93 Difference]: Finished difference Result 2340 states and 2430 transitions. [2022-11-20 10:47:39,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-20 10:47:39,089 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.666666666666667) internal successors, (112), 24 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 956 [2022-11-20 10:47:39,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:39,094 INFO L225 Difference]: With dead ends: 2340 [2022-11-20 10:47:39,094 INFO L226 Difference]: Without dead ends: 1425 [2022-11-20 10:47:39,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1923 GetRequests, 1901 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 10:47:39,096 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 132 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:39,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 86 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:47:39,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2022-11-20 10:47:39,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 1425. [2022-11-20 10:47:39,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1425 states, 1424 states have (on average 1.0554775280898876) internal successors, (1503), 1424 states have internal predecessors, (1503), 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 10:47:39,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 1503 transitions. [2022-11-20 10:47:39,141 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 1503 transitions. Word has length 956 [2022-11-20 10:47:39,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:39,142 INFO L495 AbstractCegarLoop]: Abstraction has 1425 states and 1503 transitions. [2022-11-20 10:47:39,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.666666666666667) internal successors, (112), 24 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:39,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1503 transitions. [2022-11-20 10:47:39,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2022-11-20 10:47:39,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:39,152 INFO L195 NwaCegarLoop]: trace histogram [169, 168, 168, 168, 168, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2022-11-20 10:47:39,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-20 10:47:39,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-20 10:47:39,357 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:47:39,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:39,357 INFO L85 PathProgramCache]: Analyzing trace with hash 393309906, now seen corresponding path program 4 times [2022-11-20 10:47:39,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:39,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010037827] [2022-11-20 10:47:39,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:39,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:40,997 INFO L134 CoverageAnalysis]: Checked inductivity of 71653 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 70476 trivial. 0 not checked. [2022-11-20 10:47:40,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:40,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010037827] [2022-11-20 10:47:40,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010037827] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:47:40,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484186852] [2022-11-20 10:47:40,998 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 10:47:40,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:40,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:41,000 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:47:41,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-20 10:47:41,299 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 10:47:41,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:47:41,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 1722 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-20 10:47:41,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:47:41,487 INFO L134 CoverageAnalysis]: Checked inductivity of 71653 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 70476 trivial. 0 not checked. [2022-11-20 10:47:41,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:47:42,416 INFO L134 CoverageAnalysis]: Checked inductivity of 71653 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 70476 trivial. 0 not checked. [2022-11-20 10:47:42,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484186852] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:47:42,416 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:47:42,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 48 [2022-11-20 10:47:42,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266853562] [2022-11-20 10:47:42,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:47:42,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-11-20 10:47:42,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:42,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-11-20 10:47:42,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2022-11-20 10:47:42,419 INFO L87 Difference]: Start difference. First operand 1425 states and 1503 transitions. Second operand has 48 states, 48 states have (on average 4.833333333333333) internal successors, (232), 48 states have internal predecessors, (232), 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 10:47:42,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:42,600 INFO L93 Difference]: Finished difference Result 2148 states and 2226 transitions. [2022-11-20 10:47:42,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-20 10:47:42,601 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 4.833333333333333) internal successors, (232), 48 states have internal predecessors, (232), 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 956 [2022-11-20 10:47:42,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:42,605 INFO L225 Difference]: With dead ends: 2148 [2022-11-20 10:47:42,605 INFO L226 Difference]: Without dead ends: 1281 [2022-11-20 10:47:42,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1935 GetRequests, 1889 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2022-11-20 10:47:42,608 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 276 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:42,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 126 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:47:42,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2022-11-20 10:47:42,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 1281. [2022-11-20 10:47:42,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 1280 states have (on average 1.04296875) internal successors, (1335), 1280 states have internal predecessors, (1335), 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 10:47:42,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1335 transitions. [2022-11-20 10:47:42,647 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1335 transitions. Word has length 956 [2022-11-20 10:47:42,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:42,648 INFO L495 AbstractCegarLoop]: Abstraction has 1281 states and 1335 transitions. [2022-11-20 10:47:42,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.833333333333333) internal successors, (232), 48 states have internal predecessors, (232), 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 10:47:42,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1335 transitions. [2022-11-20 10:47:42,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2022-11-20 10:47:42,658 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:42,658 INFO L195 NwaCegarLoop]: trace histogram [145, 144, 144, 144, 144, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2022-11-20 10:47:42,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-20 10:47:42,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:42,865 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:47:42,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:42,865 INFO L85 PathProgramCache]: Analyzing trace with hash -40045742, now seen corresponding path program 5 times [2022-11-20 10:47:42,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:42,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806066935] [2022-11-20 10:47:42,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:42,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:46,534 INFO L134 CoverageAnalysis]: Checked inductivity of 56989 backedges. 0 proven. 5221 refuted. 0 times theorem prover too weak. 51768 trivial. 0 not checked. [2022-11-20 10:47:46,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:46,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806066935] [2022-11-20 10:47:46,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806066935] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:47:46,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095532107] [2022-11-20 10:47:46,535 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-20 10:47:46,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:46,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:46,536 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:47:46,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-20 10:47:47,314 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 145 check-sat command(s) [2022-11-20 10:47:47,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:47:47,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 1722 conjuncts, 145 conjunts are in the unsatisfiable core [2022-11-20 10:47:47,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:47:59,162 INFO L134 CoverageAnalysis]: Checked inductivity of 56989 backedges. 51767 proven. 0 refuted. 0 times theorem prover too weak. 5222 trivial. 0 not checked. [2022-11-20 10:47:59,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:47:59,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095532107] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:59,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:47:59,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [146] imperfect sequences [49] total 193 [2022-11-20 10:47:59,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444232233] [2022-11-20 10:47:59,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:59,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2022-11-20 10:47:59,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:59,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2022-11-20 10:47:59,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11760, Invalid=25296, Unknown=0, NotChecked=0, Total=37056 [2022-11-20 10:47:59,172 INFO L87 Difference]: Start difference. First operand 1281 states and 1335 transitions. Second operand has 146 states, 146 states have (on average 5.006849315068493) internal successors, (731), 146 states have internal predecessors, (731), 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 10:47:59,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:59,292 INFO L93 Difference]: Finished difference Result 2955 states and 3009 transitions. [2022-11-20 10:47:59,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:47:59,293 INFO L78 Accepts]: Start accepts. Automaton has has 146 states, 146 states have (on average 5.006849315068493) internal successors, (731), 146 states have internal predecessors, (731), 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 956 [2022-11-20 10:47:59,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:59,294 INFO L225 Difference]: With dead ends: 2955 [2022-11-20 10:47:59,294 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 10:47:59,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1004 GetRequests, 813 SyntacticMatches, 0 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6624 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=11760, Invalid=25296, Unknown=0, NotChecked=0, Total=37056 [2022-11-20 10:47:59,301 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:59,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 174 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:47:59,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 10:47:59,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 10:47:59,302 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 10:47:59,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 10:47:59,303 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 956 [2022-11-20 10:47:59,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:59,303 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:47:59,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 5.006849315068493) internal successors, (731), 146 states have internal predecessors, (731), 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 10:47:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:47:59,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 10:47:59,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-20 10:47:59,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-20 10:47:59,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-20 10:47:59,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-20 10:47:59,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-20 10:47:59,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-20 10:47:59,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-20 10:47:59,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-20 10:47:59,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-20 10:47:59,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:59,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 10:48:06,549 WARN L233 SmtUtils]: Spent 6.62s on a formula simplification. DAG size of input: 629 DAG size of output: 534 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-20 10:48:14,190 WARN L233 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 534 DAG size of output: 45 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 10:48:14,194 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2022-11-20 10:48:14,194 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:48:14,194 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2022-11-20 10:48:14,194 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2022-11-20 10:48:14,194 INFO L902 garLoopResultBuilder]: At program point L19(lines 5 20) the Hoare annotation is: true [2022-11-20 10:48:14,195 INFO L899 garLoopResultBuilder]: For program point L17(line 17) no Hoare annotation was computed. [2022-11-20 10:48:14,195 INFO L899 garLoopResultBuilder]: For program point L17-1(line 17) no Hoare annotation was computed. [2022-11-20 10:48:14,195 INFO L895 garLoopResultBuilder]: At program point L15-2(lines 15 18) the Hoare annotation is: (let ((.cse0 (<= 5 |ULTIMATE.start_main_~j~0#1|)) (.cse1 (<= 0 |ULTIMATE.start_main_~c~0#1|)) (.cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|)) (.cse3 (<= 100 |ULTIMATE.start_main_~i~0#1|))) (or (and (<= 23 |ULTIMATE.start_main_~j~0#1|) .cse0 .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483564)) (and (< |ULTIMATE.start_main_~c~0#1| 2147483558) .cse0 .cse1 .cse2 .cse3) (and (< |ULTIMATE.start_main_~c~0#1| 2147483560) .cse0 .cse1 .cse2 .cse3 (<= 11 |ULTIMATE.start_main_~j~0#1|)) (and (<= 17 |ULTIMATE.start_main_~j~0#1|) (< |ULTIMATE.start_main_~c~0#1| 2147483562) .cse0 .cse1 .cse2 .cse3) (and (<= 14 |ULTIMATE.start_main_~j~0#1|) .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483561) .cse1 .cse2 .cse3) (and (<= 20 |ULTIMATE.start_main_~j~0#1|) .cse0 .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483563)) (and (<= 8 |ULTIMATE.start_main_~j~0#1|) (< |ULTIMATE.start_main_~c~0#1| 2147483559) .cse0 .cse1 .cse2 .cse3))) [2022-11-20 10:48:14,196 INFO L899 garLoopResultBuilder]: For program point L15-3(lines 15 18) no Hoare annotation was computed. [2022-11-20 10:48:14,196 INFO L899 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2022-11-20 10:48:14,196 INFO L899 garLoopResultBuilder]: For program point L11-1(line 11) no Hoare annotation was computed. [2022-11-20 10:48:14,196 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2022-11-20 10:48:14,196 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 10:48:14,196 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2022-11-20 10:48:14,197 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2022-11-20 10:48:14,197 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 10:48:14,197 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2022-11-20 10:48:14,197 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:48:14,197 INFO L899 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed. [2022-11-20 10:48:14,197 INFO L899 garLoopResultBuilder]: For program point L16-1(line 16) no Hoare annotation was computed. [2022-11-20 10:48:14,197 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2022-11-20 10:48:14,198 INFO L899 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed. [2022-11-20 10:48:14,198 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2022-11-20 10:48:14,199 INFO L895 garLoopResultBuilder]: At program point L10-2(lines 10 13) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~c~0#1|))) (or (and (<= 12 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 12)) (and (<= |ULTIMATE.start_main_~c~0#1| 76) (<= 76 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_main_~c~0#1| 89) (<= 89 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= 57 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 57)) (and (<= |ULTIMATE.start_main_~c~0#1| 56) .cse0 (<= 56 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 25) .cse0 (<= 25 |ULTIMATE.start_main_~i~0#1|)) (and (<= 88 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 88)) (and .cse0 (<= 41 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 41)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 73) (<= 73 |ULTIMATE.start_main_~i~0#1|)) (and (<= 91 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 91)) (and (< |ULTIMATE.start_main_~c~0#1| 2147483557) .cse0 (<= 99 |ULTIMATE.start_main_~i~0#1|)) (and (<= 83 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 83)) (and .cse0 (<= 34 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 34)) (and (<= |ULTIMATE.start_main_~c~0#1| 43) (<= 43 |ULTIMATE.start_main_~i~0#1|) .cse0) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 61) .cse0 (<= 61 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 20) (<= 20 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 38) .cse0 (<= 38 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 42) (<= 42 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= 90 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 90)) (and (<= 47 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 47) .cse0) (and (<= 72 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 72) .cse0) (and (<= 49 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 49)) (and (<= 35 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 35) .cse0) (and (<= |ULTIMATE.start_main_~c~0#1| 45) .cse0 (<= 45 |ULTIMATE.start_main_~i~0#1|)) (and (<= 98 |ULTIMATE.start_main_~i~0#1|) .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483556)) (and (<= |ULTIMATE.start_main_~c~0#1| 87) (<= 87 |ULTIMATE.start_main_~i~0#1|) .cse0) (and .cse0 (<= 26 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 26)) (and (<= 44 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 44)) (and .cse0 (<= 94 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 94)) (and (<= 79 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 79) .cse0) (and (<= |ULTIMATE.start_main_~c~0#1| 50) .cse0 (<= 50 |ULTIMATE.start_main_~i~0#1|)) (and (<= 52 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 52) .cse0) (and (<= 58 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 58)) (and (<= |ULTIMATE.start_main_~c~0#1| 66) (<= 66 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_main_~c~0#1| 24) .cse0 (<= 24 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 6) (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and (<= 97 |ULTIMATE.start_main_~i~0#1|) .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483555)) (and (<= 84 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 84)) (and (<= 36 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 36) .cse0) (and .cse0 (<= 78 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 78)) (and (<= |ULTIMATE.start_main_~c~0#1| 4) .cse0 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 92) (<= 92 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= 28 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 28) .cse0) (and (<= 17 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 17)) (and (<= 7 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 7)) (and (<= |ULTIMATE.start_main_~c~0#1| 62) .cse0 (<= 62 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 16) (<= 16 |ULTIMATE.start_main_~i~0#1|)) (and (<= 23 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 23)) (and (<= |ULTIMATE.start_main_~c~0#1| 63) .cse0 (<= 63 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 51) (<= 51 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= 64 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 64) .cse0) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483554) (<= 96 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 21) (<= 21 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= 93 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 93)) (and (<= |ULTIMATE.start_main_~c~0#1| 65) .cse0 (<= 65 |ULTIMATE.start_main_~i~0#1|)) (and (<= 59 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 59)) (and (<= |ULTIMATE.start_main_~c~0#1| 53) (<= 53 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= 13 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 13)) (and .cse0 (<= 9 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 9)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 11) (<= 11 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 15) (<= 15 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_main_~c~0#1| 69) .cse0 (<= 69 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 74 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 74)) (and (<= |ULTIMATE.start_main_~c~0#1| 68) .cse0 (<= 68 |ULTIMATE.start_main_~i~0#1|)) (and (< |ULTIMATE.start_main_~c~0#1| 2147483558) .cse0 (<= 100 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 67 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 67)) (and (<= |ULTIMATE.start_main_~c~0#1| 54) .cse0 (<= 54 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 81) (<= 81 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 22) .cse0 (<= 22 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 2) (<= 2 |ULTIMATE.start_main_~i~0#1|)) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 1) .cse0) (and .cse0 (<= 85 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 85)) (and (<= 10 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 10) .cse0) (and (<= 29 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 29)) (and (<= |ULTIMATE.start_main_~c~0#1| 33) .cse0 (<= 33 |ULTIMATE.start_main_~i~0#1|)) (and (<= 82 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 82)) (and (<= 48 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 48) .cse0) (and (<= 55 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 55) .cse0) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 71) (<= 71 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 32) (<= 32 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 60) (<= 60 |ULTIMATE.start_main_~i~0#1|) .cse0) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 31) (<= 31 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 70) .cse0 (<= 70 |ULTIMATE.start_main_~i~0#1|)) (and (<= 86 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 86) .cse0) (and (<= 40 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 40)) (and (<= |ULTIMATE.start_main_~c~0#1| 14) (<= 14 |ULTIMATE.start_main_~i~0#1|) .cse0) (and .cse0 (<= 95 |ULTIMATE.start_main_~i~0#1|) (< |ULTIMATE.start_main_~c~0#1| 2147483553)) (and (<= |ULTIMATE.start_main_~c~0#1| 80) .cse0 (<= 80 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 5) (<= 5 |ULTIMATE.start_main_~i~0#1|) .cse0) (and .cse0 (<= 3 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 3)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 77) (<= 77 |ULTIMATE.start_main_~i~0#1|)) (and (<= 30 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 30)) (and (<= 37 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 37) .cse0) (and (<= |ULTIMATE.start_main_~c~0#1| 39) .cse0 (<= 39 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 8) (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 27) (<= 27 |ULTIMATE.start_main_~i~0#1|) .cse0) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 75) (<= 75 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 19) (<= 19 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= 18 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 18)) (and .cse0 (<= 46 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 46)))) [2022-11-20 10:48:14,200 INFO L899 garLoopResultBuilder]: For program point L10-3(lines 10 13) no Hoare annotation was computed. [2022-11-20 10:48:14,203 INFO L444 BasicCegarLoop]: Path program histogram: [7, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:48:14,205 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:48:14,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:48:14 BoogieIcfgContainer [2022-11-20 10:48:14,237 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:48:14,237 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:48:14,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:48:14,238 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:48:14,238 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:45:48" (3/4) ... [2022-11-20 10:48:14,241 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:48:14,251 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 10:48:14,251 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 10:48:14,252 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:48:14,289 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:48:14,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:48:14,290 INFO L158 Benchmark]: Toolchain (without parser) took 146495.34ms. Allocated memory was 222.3MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 174.5MB in the beginning and 1.1GB in the end (delta: -926.0MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-11-20 10:48:14,290 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 146.8MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:48:14,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.18ms. Allocated memory is still 222.3MB. Free memory was 174.1MB in the beginning and 165.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 10:48:14,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.11ms. Allocated memory is still 222.3MB. Free memory was 165.3MB in the beginning and 163.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:48:14,291 INFO L158 Benchmark]: Boogie Preprocessor took 16.21ms. Allocated memory is still 222.3MB. Free memory was 163.6MB in the beginning and 162.8MB in the end (delta: 834.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:48:14,291 INFO L158 Benchmark]: RCFGBuilder took 233.97ms. Allocated memory is still 222.3MB. Free memory was 162.8MB in the beginning and 153.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 10:48:14,292 INFO L158 Benchmark]: TraceAbstraction took 145957.55ms. Allocated memory was 222.3MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 152.7MB in the beginning and 1.1GB in the end (delta: -950.0MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2022-11-20 10:48:14,292 INFO L158 Benchmark]: Witness Printer took 51.93ms. Allocated memory is still 2.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:48:14,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 146.8MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.18ms. Allocated memory is still 222.3MB. Free memory was 174.1MB in the beginning and 165.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.11ms. Allocated memory is still 222.3MB. Free memory was 165.3MB in the beginning and 163.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.21ms. Allocated memory is still 222.3MB. Free memory was 163.6MB in the beginning and 162.8MB in the end (delta: 834.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 233.97ms. Allocated memory is still 222.3MB. Free memory was 162.8MB in the beginning and 153.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 145957.55ms. Allocated memory was 222.3MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 152.7MB in the beginning and 1.1GB in the end (delta: -950.0MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Witness Printer took 51.93ms. Allocated memory is still 2.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 2.2MB). 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: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: 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, 25 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 145.9s, OverallIterations: 20, TraceHistogramMax: 191, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.1s, AutomataDifference: 28.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9586 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9586 mSDsluCounter, 4697 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4224 mSDsCounter, 1819 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3601 IncrementalHoareTripleChecker+Invalid, 5420 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1819 mSolverCounterUnsat, 473 mSDtfsCounter, 3601 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11897 GetRequests, 10952 SyntacticMatches, 0 SemanticMatches, 945 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25817 ImplicationChecksByTransitivity, 59.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2093occurred in iteration=14, InterpolantAutomatonStates: 604, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 20 MinimizatonAttempts, 22 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 491 NumberOfFragments, 1143 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2718 FormulaSimplificationTreeSizeReduction, 7.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 13098 FormulaSimplificationTreeSizeReductionInter, 7.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 94.8s InterpolantComputationTime, 13409 NumberOfCodeBlocks, 12559 NumberOfCodeBlocksAsserted, 343 NumberOfCheckSat, 18097 ConstructedInterpolants, 0 QuantifiedInterpolants, 29507 SizeOfPredicates, 0 NumberOfNonLiveVariables, 10531 ConjunctsInSsa, 487 ConjunctsInUnsatCore, 45 InterpolantComputations, 10 PerfectInterpolantSequences, 1179900/1366002 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: 10]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((12 <= i && 0 <= c) && c <= 12) || ((c <= 76 && 76 <= i) && 0 <= c)) || ((c <= 89 && 89 <= i) && 0 <= c)) || ((57 <= i && 0 <= c) && c <= 57)) || ((c <= 56 && 0 <= c) && 56 <= i)) || ((c <= 25 && 0 <= c) && 25 <= i)) || ((88 <= i && 0 <= c) && c <= 88)) || ((0 <= c && 41 <= i) && c <= 41)) || ((0 <= c && c <= 73) && 73 <= i)) || ((91 <= i && 0 <= c) && c <= 91)) || ((c < 2147483557 && 0 <= c) && 99 <= i)) || ((83 <= i && 0 <= c) && c <= 83)) || ((0 <= c && 34 <= i) && c <= 34)) || ((c <= 43 && 43 <= i) && 0 <= c)) || ((0 <= c && c <= 0) && 0 <= i)) || ((c <= 61 && 0 <= c) && 61 <= i)) || ((0 <= c && c <= 20) && 20 <= i)) || ((c <= 38 && 0 <= c) && 38 <= i)) || ((c <= 42 && 42 <= i) && 0 <= c)) || ((90 <= i && 0 <= c) && c <= 90)) || ((47 <= i && c <= 47) && 0 <= c)) || ((72 <= i && c <= 72) && 0 <= c)) || ((49 <= i && 0 <= c) && c <= 49)) || ((35 <= i && c <= 35) && 0 <= c)) || ((c <= 45 && 0 <= c) && 45 <= i)) || ((98 <= i && 0 <= c) && c < 2147483556)) || ((c <= 87 && 87 <= i) && 0 <= c)) || ((0 <= c && 26 <= i) && c <= 26)) || ((44 <= i && 0 <= c) && c <= 44)) || ((0 <= c && 94 <= i) && c <= 94)) || ((79 <= i && c <= 79) && 0 <= c)) || ((c <= 50 && 0 <= c) && 50 <= i)) || ((52 <= i && c <= 52) && 0 <= c)) || ((58 <= i && 0 <= c) && c <= 58)) || ((c <= 66 && 66 <= i) && 0 <= c)) || ((c <= 24 && 0 <= c) && 24 <= i)) || ((0 <= c && c <= 6) && 6 <= i)) || ((97 <= i && 0 <= c) && c < 2147483555)) || ((84 <= i && 0 <= c) && c <= 84)) || ((36 <= i && c <= 36) && 0 <= c)) || ((0 <= c && 78 <= i) && c <= 78)) || ((c <= 4 && 0 <= c) && 4 <= i)) || ((c <= 92 && 92 <= i) && 0 <= c)) || ((28 <= i && c <= 28) && 0 <= c)) || ((17 <= i && 0 <= c) && c <= 17)) || ((7 <= i && 0 <= c) && c <= 7)) || ((c <= 62 && 0 <= c) && 62 <= i)) || ((0 <= c && c <= 16) && 16 <= i)) || ((23 <= i && 0 <= c) && c <= 23)) || ((c <= 63 && 0 <= c) && 63 <= i)) || ((c <= 51 && 51 <= i) && 0 <= c)) || ((64 <= i && c <= 64) && 0 <= c)) || ((0 <= c && c < 2147483554) && 96 <= i)) || ((c <= 21 && 21 <= i) && 0 <= c)) || ((93 <= i && 0 <= c) && c <= 93)) || ((c <= 65 && 0 <= c) && 65 <= i)) || ((59 <= i && 0 <= c) && c <= 59)) || ((c <= 53 && 53 <= i) && 0 <= c)) || ((13 <= i && 0 <= c) && c <= 13)) || ((0 <= c && 9 <= i) && c <= 9)) || ((0 <= c && c <= 11) && 11 <= i)) || ((c <= 15 && 15 <= i) && 0 <= c)) || ((c <= 69 && 0 <= c) && 69 <= i)) || ((0 <= c && 74 <= i) && c <= 74)) || ((c <= 68 && 0 <= c) && 68 <= i)) || ((c < 2147483558 && 0 <= c) && 100 <= i)) || ((0 <= c && 67 <= i) && c <= 67)) || ((c <= 54 && 0 <= c) && 54 <= i)) || ((0 <= c && c <= 81) && 81 <= i)) || ((c <= 22 && 0 <= c) && 22 <= i)) || ((0 <= c && c <= 2) && 2 <= i)) || ((1 <= i && c <= 1) && 0 <= c)) || ((0 <= c && 85 <= i) && c <= 85)) || ((10 <= i && c <= 10) && 0 <= c)) || ((29 <= i && 0 <= c) && c <= 29)) || ((c <= 33 && 0 <= c) && 33 <= i)) || ((82 <= i && 0 <= c) && c <= 82)) || ((48 <= i && c <= 48) && 0 <= c)) || ((55 <= i && c <= 55) && 0 <= c)) || ((0 <= c && c <= 71) && 71 <= i)) || ((0 <= c && c <= 32) && 32 <= i)) || ((c <= 60 && 60 <= i) && 0 <= c)) || ((0 <= c && c <= 31) && 31 <= i)) || ((c <= 70 && 0 <= c) && 70 <= i)) || ((86 <= i && c <= 86) && 0 <= c)) || ((40 <= i && 0 <= c) && c <= 40)) || ((c <= 14 && 14 <= i) && 0 <= c)) || ((0 <= c && 95 <= i) && c < 2147483553)) || ((c <= 80 && 0 <= c) && 80 <= i)) || ((c <= 5 && 5 <= i) && 0 <= c)) || ((0 <= c && 3 <= i) && c <= 3)) || ((0 <= c && c <= 77) && 77 <= i)) || ((30 <= i && 0 <= c) && c <= 30)) || ((37 <= i && c <= 37) && 0 <= c)) || ((c <= 39 && 0 <= c) && 39 <= i)) || ((0 <= c && c <= 8) && 8 <= i)) || ((c <= 27 && 27 <= i) && 0 <= c)) || ((0 <= c && c <= 75) && 75 <= i)) || ((c <= 19 && 19 <= i) && 0 <= c)) || ((18 <= i && 0 <= c) && c <= 18)) || ((0 <= c && 46 <= i) && c <= 46) - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: ((((((((((23 <= j && 5 <= j) && 0 <= c) && 0 <= i) && 100 <= i) && c < 2147483564) || ((((c < 2147483558 && 5 <= j) && 0 <= c) && 0 <= i) && 100 <= i)) || (((((c < 2147483560 && 5 <= j) && 0 <= c) && 0 <= i) && 100 <= i) && 11 <= j)) || (((((17 <= j && c < 2147483562) && 5 <= j) && 0 <= c) && 0 <= i) && 100 <= i)) || (((((14 <= j && 5 <= j) && c < 2147483561) && 0 <= c) && 0 <= i) && 100 <= i)) || (((((20 <= j && 5 <= j) && 0 <= c) && 0 <= i) && 100 <= i) && c < 2147483563)) || (((((8 <= j && c < 2147483559) && 5 <= j) && 0 <= c) && 0 <= i) && 100 <= i) RESULT: Ultimate proved your program to be correct! [2022-11-20 10:48:14,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104c5b85-3112-4600-bf78-a4b3cd20a4e2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE