./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fc83cc3a8494e0af091735c8106bea1410f38e97d23242a4859bffcacf6cc37f --- 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 21:27:30,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:27:30,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:27:30,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:27:30,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:27:30,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:27:30,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:27:30,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:27:30,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:27:30,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:27:30,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:27:30,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:27:30,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:27:30,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:27:30,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:27:30,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:27:30,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:27:30,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:27:30,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:27:30,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:27:30,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:27:30,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:27:30,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:27:30,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:27:30,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:27:30,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:27:30,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:27:30,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:27:30,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:27:30,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:27:30,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:27:30,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:27:30,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:27:30,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:27:30,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:27:30,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:27:30,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:27:30,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:27:30,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:27:30,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:27:30,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:27:30,642 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-20 21:27:30,666 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:27:30,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:27:30,666 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:27:30,667 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:27:30,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:27:30,668 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:27:30,668 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:27:30,668 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:27:30,668 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:27:30,669 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:27:30,669 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:27:30,669 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:27:30,669 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:27:30,669 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:27:30,670 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:27:30,670 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:27:30,670 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:27:30,670 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:27:30,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:27:30,671 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 21:27:30,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:27:30,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:27:30,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:27:30,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:27:30,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:27:30,673 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 21:27:30,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:27:30,673 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:27:30,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:27:30,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:27:30,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:27:30,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:27:30,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:27:30,675 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:27:30,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:27:30,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:27:30,675 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:27:30,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:27:30,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:27:30,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:27:30,676 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_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc83cc3a8494e0af091735c8106bea1410f38e97d23242a4859bffcacf6cc37f [2022-11-20 21:27:30,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:27:30,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:27:30,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:27:30,933 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:27:30,934 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:27:30,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_08_good.i [2022-11-20 21:27:34,173 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:27:34,548 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:27:34,549 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_08_good.i [2022-11-20 21:27:34,570 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/data/29b1bb84c/e460ca13de664310b8a72a0688f5f53b/FLAGeb2a26131 [2022-11-20 21:27:34,585 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/data/29b1bb84c/e460ca13de664310b8a72a0688f5f53b [2022-11-20 21:27:34,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:27:34,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:27:34,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:27:34,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:27:34,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:27:34,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:34" (1/1) ... [2022-11-20 21:27:34,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d93785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:34, skipping insertion in model container [2022-11-20 21:27:34,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:34" (1/1) ... [2022-11-20 21:27:34,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:27:34,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:27:35,047 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 21:27:35,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:27:35,649 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:27:35,685 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 21:27:35,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:27:35,942 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:27:35,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35 WrapperNode [2022-11-20 21:27:35,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:27:35,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:27:35,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:27:35,944 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:27:35,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... [2022-11-20 21:27:35,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... [2022-11-20 21:27:35,998 INFO L138 Inliner]: procedures = 505, calls = 89, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 127 [2022-11-20 21:27:35,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:27:35,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:27:35,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:27:36,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:27:36,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... [2022-11-20 21:27:36,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... [2022-11-20 21:27:36,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... [2022-11-20 21:27:36,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... [2022-11-20 21:27:36,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... [2022-11-20 21:27:36,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... [2022-11-20 21:27:36,023 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... [2022-11-20 21:27:36,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... [2022-11-20 21:27:36,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:27:36,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:27:36,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:27:36,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:27:36,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (1/1) ... [2022-11-20 21:27:36,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:27:36,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:27:36,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:27:36,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:27:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 21:27:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 21:27:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 21:27:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 21:27:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 21:27:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 21:27:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:27:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:27:36,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:27:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-11-20 21:27:36,103 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-11-20 21:27:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 21:27:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2022-11-20 21:27:36,103 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2022-11-20 21:27:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 21:27:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 21:27:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 21:27:36,248 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:27:36,250 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:27:36,551 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:27:36,623 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:27:36,623 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 21:27:36,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:36 BoogieIcfgContainer [2022-11-20 21:27:36,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:27:36,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:27:36,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:27:36,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:27:36,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:27:34" (1/3) ... [2022-11-20 21:27:36,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38addbe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:36, skipping insertion in model container [2022-11-20 21:27:36,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35" (2/3) ... [2022-11-20 21:27:36,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38addbe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:36, skipping insertion in model container [2022-11-20 21:27:36,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:36" (3/3) ... [2022-11-20 21:27:36,641 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_08_good.i [2022-11-20 21:27:36,661 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:27:36,661 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-20 21:27:36,726 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:27:36,733 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=FINITE_AUTOMATA, 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;@1d2a9356, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:27:36,734 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-20 21:27:36,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 49 states have internal predecessors, (49), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-20 21:27:36,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 21:27:36,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:27:36,748 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:27:36,749 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 21:27:36,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:27:36,755 INFO L85 PathProgramCache]: Analyzing trace with hash -100248846, now seen corresponding path program 1 times [2022-11-20 21:27:36,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:27:36,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360784207] [2022-11-20 21:27:36,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:27:36,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:27:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:27:37,541 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 21:27:37,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:27:37,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360784207] [2022-11-20 21:27:37,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360784207] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:27:37,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:27:37,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 21:27:37,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20482900] [2022-11-20 21:27:37,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:27:37,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 21:27:37,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:27:37,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 21:27:37,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-20 21:27:37,583 INFO L87 Difference]: Start difference. First operand has 65 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 49 states have internal predecessors, (49), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 21:27:37,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:27:37,815 INFO L93 Difference]: Finished difference Result 65 states and 85 transitions. [2022-11-20 21:27:37,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 21:27:37,818 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 16 [2022-11-20 21:27:37,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:27:37,828 INFO L225 Difference]: With dead ends: 65 [2022-11-20 21:27:37,829 INFO L226 Difference]: Without dead ends: 59 [2022-11-20 21:27:37,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-20 21:27:37,839 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 9 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:27:37,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 308 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:27:37,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-20 21:27:37,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-20 21:27:37,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 32 states have (on average 1.375) internal successors, (44), 44 states have internal predecessors, (44), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-20 21:27:37,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 76 transitions. [2022-11-20 21:27:37,892 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 76 transitions. Word has length 16 [2022-11-20 21:27:37,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:27:37,894 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 76 transitions. [2022-11-20 21:27:37,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 21:27:37,894 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2022-11-20 21:27:37,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 21:27:37,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:27:37,896 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:27:37,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 21:27:37,896 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 21:27:37,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:27:37,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1187253139, now seen corresponding path program 1 times [2022-11-20 21:27:37,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:27:37,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652945244] [2022-11-20 21:27:37,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:27:37,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:27:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:27:37,986 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 21:27:37,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:27:37,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652945244] [2022-11-20 21:27:37,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652945244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:27:37,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:27:37,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:27:37,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653492646] [2022-11-20 21:27:37,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:27:37,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:27:37,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:27:37,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:27:37,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:27:37,990 INFO L87 Difference]: Start difference. First operand 59 states and 76 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 21:27:38,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:27:38,043 INFO L93 Difference]: Finished difference Result 59 states and 76 transitions. [2022-11-20 21:27:38,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 21:27:38,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 17 [2022-11-20 21:27:38,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:27:38,046 INFO L225 Difference]: With dead ends: 59 [2022-11-20 21:27:38,046 INFO L226 Difference]: Without dead ends: 58 [2022-11-20 21:27:38,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:27:38,048 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:27:38,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:27:38,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-20 21:27:38,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-20 21:27:38,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 32 states have (on average 1.34375) internal successors, (43), 43 states have internal predecessors, (43), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-20 21:27:38,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 75 transitions. [2022-11-20 21:27:38,059 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 75 transitions. Word has length 17 [2022-11-20 21:27:38,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:27:38,059 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 75 transitions. [2022-11-20 21:27:38,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 21:27:38,060 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2022-11-20 21:27:38,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 21:27:38,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:27:38,061 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:27:38,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 21:27:38,061 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 21:27:38,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:27:38,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1727325188, now seen corresponding path program 1 times [2022-11-20 21:27:38,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:27:38,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017135764] [2022-11-20 21:27:38,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:27:38,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:27:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:27:38,151 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 21:27:38,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:27:38,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017135764] [2022-11-20 21:27:38,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017135764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:27:38,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:27:38,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 21:27:38,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056600545] [2022-11-20 21:27:38,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:27:38,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:27:38,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:27:38,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:27:38,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:27:38,154 INFO L87 Difference]: Start difference. First operand 58 states and 75 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 21:27:38,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:27:38,226 INFO L93 Difference]: Finished difference Result 102 states and 128 transitions. [2022-11-20 21:27:38,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 21:27:38,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 29 [2022-11-20 21:27:38,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:27:38,230 INFO L225 Difference]: With dead ends: 102 [2022-11-20 21:27:38,230 INFO L226 Difference]: Without dead ends: 57 [2022-11-20 21:27:38,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:27:38,236 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:27:38,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:27:38,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-20 21:27:38,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-20 21:27:38,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 32 states have (on average 1.3125) internal successors, (42), 42 states have internal predecessors, (42), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-20 21:27:38,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2022-11-20 21:27:38,252 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 29 [2022-11-20 21:27:38,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:27:38,252 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2022-11-20 21:27:38,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 21:27:38,254 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2022-11-20 21:27:38,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 21:27:38,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:27:38,256 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:27:38,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 21:27:38,256 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 21:27:38,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:27:38,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1685585665, now seen corresponding path program 1 times [2022-11-20 21:27:38,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:27:38,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544715495] [2022-11-20 21:27:38,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:27:38,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:27:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:27:38,579 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 21:27:38,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:27:38,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544715495] [2022-11-20 21:27:38,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544715495] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:27:38,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759187570] [2022-11-20 21:27:38,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:27:38,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:27:38,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:27:38,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:27:38,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 21:27:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:27:38,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 21:27:38,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:27:38,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:27:38,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-20 21:27:38,982 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 21:27:38,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:27:39,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:39,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2022-11-20 21:27:39,156 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 21:27:39,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759187570] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:27:39,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [629496906] [2022-11-20 21:27:39,177 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2022-11-20 21:27:39,177 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:27:39,181 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:27:39,187 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:27:39,187 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:27:39,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:39,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:39,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:39,545 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-20 21:27:39,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 86 [2022-11-20 21:27:39,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:39,726 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-20 21:27:39,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-20 21:27:39,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:39,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-20 21:27:39,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:40,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:40,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:40,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-20 21:27:40,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:40,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:40,649 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-11-20 21:27:40,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-11-20 21:27:40,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:40,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:40,723 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-20 21:27:40,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 16 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2022-11-20 21:27:40,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:40,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:40,774 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 21:27:40,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-20 21:27:40,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:40,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:41,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:41,404 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-11-20 21:27:41,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 457 treesize of output 455 [2022-11-20 21:27:41,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:41,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:44,224 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 124 for LOIs [2022-11-20 21:27:44,287 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsFalse with input of size 103 for LOIs [2022-11-20 21:27:44,327 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 142 for LOIs [2022-11-20 21:27:44,428 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:27:52,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [629496906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:27:52,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:27:52,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [6, 6, 5] total 31 [2022-11-20 21:27:52,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741326957] [2022-11-20 21:27:52,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:27:52,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-20 21:27:52,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:27:52,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-20 21:27:52,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2022-11-20 21:27:52,636 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 21:27:53,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:27:53,458 INFO L93 Difference]: Finished difference Result 128 states and 157 transitions. [2022-11-20 21:27:53,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-20 21:27:53,459 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 30 [2022-11-20 21:27:53,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:27:53,460 INFO L225 Difference]: With dead ends: 128 [2022-11-20 21:27:53,460 INFO L226 Difference]: Without dead ends: 95 [2022-11-20 21:27:53,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 60 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2022-11-20 21:27:53,462 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 96 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 147 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 21:27:53,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 288 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 333 Invalid, 0 Unknown, 147 Unchecked, 0.8s Time] [2022-11-20 21:27:53,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-20 21:27:53,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 70. [2022-11-20 21:27:53,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 50 states have internal predecessors, (52), 17 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-20 21:27:53,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 86 transitions. [2022-11-20 21:27:53,484 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 86 transitions. Word has length 30 [2022-11-20 21:27:53,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:27:53,485 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 86 transitions. [2022-11-20 21:27:53,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 21:27:53,485 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2022-11-20 21:27:53,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 21:27:53,487 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:27:53,487 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:27:53,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 21:27:53,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-11-20 21:27:53,693 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 21:27:53,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:27:53,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1351844501, now seen corresponding path program 1 times [2022-11-20 21:27:53,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:27:53,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066215138] [2022-11-20 21:27:53,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:27:53,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:27:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:27:53,994 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 21:27:53,994 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:27:53,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066215138] [2022-11-20 21:27:53,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066215138] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:27:53,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099372813] [2022-11-20 21:27:53,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:27:53,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:27:53,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:27:53,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:27:54,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 21:27:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:27:54,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 21:27:54,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:27:54,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:27:54,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-20 21:27:54,189 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 21:27:54,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:27:54,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:54,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2022-11-20 21:27:54,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 21:27:54,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099372813] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:27:54,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2005714193] [2022-11-20 21:27:54,318 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-20 21:27:54,318 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:27:54,319 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:27:54,319 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:27:54,321 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:27:54,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:54,505 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-20 21:27:54,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-20 21:27:54,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:54,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2022-11-20 21:27:54,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:54,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:54,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-20 21:27:54,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:54,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:54,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:54,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:54,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-20 21:27:55,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:55,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:55,243 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-11-20 21:27:55,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-11-20 21:27:55,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:55,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:55,302 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-20 21:27:55,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 16 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-20 21:27:55,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:55,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:27:55,351 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 21:27:55,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-20 21:27:55,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:55,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:55,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:27:55,840 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-11-20 21:27:55,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 448 treesize of output 450 [2022-11-20 21:27:56,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:56,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:27:58,393 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 124 for LOIs [2022-11-20 21:27:58,438 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 109 for LOIs [2022-11-20 21:27:58,461 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsFalse with input of size 103 for LOIs [2022-11-20 21:27:58,484 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 77 for LOIs [2022-11-20 21:27:58,492 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:28:04,801 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1290#(and (= |ULTIMATE.start_goodB2G2_~#data~1#1.offset| 0) (= ~GLOBAL_CONST_FALSE~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G1_~result~0#1| 2147483648)) (= (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) |ULTIMATE.start_goodB2G2_#t~mem101#1|) (<= |ULTIMATE.start_goodB2G1_~result~0#1| 2147483646) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= ~GLOBAL_CONST_TRUE~0 1) (not (<= |ULTIMATE.start_goodB2G2_#t~mem101#1| 2147483648)) (= ~globalArgv~0.base 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (<= 0 |ULTIMATE.start_goodB2G2_~#data~1#1.base|) (= 5 ~globalFive~0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1))' at error location [2022-11-20 21:28:04,801 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 21:28:04,801 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:28:04,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5] total 12 [2022-11-20 21:28:04,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706073584] [2022-11-20 21:28:04,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 21:28:04,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 21:28:04,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:28:04,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 21:28:04,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1095, Unknown=0, NotChecked=0, Total=1260 [2022-11-20 21:28:04,804 INFO L87 Difference]: Start difference. First operand 70 states and 86 transitions. Second operand has 13 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (10), 6 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-20 21:28:04,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:28:04,982 INFO L93 Difference]: Finished difference Result 91 states and 113 transitions. [2022-11-20 21:28:04,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 21:28:04,983 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (10), 6 states have call predecessors, (10), 3 states have call successors, (10) Word has length 32 [2022-11-20 21:28:04,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:28:04,987 INFO L225 Difference]: With dead ends: 91 [2022-11-20 21:28:04,987 INFO L226 Difference]: Without dead ends: 90 [2022-11-20 21:28:04,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 63 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=184, Invalid=1298, Unknown=0, NotChecked=0, Total=1482 [2022-11-20 21:28:04,988 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 41 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 46 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:28:04,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 367 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 0 Unknown, 46 Unchecked, 0.1s Time] [2022-11-20 21:28:04,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-20 21:28:05,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 84. [2022-11-20 21:28:05,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 50 states have (on average 1.28) internal successors, (64), 60 states have internal predecessors, (64), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-20 21:28:05,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2022-11-20 21:28:05,023 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 32 [2022-11-20 21:28:05,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:28:05,023 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2022-11-20 21:28:05,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (10), 6 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-20 21:28:05,024 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2022-11-20 21:28:05,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 21:28:05,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:28:05,025 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:28:05,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-20 21:28:05,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:28:05,231 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 21:28:05,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:28:05,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1042493526, now seen corresponding path program 1 times [2022-11-20 21:28:05,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:28:05,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097963468] [2022-11-20 21:28:05,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:28:05,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:28:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:28:05,354 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 21:28:05,355 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:28:05,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097963468] [2022-11-20 21:28:05,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097963468] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:28:05,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:28:05,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:28:05,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232283032] [2022-11-20 21:28:05,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:28:05,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:28:05,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:28:05,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:28:05,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:28:05,358 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-20 21:28:05,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:28:05,421 INFO L93 Difference]: Finished difference Result 84 states and 108 transitions. [2022-11-20 21:28:05,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 21:28:05,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 33 [2022-11-20 21:28:05,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:28:05,423 INFO L225 Difference]: With dead ends: 84 [2022-11-20 21:28:05,423 INFO L226 Difference]: Without dead ends: 83 [2022-11-20 21:28:05,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:28:05,424 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:28:05,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 164 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:28:05,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-20 21:28:05,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2022-11-20 21:28:05,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 47 states have (on average 1.2553191489361701) internal successors, (59), 56 states have internal predecessors, (59), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-20 21:28:05,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2022-11-20 21:28:05,451 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 33 [2022-11-20 21:28:05,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:28:05,452 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2022-11-20 21:28:05,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-20 21:28:05,452 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2022-11-20 21:28:05,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 21:28:05,453 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:28:05,453 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:28:05,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 21:28:05,454 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 21:28:05,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:28:05,454 INFO L85 PathProgramCache]: Analyzing trace with hash -709762138, now seen corresponding path program 1 times [2022-11-20 21:28:05,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:28:05,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647132041] [2022-11-20 21:28:05,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:28:05,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:28:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:28:05,520 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 21:28:05,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:28:05,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647132041] [2022-11-20 21:28:05,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647132041] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:28:05,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302488752] [2022-11-20 21:28:05,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:28:05,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:28:05,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:28:05,522 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:28:05,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 21:28:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:28:05,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 21:28:05,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:28:05,672 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 21:28:05,672 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:28:05,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302488752] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:28:05,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 21:28:05,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-20 21:28:05,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529827463] [2022-11-20 21:28:05,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:28:05,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:28:05,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:28:05,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:28:05,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:28:05,674 INFO L87 Difference]: Start difference. First operand 80 states and 103 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 21:28:05,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:28:05,732 INFO L93 Difference]: Finished difference Result 105 states and 139 transitions. [2022-11-20 21:28:05,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:28:05,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 42 [2022-11-20 21:28:05,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:28:05,737 INFO L225 Difference]: With dead ends: 105 [2022-11-20 21:28:05,737 INFO L226 Difference]: Without dead ends: 104 [2022-11-20 21:28:05,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:28:05,738 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 11 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:28:05,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 116 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:28:05,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-20 21:28:05,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 88. [2022-11-20 21:28:05,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 53 states have (on average 1.2641509433962264) internal successors, (67), 60 states have internal predecessors, (67), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-20 21:28:05,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 115 transitions. [2022-11-20 21:28:05,768 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 115 transitions. Word has length 42 [2022-11-20 21:28:05,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:28:05,769 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 115 transitions. [2022-11-20 21:28:05,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 21:28:05,769 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 115 transitions. [2022-11-20 21:28:05,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 21:28:05,770 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:28:05,770 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:28:05,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 21:28:05,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:28:05,977 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 21:28:05,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:28:05,977 INFO L85 PathProgramCache]: Analyzing trace with hash -527789672, now seen corresponding path program 1 times [2022-11-20 21:28:05,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:28:05,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293023398] [2022-11-20 21:28:05,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:28:05,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:28:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:28:06,068 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 21:28:06,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:28:06,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293023398] [2022-11-20 21:28:06,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293023398] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:28:06,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249331896] [2022-11-20 21:28:06,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:28:06,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:28:06,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:28:06,071 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:28:06,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 21:28:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:28:06,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 21:28:06,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:28:06,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 21:28:06,221 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:28:06,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249331896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:28:06,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 21:28:06,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-20 21:28:06,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737567934] [2022-11-20 21:28:06,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:28:06,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:28:06,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:28:06,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:28:06,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:28:06,224 INFO L87 Difference]: Start difference. First operand 88 states and 115 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 21:28:06,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:28:06,267 INFO L93 Difference]: Finished difference Result 88 states and 115 transitions. [2022-11-20 21:28:06,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:28:06,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 43 [2022-11-20 21:28:06,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:28:06,268 INFO L225 Difference]: With dead ends: 88 [2022-11-20 21:28:06,268 INFO L226 Difference]: Without dead ends: 87 [2022-11-20 21:28:06,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:28:06,269 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 12 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:28:06,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 94 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:28:06,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-11-20 21:28:06,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2022-11-20 21:28:06,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 59 states have internal predecessors, (65), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-20 21:28:06,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 113 transitions. [2022-11-20 21:28:06,295 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 113 transitions. Word has length 43 [2022-11-20 21:28:06,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:28:06,296 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 113 transitions. [2022-11-20 21:28:06,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 21:28:06,297 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2022-11-20 21:28:06,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 21:28:06,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:28:06,298 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:28:06,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 21:28:06,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:28:06,504 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 21:28:06,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:28:06,505 INFO L85 PathProgramCache]: Analyzing trace with hash 814889462, now seen corresponding path program 1 times [2022-11-20 21:28:06,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:28:06,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011271992] [2022-11-20 21:28:06,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:28:06,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:28:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:28:06,573 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 21:28:06,574 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:28:06,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011271992] [2022-11-20 21:28:06,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011271992] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:28:06,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266769913] [2022-11-20 21:28:06,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:28:06,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:28:06,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:28:06,576 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:28:06,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 21:28:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:28:06,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 21:28:06,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:28:06,746 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 21:28:06,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:28:06,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266769913] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:28:06,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 21:28:06,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-20 21:28:06,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356898659] [2022-11-20 21:28:06,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:28:06,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:28:06,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:28:06,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:28:06,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:28:06,749 INFO L87 Difference]: Start difference. First operand 87 states and 113 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 21:28:06,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:28:06,792 INFO L93 Difference]: Finished difference Result 87 states and 113 transitions. [2022-11-20 21:28:06,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:28:06,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 45 [2022-11-20 21:28:06,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:28:06,794 INFO L225 Difference]: With dead ends: 87 [2022-11-20 21:28:06,794 INFO L226 Difference]: Without dead ends: 86 [2022-11-20 21:28:06,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:28:06,795 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 10 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:28:06,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 94 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:28:06,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-20 21:28:06,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 78. [2022-11-20 21:28:06,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 54 states have internal predecessors, (55), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-20 21:28:06,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 99 transitions. [2022-11-20 21:28:06,818 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 99 transitions. Word has length 45 [2022-11-20 21:28:06,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:28:06,818 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 99 transitions. [2022-11-20 21:28:06,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 21:28:06,819 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2022-11-20 21:28:06,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-20 21:28:06,820 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:28:06,820 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:28:06,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-20 21:28:07,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:28:07,027 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 21:28:07,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:28:07,027 INFO L85 PathProgramCache]: Analyzing trace with hash -333887745, now seen corresponding path program 1 times [2022-11-20 21:28:07,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:28:07,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578544211] [2022-11-20 21:28:07,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:28:07,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:28:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:28:07,101 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 21:28:07,102 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:28:07,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578544211] [2022-11-20 21:28:07,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578544211] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:28:07,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99301909] [2022-11-20 21:28:07,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:28:07,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:28:07,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:28:07,103 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:28:07,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 21:28:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:28:07,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 21:28:07,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:28:07,264 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 21:28:07,264 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:28:07,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99301909] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:28:07,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 21:28:07,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-20 21:28:07,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746041364] [2022-11-20 21:28:07,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:28:07,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:28:07,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:28:07,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:28:07,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 21:28:07,266 INFO L87 Difference]: Start difference. First operand 78 states and 99 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 21:28:07,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:28:07,320 INFO L93 Difference]: Finished difference Result 96 states and 112 transitions. [2022-11-20 21:28:07,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 21:28:07,320 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2022-11-20 21:28:07,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:28:07,321 INFO L225 Difference]: With dead ends: 96 [2022-11-20 21:28:07,321 INFO L226 Difference]: Without dead ends: 65 [2022-11-20 21:28:07,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 21:28:07,322 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:28:07,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:28:07,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-20 21:28:07,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 59. [2022-11-20 21:28:07,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 40 states have internal predecessors, (40), 15 states have call successors, (15), 7 states have call predecessors, (15), 7 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-20 21:28:07,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 70 transitions. [2022-11-20 21:28:07,339 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 70 transitions. Word has length 52 [2022-11-20 21:28:07,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:28:07,339 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 70 transitions. [2022-11-20 21:28:07,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 21:28:07,340 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 70 transitions. [2022-11-20 21:28:07,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 21:28:07,341 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:28:07,341 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:28:07,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 21:28:07,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 21:28:07,551 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 21:28:07,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:28:07,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1905314172, now seen corresponding path program 1 times [2022-11-20 21:28:07,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:28:07,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767878116] [2022-11-20 21:28:07,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:28:07,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:28:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:28:07,619 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 21:28:07,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:28:07,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767878116] [2022-11-20 21:28:07,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767878116] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:28:07,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299582998] [2022-11-20 21:28:07,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:28:07,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:28:07,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:28:07,621 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:28:07,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 21:28:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:28:07,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 21:28:07,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:28:07,779 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-20 21:28:07,779 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:28:07,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299582998] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:28:07,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 21:28:07,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-20 21:28:07,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809974548] [2022-11-20 21:28:07,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:28:07,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:28:07,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:28:07,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:28:07,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 21:28:07,781 INFO L87 Difference]: Start difference. First operand 59 states and 70 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 21:28:07,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:28:07,831 INFO L93 Difference]: Finished difference Result 71 states and 82 transitions. [2022-11-20 21:28:07,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 21:28:07,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 54 [2022-11-20 21:28:07,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:28:07,832 INFO L225 Difference]: With dead ends: 71 [2022-11-20 21:28:07,833 INFO L226 Difference]: Without dead ends: 59 [2022-11-20 21:28:07,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 21:28:07,834 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:28:07,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:28:07,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-20 21:28:07,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-20 21:28:07,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 39 states have internal predecessors, (39), 15 states have call successors, (15), 7 states have call predecessors, (15), 7 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-20 21:28:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 69 transitions. [2022-11-20 21:28:07,849 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 69 transitions. Word has length 54 [2022-11-20 21:28:07,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:28:07,850 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 69 transitions. [2022-11-20 21:28:07,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 21:28:07,850 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2022-11-20 21:28:07,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-20 21:28:07,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:28:07,851 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:28:07,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 21:28:08,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-20 21:28:08,057 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 21:28:08,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:28:08,058 INFO L85 PathProgramCache]: Analyzing trace with hash -839620571, now seen corresponding path program 1 times [2022-11-20 21:28:08,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:28:08,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635682749] [2022-11-20 21:28:08,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:28:08,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:28:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:28:08,156 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 21:28:08,156 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:28:08,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635682749] [2022-11-20 21:28:08,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635682749] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:28:08,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999150612] [2022-11-20 21:28:08,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:28:08,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:28:08,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:28:08,158 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:28:08,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 21:28:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:28:08,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:28:08,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:28:08,334 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 21:28:08,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:28:08,413 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 21:28:08,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999150612] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:28:08,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1157385589] [2022-11-20 21:28:08,416 INFO L159 IcfgInterpreter]: Started Sifa with 44 locations of interest [2022-11-20 21:28:08,417 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:28:08,417 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:28:08,417 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:28:08,418 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:28:08,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:08,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:08,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-20 21:28:08,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:08,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:08,605 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-20 21:28:08,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 86 [2022-11-20 21:28:08,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:08,725 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-20 21:28:08,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-20 21:28:08,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:08,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:08,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-20 21:28:08,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:09,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:09,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:09,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:09,353 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-11-20 21:28:09,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-11-20 21:28:09,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:09,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:09,407 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-20 21:28:09,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 16 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2022-11-20 21:28:09,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:09,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:09,442 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 21:28:09,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-20 21:28:09,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:09,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:09,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:09,859 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-11-20 21:28:09,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 457 treesize of output 455 [2022-11-20 21:28:10,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:12,369 INFO L321 Elim1Store]: treesize reduction 250, result has 18.8 percent of original size [2022-11-20 21:28:12,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 26 case distinctions, treesize of input 472 treesize of output 490 [2022-11-20 21:28:18,401 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 124 for LOIs [2022-11-20 21:28:18,448 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 163 for LOIs [2022-11-20 21:28:18,535 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsFalse with input of size 28 for LOIs [2022-11-20 21:28:18,538 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 64 for LOIs [2022-11-20 21:28:18,547 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:28:40,109 WARN L233 SmtUtils]: Spent 12.95s on a formula simplification. DAG size of input: 182 DAG size of output: 124 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 21:28:46,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1157385589] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:28:46,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:28:46,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [4, 4, 4] total 38 [2022-11-20 21:28:46,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786400562] [2022-11-20 21:28:46,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:28:46,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-20 21:28:46,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:28:46,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-20 21:28:46,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1311, Unknown=0, NotChecked=0, Total=1482 [2022-11-20 21:28:46,332 INFO L87 Difference]: Start difference. First operand 59 states and 69 transitions. Second operand has 31 states, 20 states have (on average 1.35) internal successors, (27), 24 states have internal predecessors, (27), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 21:28:46,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:28:46,714 INFO L93 Difference]: Finished difference Result 97 states and 111 transitions. [2022-11-20 21:28:46,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-20 21:28:46,715 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 20 states have (on average 1.35) internal successors, (27), 24 states have internal predecessors, (27), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 59 [2022-11-20 21:28:46,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:28:46,718 INFO L225 Difference]: With dead ends: 97 [2022-11-20 21:28:46,718 INFO L226 Difference]: Without dead ends: 96 [2022-11-20 21:28:46,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 132 SyntacticMatches, 10 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 27.8s TimeCoverageRelationStatistics Valid=171, Invalid=1311, Unknown=0, NotChecked=0, Total=1482 [2022-11-20 21:28:46,720 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 32 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 370 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 21:28:46,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 232 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 172 Invalid, 0 Unknown, 370 Unchecked, 0.3s Time] [2022-11-20 21:28:46,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-20 21:28:46,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2022-11-20 21:28:46,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 57 states have (on average 1.105263157894737) internal successors, (63), 60 states have internal predecessors, (63), 23 states have call successors, (23), 12 states have call predecessors, (23), 12 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2022-11-20 21:28:46,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 109 transitions. [2022-11-20 21:28:46,749 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 109 transitions. Word has length 59 [2022-11-20 21:28:46,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:28:46,750 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 109 transitions. [2022-11-20 21:28:46,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 20 states have (on average 1.35) internal successors, (27), 24 states have internal predecessors, (27), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 21:28:46,750 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 109 transitions. [2022-11-20 21:28:46,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 21:28:46,752 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:28:46,752 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:28:46,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-20 21:28:46,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-20 21:28:46,959 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 21:28:46,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:28:46,959 INFO L85 PathProgramCache]: Analyzing trace with hash -258433777, now seen corresponding path program 1 times [2022-11-20 21:28:46,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:28:46,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762041389] [2022-11-20 21:28:46,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:28:46,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:28:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:28:47,060 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 21:28:47,060 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:28:47,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762041389] [2022-11-20 21:28:47,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762041389] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:28:47,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208856853] [2022-11-20 21:28:47,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:28:47,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:28:47,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:28:47,062 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:28:47,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 21:28:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:28:47,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:28:47,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:28:47,236 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 21:28:47,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:28:47,318 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 21:28:47,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208856853] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:28:47,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [610771158] [2022-11-20 21:28:47,322 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-11-20 21:28:47,322 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:28:47,322 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:28:47,323 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:28:47,323 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:28:47,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:47,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-20 21:28:47,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:47,479 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-20 21:28:47,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 86 [2022-11-20 21:28:47,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:47,600 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-20 21:28:47,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-20 21:28:47,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:47,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:47,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:47,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-20 21:28:47,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:47,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:47,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:48,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:48,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:48,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:48,042 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-20 21:28:48,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2022-11-20 21:28:48,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:48,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:48,200 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-11-20 21:28:48,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-11-20 21:28:48,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:48,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:28:48,250 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 21:28:48,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-20 21:28:48,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:48,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:28:48,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:28:48,628 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-11-20 21:28:48,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 457 treesize of output 455 [2022-11-20 21:28:50,819 INFO L321 Elim1Store]: treesize reduction 250, result has 18.8 percent of original size [2022-11-20 21:28:50,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 26 case distinctions, treesize of input 472 treesize of output 490 [2022-11-20 21:28:56,771 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 124 for LOIs [2022-11-20 21:28:56,829 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 163 for LOIs [2022-11-20 21:28:56,925 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsFalse with input of size 28 for LOIs [2022-11-20 21:28:56,926 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 64 for LOIs [2022-11-20 21:28:56,935 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:29:13,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [610771158] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:29:13,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:29:13,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [4, 4, 4] total 38 [2022-11-20 21:29:13,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439453191] [2022-11-20 21:29:13,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:29:13,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-20 21:29:13,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:29:13,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-20 21:29:13,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=1309, Unknown=0, NotChecked=0, Total=1482 [2022-11-20 21:29:13,988 INFO L87 Difference]: Start difference. First operand 94 states and 109 transitions. Second operand has 31 states, 20 states have (on average 1.4) internal successors, (28), 24 states have internal predecessors, (28), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 21:29:14,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:29:14,901 INFO L93 Difference]: Finished difference Result 121 states and 138 transitions. [2022-11-20 21:29:14,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-20 21:29:14,902 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 20 states have (on average 1.4) internal successors, (28), 24 states have internal predecessors, (28), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 60 [2022-11-20 21:29:14,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:29:14,903 INFO L225 Difference]: With dead ends: 121 [2022-11-20 21:29:14,903 INFO L226 Difference]: Without dead ends: 104 [2022-11-20 21:29:14,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 136 SyntacticMatches, 9 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=173, Invalid=1309, Unknown=0, NotChecked=0, Total=1482 [2022-11-20 21:29:14,904 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 48 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 577 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 21:29:14,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 336 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 456 Invalid, 0 Unknown, 577 Unchecked, 0.9s Time] [2022-11-20 21:29:14,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-20 21:29:14,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-11-20 21:29:14,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 63 states have (on average 1.0952380952380953) internal successors, (69), 65 states have internal predecessors, (69), 24 states have call successors, (24), 15 states have call predecessors, (24), 15 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-20 21:29:14,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 117 transitions. [2022-11-20 21:29:14,929 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 117 transitions. Word has length 60 [2022-11-20 21:29:14,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:29:14,930 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 117 transitions. [2022-11-20 21:29:14,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 20 states have (on average 1.4) internal successors, (28), 24 states have internal predecessors, (28), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 21:29:14,930 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2022-11-20 21:29:14,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 21:29:14,931 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:29:14,931 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:29:14,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-20 21:29:15,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-20 21:29:15,137 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 21:29:15,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:29:15,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1686652421, now seen corresponding path program 1 times [2022-11-20 21:29:15,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:29:15,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030680598] [2022-11-20 21:29:15,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:29:15,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:29:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:29:15,224 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-20 21:29:15,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:29:15,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030680598] [2022-11-20 21:29:15,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030680598] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:29:15,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717565778] [2022-11-20 21:29:15,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:29:15,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:29:15,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:29:15,226 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:29:15,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-20 21:29:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:29:15,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:29:15,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:29:15,426 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-20 21:29:15,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:29:15,497 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-20 21:29:15,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717565778] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:29:15,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1337409478] [2022-11-20 21:29:15,505 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2022-11-20 21:29:15,506 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:29:15,506 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:29:15,506 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:29:15,507 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:29:15,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:15,674 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-20 21:29:15,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 86 [2022-11-20 21:29:15,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:15,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-20 21:29:15,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:15,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:15,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:15,834 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-20 21:29:15,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-20 21:29:15,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:15,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-20 21:29:15,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:16,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:16,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:16,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:16,341 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-20 21:29:16,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-20 21:29:16,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:16,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:16,518 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-11-20 21:29:16,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-11-20 21:29:16,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:16,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:16,566 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 21:29:16,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-20 21:29:16,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:16,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:16,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:16,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:16,942 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-11-20 21:29:16,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 448 treesize of output 450 [2022-11-20 21:29:17,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:18,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 21:29:19,048 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 124 for LOIs [2022-11-20 21:29:19,095 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 149 for LOIs [2022-11-20 21:29:19,173 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsFalse with input of size 139 for LOIs [2022-11-20 21:29:19,223 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 123 for LOIs [2022-11-20 21:29:19,288 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:29:28,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1337409478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:29:28,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:29:28,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [4, 4, 4] total 40 [2022-11-20 21:29:28,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967759966] [2022-11-20 21:29:28,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:29:28,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-20 21:29:28,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:29:28,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-20 21:29:28,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=1454, Unknown=0, NotChecked=0, Total=1640 [2022-11-20 21:29:28,904 INFO L87 Difference]: Start difference. First operand 104 states and 117 transitions. Second operand has 33 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 25 states have internal predecessors, (29), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 21:29:30,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:29:30,936 INFO L93 Difference]: Finished difference Result 156 states and 175 transitions. [2022-11-20 21:29:30,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-20 21:29:30,937 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 25 states have internal predecessors, (29), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 61 [2022-11-20 21:29:30,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:29:30,938 INFO L225 Difference]: With dead ends: 156 [2022-11-20 21:29:30,938 INFO L226 Difference]: Without dead ends: 140 [2022-11-20 21:29:30,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 142 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=207, Invalid=1685, Unknown=0, NotChecked=0, Total=1892 [2022-11-20 21:29:30,939 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 77 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 1611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1076 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 21:29:30,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 545 Invalid, 1611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 514 Invalid, 0 Unknown, 1076 Unchecked, 0.9s Time] [2022-11-20 21:29:30,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-20 21:29:30,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 79. [2022-11-20 21:29:30,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 49 states have internal predecessors, (50), 17 states have call successors, (17), 14 states have call predecessors, (17), 14 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-20 21:29:30,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2022-11-20 21:29:30,966 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 61 [2022-11-20 21:29:30,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:29:30,966 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2022-11-20 21:29:30,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 25 states have internal predecessors, (29), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 21:29:30,967 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2022-11-20 21:29:30,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-20 21:29:30,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:29:30,968 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:29:30,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-20 21:29:31,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:29:31,174 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 21:29:31,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:29:31,174 INFO L85 PathProgramCache]: Analyzing trace with hash 557504943, now seen corresponding path program 1 times [2022-11-20 21:29:31,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:29:31,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868690104] [2022-11-20 21:29:31,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:29:31,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:29:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:29:31,245 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-20 21:29:31,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:29:31,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868690104] [2022-11-20 21:29:31,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868690104] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:29:31,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:29:31,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 21:29:31,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819530440] [2022-11-20 21:29:31,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:29:31,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:29:31,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:29:31,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:29:31,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:29:31,248 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-20 21:29:31,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:29:31,301 INFO L93 Difference]: Finished difference Result 99 states and 105 transitions. [2022-11-20 21:29:31,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 21:29:31,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 62 [2022-11-20 21:29:31,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:29:31,303 INFO L225 Difference]: With dead ends: 99 [2022-11-20 21:29:31,303 INFO L226 Difference]: Without dead ends: 67 [2022-11-20 21:29:31,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:29:31,306 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:29:31,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:29:31,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-20 21:29:31,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-20 21:29:31,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 40 states have (on average 1.05) internal successors, (42), 42 states have internal predecessors, (42), 14 states have call successors, (14), 11 states have call predecessors, (14), 11 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-20 21:29:31,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2022-11-20 21:29:31,325 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 62 [2022-11-20 21:29:31,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:29:31,325 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2022-11-20 21:29:31,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-20 21:29:31,326 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2022-11-20 21:29:31,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 21:29:31,327 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:29:31,327 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:29:31,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 21:29:31,328 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 21:29:31,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:29:31,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1828494149, now seen corresponding path program 1 times [2022-11-20 21:29:31,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:29:31,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273221841] [2022-11-20 21:29:31,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:29:31,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:29:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:29:31,414 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-20 21:29:31,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:29:31,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273221841] [2022-11-20 21:29:31,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273221841] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:29:31,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518392963] [2022-11-20 21:29:31,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:29:31,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:29:31,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:29:31,416 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:29:31,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-20 21:29:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:29:31,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:29:31,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:29:31,597 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-20 21:29:31,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:29:31,659 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-20 21:29:31,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518392963] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:29:31,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [782540636] [2022-11-20 21:29:31,662 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2022-11-20 21:29:31,662 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:29:31,663 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:29:31,663 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:29:31,663 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:29:31,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:31,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:31,830 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-20 21:29:31,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 86 [2022-11-20 21:29:31,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:31,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-20 21:29:31,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:31,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:31,971 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-20 21:29:31,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-20 21:29:32,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:32,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:32,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-20 21:29:32,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:32,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:32,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:32,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:32,387 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-20 21:29:32,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2022-11-20 21:29:32,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:32,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:32,551 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-11-20 21:29:32,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-11-20 21:29:32,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:32,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:32,595 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 21:29:32,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-20 21:29:32,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:32,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:32,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:32,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:32,939 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-11-20 21:29:32,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 457 treesize of output 455 [2022-11-20 21:29:35,234 INFO L321 Elim1Store]: treesize reduction 250, result has 18.8 percent of original size [2022-11-20 21:29:35,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 26 case distinctions, treesize of input 486 treesize of output 504 [2022-11-20 21:29:41,023 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 124 for LOIs [2022-11-20 21:29:41,065 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 28 for LOIs [2022-11-20 21:29:41,067 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsFalse with input of size 28 for LOIs [2022-11-20 21:29:41,069 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 142 for LOIs [2022-11-20 21:29:41,144 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:29:57,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [782540636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:29:57,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:29:57,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [4, 4, 4] total 38 [2022-11-20 21:29:57,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255927423] [2022-11-20 21:29:57,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:29:57,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-20 21:29:57,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:29:57,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-20 21:29:57,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1310, Unknown=0, NotChecked=0, Total=1482 [2022-11-20 21:29:57,354 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand has 31 states, 20 states have (on average 1.45) internal successors, (29), 25 states have internal predecessors, (29), 12 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 21:29:57,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:29:57,925 INFO L93 Difference]: Finished difference Result 67 states and 70 transitions. [2022-11-20 21:29:57,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-20 21:29:57,925 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 20 states have (on average 1.45) internal successors, (29), 25 states have internal predecessors, (29), 12 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 61 [2022-11-20 21:29:57,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:29:57,926 INFO L225 Difference]: With dead ends: 67 [2022-11-20 21:29:57,926 INFO L226 Difference]: Without dead ends: 66 [2022-11-20 21:29:57,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 139 SyntacticMatches, 9 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 16.2s TimeCoverageRelationStatistics Valid=172, Invalid=1310, Unknown=0, NotChecked=0, Total=1482 [2022-11-20 21:29:57,927 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 18 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 317 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 21:29:57,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 70 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 306 Invalid, 0 Unknown, 317 Unchecked, 0.5s Time] [2022-11-20 21:29:57,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-20 21:29:57,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-11-20 21:29:57,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 40 states have (on average 1.025) internal successors, (41), 41 states have internal predecessors, (41), 14 states have call successors, (14), 11 states have call predecessors, (14), 11 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-20 21:29:57,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2022-11-20 21:29:57,945 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 61 [2022-11-20 21:29:57,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:29:57,945 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2022-11-20 21:29:57,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 20 states have (on average 1.45) internal successors, (29), 25 states have internal predecessors, (29), 12 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 21:29:57,945 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2022-11-20 21:29:57,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-20 21:29:57,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:29:57,946 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:29:57,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-20 21:29:58,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-20 21:29:58,149 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 21:29:58,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:29:58,150 INFO L85 PathProgramCache]: Analyzing trace with hash -848743623, now seen corresponding path program 1 times [2022-11-20 21:29:58,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:29:58,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366779376] [2022-11-20 21:29:58,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:29:58,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:29:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:29:58,233 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-20 21:29:58,233 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:29:58,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366779376] [2022-11-20 21:29:58,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366779376] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:29:58,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495122061] [2022-11-20 21:29:58,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:29:58,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:29:58,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:29:58,235 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:29:58,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-20 21:29:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:29:58,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:29:58,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:29:58,431 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-20 21:29:58,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:29:58,500 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-20 21:29:58,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495122061] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:29:58,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [68781543] [2022-11-20 21:29:58,503 INFO L159 IcfgInterpreter]: Started Sifa with 47 locations of interest [2022-11-20 21:29:58,504 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:29:58,505 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:29:58,506 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:29:58,506 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:29:58,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:58,678 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-20 21:29:58,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-20 21:29:58,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:58,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2022-11-20 21:29:58,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:58,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:58,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:58,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-20 21:29:58,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:58,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-20 21:29:58,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:58,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:59,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:59,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:59,119 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-20 21:29:59,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2022-11-20 21:29:59,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:59,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:59,269 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-11-20 21:29:59,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-11-20 21:29:59,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:59,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:29:59,320 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 21:29:59,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-20 21:29:59,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:59,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:59,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:59,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:29:59,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 21:29:59,671 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-11-20 21:29:59,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 457 treesize of output 455 [2022-11-20 21:30:01,982 INFO L321 Elim1Store]: treesize reduction 250, result has 18.8 percent of original size [2022-11-20 21:30:01,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 26 case distinctions, treesize of input 486 treesize of output 504 [2022-11-20 21:30:08,938 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 124 for LOIs [2022-11-20 21:30:08,982 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 28 for LOIs [2022-11-20 21:30:08,983 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsFalse with input of size 28 for LOIs [2022-11-20 21:30:08,985 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 142 for LOIs [2022-11-20 21:30:09,069 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:30:25,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [68781543] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:30:25,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:30:25,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [4, 4, 4] total 38 [2022-11-20 21:30:25,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596559074] [2022-11-20 21:30:25,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:30:25,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-20 21:30:25,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:30:25,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-20 21:30:25,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1308, Unknown=0, NotChecked=0, Total=1482 [2022-11-20 21:30:25,916 INFO L87 Difference]: Start difference. First operand 66 states and 69 transitions. Second operand has 31 states, 20 states have (on average 1.5) internal successors, (30), 25 states have internal predecessors, (30), 12 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 21:30:26,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:30:26,183 INFO L93 Difference]: Finished difference Result 103 states and 107 transitions. [2022-11-20 21:30:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-20 21:30:26,183 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 20 states have (on average 1.5) internal successors, (30), 25 states have internal predecessors, (30), 12 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 62 [2022-11-20 21:30:26,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:30:26,184 INFO L225 Difference]: With dead ends: 103 [2022-11-20 21:30:26,184 INFO L226 Difference]: Without dead ends: 61 [2022-11-20 21:30:26,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 135 SyntacticMatches, 16 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 16.9s TimeCoverageRelationStatistics Valid=174, Invalid=1308, Unknown=0, NotChecked=0, Total=1482 [2022-11-20 21:30:26,186 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 25 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 267 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 21:30:26,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 189 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 267 Unchecked, 0.2s Time] [2022-11-20 21:30:26,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-20 21:30:26,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-20 21:30:26,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 38 states have (on average 1.0) internal successors, (38), 38 states have internal predecessors, (38), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 21:30:26,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 62 transitions. [2022-11-20 21:30:26,205 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 62 transitions. Word has length 62 [2022-11-20 21:30:26,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:30:26,205 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 62 transitions. [2022-11-20 21:30:26,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 20 states have (on average 1.5) internal successors, (30), 25 states have internal predecessors, (30), 12 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 21:30:26,205 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2022-11-20 21:30:26,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-20 21:30:26,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:30:26,206 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:30:26,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-20 21:30:26,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-20 21:30:26,409 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 21:30:26,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:30:26,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1841722973, now seen corresponding path program 1 times [2022-11-20 21:30:26,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:30:26,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673615914] [2022-11-20 21:30:26,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:30:26,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:30:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:30:26,492 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 21:30:26,493 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:30:26,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673615914] [2022-11-20 21:30:26,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673615914] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:30:26,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150164247] [2022-11-20 21:30:26,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:30:26,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:30:26,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:30:26,495 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:30:26,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-20 21:30:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:30:26,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:30:26,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:30:26,707 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 21:30:26,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:30:26,771 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 21:30:26,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150164247] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:30:26,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1242305274] [2022-11-20 21:30:26,773 INFO L159 IcfgInterpreter]: Started Sifa with 49 locations of interest [2022-11-20 21:30:26,773 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:30:26,774 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:30:26,774 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:30:26,774 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:30:26,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:26,923 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-20 21:30:26,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 86 [2022-11-20 21:30:26,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,029 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-20 21:30:27,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-11-20 21:30:27,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:30:27,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:30:27,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-20 21:30:27,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:30:27,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:30:27,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-11-20 21:30:27,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:30:27,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:30:27,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,502 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-20 21:30:27,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-20 21:30:27,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,547 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 21:30:27,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-11-20 21:30:27,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:30:27,603 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-20 21:30:27,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 102 [2022-11-20 21:30:27,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:30:27,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 21:30:27,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 21:30:27,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 21:30:28,587 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 124 for LOIs [2022-11-20 21:30:28,640 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 28 for LOIs [2022-11-20 21:30:28,642 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsFalse with input of size 140 for LOIs [2022-11-20 21:30:28,704 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 77 for LOIs [2022-11-20 21:30:28,712 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:30:35,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1242305274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:30:35,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:30:35,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [4, 4, 4] total 40 [2022-11-20 21:30:35,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785852494] [2022-11-20 21:30:35,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:30:35,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-20 21:30:35,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:30:35,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-20 21:30:35,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=1457, Unknown=0, NotChecked=0, Total=1640 [2022-11-20 21:30:35,911 INFO L87 Difference]: Start difference. First operand 61 states and 62 transitions. Second operand has 33 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 26 states have internal predecessors, (32), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 21:30:38,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:30:38,204 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2022-11-20 21:30:38,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-20 21:30:38,205 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 26 states have internal predecessors, (32), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 64 [2022-11-20 21:30:38,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:30:38,206 INFO L225 Difference]: With dead ends: 61 [2022-11-20 21:30:38,206 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 21:30:38,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 148 SyntacticMatches, 7 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=226, Invalid=1936, Unknown=0, NotChecked=0, Total=2162 [2022-11-20 21:30:38,208 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 22 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 280 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 21:30:38,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 26 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 395 Invalid, 0 Unknown, 280 Unchecked, 0.6s Time] [2022-11-20 21:30:38,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 21:30:38,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 21:30:38,210 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 21:30:38,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 21:30:38,210 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2022-11-20 21:30:38,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:30:38,210 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 21:30:38,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 26 states have internal predecessors, (32), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 21:30:38,211 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 21:30:38,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 21:30:38,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-20 21:30:38,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-20 21:30:38,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-20 21:30:38,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-20 21:30:38,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-20 21:30:38,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-20 21:30:38,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-20 21:30:38,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-20 21:30:38,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-20 21:30:38,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-20 21:30:38,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 21:30:50,769 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-20 21:30:50,770 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 21:30:50,770 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseEXIT(lines 1552 1555) no Hoare annotation was computed. [2022-11-20 21:30:50,770 INFO L902 garLoopResultBuilder]: At program point staticReturnsFalseENTRY(lines 1552 1555) the Hoare annotation is: true [2022-11-20 21:30:50,770 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 21:30:50,770 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-20 21:30:50,770 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-11-20 21:30:50,771 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-11-20 21:30:50,771 INFO L899 garLoopResultBuilder]: For program point L1572(line 1572) no Hoare annotation was computed. [2022-11-20 21:30:50,771 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2022-11-20 21:30:50,771 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2022-11-20 21:30:50,771 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-11-20 21:30:50,771 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 21:30:50,772 INFO L899 garLoopResultBuilder]: For program point L1630-1(lines 1630 1636) no Hoare annotation was computed. [2022-11-20 21:30:50,772 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-20 21:30:50,772 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1564 1579) no Hoare annotation was computed. [2022-11-20 21:30:50,772 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1637) no Hoare annotation was computed. [2022-11-20 21:30:50,772 INFO L899 garLoopResultBuilder]: For program point L1589(line 1589) no Hoare annotation was computed. [2022-11-20 21:30:50,772 INFO L899 garLoopResultBuilder]: For program point L1589-1(lines 1589 1600) no Hoare annotation was computed. [2022-11-20 21:30:50,772 INFO L899 garLoopResultBuilder]: For program point L1589-2(lines 1589 1600) no Hoare annotation was computed. [2022-11-20 21:30:50,773 INFO L899 garLoopResultBuilder]: For program point L1614(line 1614) no Hoare annotation was computed. [2022-11-20 21:30:50,773 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 1614 1620) no Hoare annotation was computed. [2022-11-20 21:30:50,774 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: (let ((.cse0 (= 21 (select |#length| 2))) (.cse1 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse2 (= 48 (select |#length| 4))) (.cse3 (= 1 (select |#valid| 5))) (.cse4 (= |ULTIMATE.start_goodG2B1_~data~2#1| 0)) (.cse5 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse6 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse7 (= (select |#length| 6) 18)) (.cse8 (= (select (select |#memory_int| 1) 0) 0)) (.cse9 (= ~globalArgv~0.offset 0)) (.cse10 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse11 (= (select |#valid| 3) 1)) (.cse12 (= (select |#valid| 7) 1)) (.cse13 (= 21 (select |#length| 5))) (.cse15 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse16 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse17 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse18 (= 48 (select |#length| 3))) (.cse19 (= 16 (select |#length| 7))) (.cse20 (= (select |#valid| 4) 1)) (.cse21 (= (select |#valid| 1) 1)) (.cse22 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse23 (= ~globalArgv~0.base 0)) (.cse24 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse25 (= (select |#valid| 0) 0)) (.cse26 (= (select |#length| 1) 1)) (.cse27 (= (select |#valid| 2) 1)) (.cse28 (= |#NULL.offset| 0)) (.cse29 (= ~globalFalse~0 0)) (.cse30 (= ~globalArgc~0 0)) (.cse31 (= (select |#valid| 6) 1)) (.cse32 (= 5 ~globalFive~0)) (.cse33 (< 0 |#StackHeapBarrier|)) (.cse34 (= |#NULL.base| 0)) (.cse35 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| Int)) (let ((.cse14 (+ (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 0) 2147483648))) (and (not (= 6 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| 0)) (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 0) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| 4)) (<= 0 .cse14) (not (= 3 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) (<= .cse14 0) (= (select |#length| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 4) (not (= 5 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= 7 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= 2 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|))))) .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| Int)) (let ((.cse36 (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0))) (and (= .cse36 (+ |ULTIMATE.start_goodB2G2_~result~1#1| 1)) (<= 0 (+ 2147483647 .cse36)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| 0)) (<= .cse36 2147483647) (not (= 5 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0) (not (= 2 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) (not (= 7 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (not (= 6 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) (= (select |#length| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 4) (not (= 3 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| 4))))) .cse33 .cse34 .cse35))) [2022-11-20 21:30:50,775 INFO L895 garLoopResultBuilder]: At program point L1573(line 1573) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|))) (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 48 (select |#length| 4)) (= (select |#valid| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 1) (= 1 (select |#valid| 5)) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) (= (select |#length| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 4) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= 48 (select |#length| 3)) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (+ |ULTIMATE.start_goodB2G1_~result~0#1| 1) .cse0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |ULTIMATE.start_goodB2G1_~#data~0#1.offset| 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (< 0 (+ .cse0 2147483648)) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (<= .cse0 2147483647) (= ~globalTrue~0 1))) [2022-11-20 21:30:50,775 INFO L899 garLoopResultBuilder]: For program point L1606-1(line 1606) no Hoare annotation was computed. [2022-11-20 21:30:50,775 INFO L899 garLoopResultBuilder]: For program point L1606-2(lines 1606 1613) no Hoare annotation was computed. [2022-11-20 21:30:50,776 INFO L895 garLoopResultBuilder]: At program point L1606-3(lines 1606 1613) the Hoare annotation is: (let ((.cse0 (= 21 (select |#length| 2))) (.cse1 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse2 (= 48 (select |#length| 4))) (.cse3 (= 1 (select |#valid| 5))) (.cse4 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse5 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse6 (= (select |#length| 6) 18)) (.cse7 (= (select (select |#memory_int| 1) 0) 0)) (.cse8 (= ~globalArgv~0.offset 0)) (.cse9 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse10 (= (select |#valid| 3) 1)) (.cse11 (= (select |#valid| 7) 1)) (.cse12 (= 21 (select |#length| 5))) (.cse14 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse15 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse16 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse17 (= 48 (select |#length| 3))) (.cse18 (= 16 (select |#length| 7))) (.cse19 (= (select |#valid| 4) 1)) (.cse20 (= (select |#valid| 1) 1)) (.cse21 (<= 0 ~globalArgv~0.base)) (.cse22 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse23 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse24 (= (select |#valid| 0) 0)) (.cse25 (<= ~globalArgv~0.base 0)) (.cse26 (= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0)) (.cse27 (= (select |#length| 1) 1)) (.cse28 (= (select |#valid| 2) 1)) (.cse29 (= |#NULL.offset| 0)) (.cse30 (= ~globalFalse~0 0)) (.cse31 (= ~globalArgc~0 0)) (.cse32 (= (select |#valid| 6) 1)) (.cse33 (= 5 ~globalFive~0)) (.cse34 (< 0 |#StackHeapBarrier|)) (.cse35 (= |#NULL.base| 0)) (.cse36 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| Int)) (let ((.cse13 (+ (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 0) 2147483648))) (and (not (= 6 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| 0)) (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 0) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| 4)) (<= 0 .cse13) (not (= 3 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) (<= .cse13 0) (= (select |#length| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 4) (not (= 5 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= 7 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= 2 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|))))) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| Int)) (let ((.cse37 (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0))) (and (= .cse37 (+ |ULTIMATE.start_goodB2G2_~result~1#1| 1)) (<= 0 (+ 2147483647 .cse37)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| 0)) (<= .cse37 2147483647) (not (= 5 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0) (not (= 2 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) (not (= 7 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (not (= 6 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) (= (select |#length| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 4) (not (= 3 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| 4))))) .cse34 .cse35 .cse36))) [2022-11-20 21:30:50,777 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2022-11-20 21:30:50,777 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (let ((.cse0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648))) (and (= 21 (select |#length| 2)) (= |ULTIMATE.start_goodB2G2_~#data~1#1.offset| 0) (= ~GLOBAL_CONST_FALSE~0 0) (= 48 (select |#length| 4)) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (<= 0 .cse0) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (<= .cse0 0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= 48 (select |#length| 3)) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#valid| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 1) (<= 0 ~globalArgv~0.base) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (<= ~globalArgv~0.base 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 4) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1))) [2022-11-20 21:30:50,778 INFO L895 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 48 (select |#length| 4)) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= 48 (select |#length| 3)) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-20 21:30:50,778 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2022-11-20 21:30:50,778 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: false [2022-11-20 21:30:50,778 INFO L899 garLoopResultBuilder]: For program point L1591(lines 1591 1599) no Hoare annotation was computed. [2022-11-20 21:30:50,778 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: false [2022-11-20 21:30:50,779 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-11-20 21:30:50,779 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2022-11-20 21:30:50,779 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2022-11-20 21:30:50,779 INFO L899 garLoopResultBuilder]: For program point L1617(line 1617) no Hoare annotation was computed. [2022-11-20 21:30:50,779 INFO L902 garLoopResultBuilder]: At program point L1650-1(line 1650) the Hoare annotation is: true [2022-11-20 21:30:50,779 INFO L899 garLoopResultBuilder]: For program point L1617-1(line 1617) no Hoare annotation was computed. [2022-11-20 21:30:50,779 INFO L902 garLoopResultBuilder]: At program point L1634(line 1634) the Hoare annotation is: true [2022-11-20 21:30:50,780 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1617) no Hoare annotation was computed. [2022-11-20 21:30:50,780 INFO L895 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: (let ((.cse0 (= 21 (select |#length| 2))) (.cse1 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse2 (= 48 (select |#length| 4))) (.cse3 (= 1 (select |#valid| 5))) (.cse4 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse5 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse6 (= (select |#length| 6) 18)) (.cse7 (= (select (select |#memory_int| 1) 0) 0)) (.cse8 (= ~globalArgv~0.offset 0)) (.cse9 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse10 (= (select |#valid| 3) 1)) (.cse11 (= (select |#valid| 7) 1)) (.cse12 (= 21 (select |#length| 5))) (.cse13 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse14 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse15 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse16 (= 48 (select |#length| 3))) (.cse17 (= 16 (select |#length| 7))) (.cse18 (= |ULTIMATE.start_goodG2B2_~data~3#1| 0)) (.cse19 (= (select |#valid| 4) 1)) (.cse20 (= (select |#valid| 1) 1)) (.cse21 (<= 0 ~globalArgv~0.base)) (.cse22 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse23 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse24 (= (select |#valid| 0) 0)) (.cse25 (<= ~globalArgv~0.base 0)) (.cse27 (= (select |#length| 1) 1)) (.cse28 (= (select |#valid| 2) 1)) (.cse29 (= |#NULL.offset| 0)) (.cse30 (= ~globalFalse~0 0)) (.cse31 (= ~globalArgc~0 0)) (.cse32 (= (select |#valid| 6) 1)) (.cse33 (= 5 ~globalFive~0)) (.cse26 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|)) (.cse35 (< 0 |#StackHeapBarrier|)) (.cse36 (= |#NULL.base| 0)) (.cse37 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (= .cse26 0) .cse27 .cse28 .cse29 .cse30 (= |ULTIMATE.start_goodG2B1_~data~2#1| (+ |ULTIMATE.start_goodG2B1_~result~2#1| 1)) .cse31 .cse32 .cse33 (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| Int)) (let ((.cse34 (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0))) (and (= .cse34 (+ |ULTIMATE.start_goodB2G2_~result~1#1| 1)) (<= 0 (+ 2147483647 .cse34)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| 0)) (<= .cse34 2147483647) (not (= 5 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0) (not (= 2 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) (not (= 7 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (not (= 6 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) (= (select |#length| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 4) (not (= 3 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| 4))))) .cse35 .cse36 .cse37) (let ((.cse38 (+ |ULTIMATE.start_goodG2B1_~result~2#1| 3))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= .cse38 0) .cse9 .cse10 .cse11 .cse12 (<= 0 .cse38) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| Int)) (let ((.cse39 (+ (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 0) 2147483648))) (and (not (= 6 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| 0)) (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 0) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| 4)) (<= 0 .cse39) (not (= 3 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) (<= .cse39 0) (= (select |#length| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 4) (not (= 5 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= 7 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= 2 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|))))) .cse13 .cse14 .cse15 .cse16 (<= .cse26 0) .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 (<= 0 .cse26) .cse35 .cse36 .cse37)))) [2022-11-20 21:30:50,781 INFO L899 garLoopResultBuilder]: For program point L1593(line 1593) no Hoare annotation was computed. [2022-11-20 21:30:50,781 INFO L899 garLoopResultBuilder]: For program point L1626-1(line 1626) no Hoare annotation was computed. [2022-11-20 21:30:50,781 INFO L895 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 48 (select |#length| 4)) (= (select |#valid| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 1) (= 1 (select |#valid| 5)) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) (= (select |#length| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 4) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= 48 (select |#length| 3)) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |ULTIMATE.start_goodB2G1_~#data~0#1.offset| 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-20 21:30:50,782 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2022-11-20 21:30:50,782 INFO L899 garLoopResultBuilder]: For program point L1560-1(line 1560) no Hoare annotation was computed. [2022-11-20 21:30:50,782 INFO L895 garLoopResultBuilder]: At program point L1626-4(lines 1626 1629) the Hoare annotation is: (let ((.cse0 (= 21 (select |#length| 2))) (.cse1 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse2 (= 48 (select |#length| 4))) (.cse3 (= 1 (select |#valid| 5))) (.cse4 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse5 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse6 (= (select |#length| 6) 18)) (.cse7 (= (select (select |#memory_int| 1) 0) 0)) (.cse8 (= ~globalArgv~0.offset 0)) (.cse9 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse10 (= (select |#valid| 3) 1)) (.cse11 (= (select |#valid| 7) 1)) (.cse12 (= 21 (select |#length| 5))) (.cse13 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse14 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse15 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse16 (= (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2) 0)) (.cse17 (= 48 (select |#length| 3))) (.cse18 (= 16 (select |#length| 7))) (.cse19 (= (select |#valid| 4) 1)) (.cse20 (= (select |#valid| 1) 1)) (.cse21 (<= 0 ~globalArgv~0.base)) (.cse22 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse23 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse24 (= (select |#valid| 0) 0)) (.cse25 (<= ~globalArgv~0.base 0)) (.cse27 (= (select |#length| 1) 1)) (.cse28 (= (select |#valid| 2) 1)) (.cse29 (= |#NULL.offset| 0)) (.cse30 (= ~globalFalse~0 0)) (.cse31 (= ~globalArgc~0 0)) (.cse32 (= (select |#valid| 6) 1)) (.cse33 (= 5 ~globalFive~0)) (.cse26 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|)) (.cse35 (< 0 |#StackHeapBarrier|)) (.cse36 (= |#NULL.base| 0)) (.cse37 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (= .cse26 0) .cse27 .cse28 .cse29 .cse30 (= |ULTIMATE.start_goodG2B1_~data~2#1| (+ |ULTIMATE.start_goodG2B1_~result~2#1| 1)) .cse31 .cse32 .cse33 (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| Int)) (let ((.cse34 (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0))) (and (= .cse34 (+ |ULTIMATE.start_goodB2G2_~result~1#1| 1)) (<= 0 (+ 2147483647 .cse34)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| 0)) (<= .cse34 2147483647) (not (= 5 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0) (not (= 2 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) (not (= 7 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (not (= 6 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) (= (select |#length| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 4) (not (= 3 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| 4))))) .cse35 .cse36 .cse37) (let ((.cse38 (+ |ULTIMATE.start_goodG2B1_~result~2#1| 3))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= .cse38 0) .cse9 .cse10 .cse11 .cse12 (<= 0 .cse38) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| Int)) (let ((.cse39 (+ (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 0) 2147483648))) (and (not (= 6 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| 0)) (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 0) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| 4)) (<= 0 .cse39) (not (= 3 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) (<= .cse39 0) (= (select |#length| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 4) (not (= 5 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= 7 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= 2 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|))))) .cse13 .cse14 .cse15 .cse16 .cse17 (<= .cse26 0) .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 (<= 0 .cse26) .cse35 .cse36 .cse37)))) [2022-11-20 21:30:50,783 INFO L895 garLoopResultBuilder]: At program point L1560-4(lines 1560 1563) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|))) (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 48 (select |#length| 4)) (= (select |#valid| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 1) (= 1 (select |#valid| 5)) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) (= (select |#length| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 4) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (<= 0 (+ .cse0 2147483648)) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= 48 (select |#length| 3)) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |ULTIMATE.start_goodB2G1_~#data~0#1.offset| 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (<= .cse0 2147483647) (= ~globalTrue~0 1))) [2022-11-20 21:30:50,784 INFO L895 garLoopResultBuilder]: At program point L1618(line 1618) the Hoare annotation is: (let ((.cse0 (= 21 (select |#length| 2))) (.cse1 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse2 (= 48 (select |#length| 4))) (.cse3 (= 1 (select |#valid| 5))) (.cse4 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse5 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse6 (= (select |#length| 6) 18)) (.cse7 (= (select (select |#memory_int| 1) 0) 0)) (.cse8 (= ~globalArgv~0.offset 0)) (.cse9 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse10 (= (select |#valid| 3) 1)) (.cse11 (= (select |#valid| 7) 1)) (.cse12 (= 21 (select |#length| 5))) (.cse14 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse15 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse16 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse17 (= 48 (select |#length| 3))) (.cse18 (= 16 (select |#length| 7))) (.cse19 (= (select |#valid| 4) 1)) (.cse20 (= (select |#valid| 1) 1)) (.cse21 (<= 0 ~globalArgv~0.base)) (.cse22 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse23 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse24 (= (select |#valid| 0) 0)) (.cse25 (<= ~globalArgv~0.base 0)) (.cse27 (= (select |#length| 1) 1)) (.cse28 (= (select |#valid| 2) 1)) (.cse29 (= |#NULL.offset| 0)) (.cse30 (= ~globalFalse~0 0)) (.cse31 (= |ULTIMATE.start_goodG2B1_~data~2#1| (+ |ULTIMATE.start_goodG2B1_~result~2#1| 1))) (.cse32 (= ~globalArgc~0 0)) (.cse33 (= (select |#valid| 6) 1)) (.cse34 (= 5 ~globalFive~0)) (.cse26 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|)) (.cse35 (< 0 |#StackHeapBarrier|)) (.cse36 (= |#NULL.base| 0)) (.cse37 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| Int)) (let ((.cse13 (+ (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 0) 2147483648))) (and (not (= 6 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| 0)) (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 0) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16| 4)) (<= 0 .cse13) (not (= 3 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) (<= .cse13 0) (= (select |#length| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|) 4) (not (= 5 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= 7 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|)) (not (= 2 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_16|))))) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (= .cse26 0) .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse14 .cse15 .cse16 .cse17 (<= .cse26 0) .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| Int)) (let ((.cse38 (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0))) (and (= .cse38 (+ |ULTIMATE.start_goodB2G2_~result~1#1| 1)) (<= 0 (+ 2147483647 .cse38)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| 0)) (<= .cse38 2147483647) (not (= 5 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0) (not (= 2 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) (not (= 7 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (not (= 6 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) (= (select |#length| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 4) (not (= 3 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|)) (not (= |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| 4))))) (<= 0 .cse26) .cse35 .cse36 .cse37))) [2022-11-20 21:30:50,784 INFO L895 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= |ULTIMATE.start_goodB2G2_~#data~1#1.offset| 0) (= ~GLOBAL_CONST_FALSE~0 0) (= 48 (select |#length| 4)) (= 1 (select |#valid| 5)) (= (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= 48 (select |#length| 3)) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#valid| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 1) (<= 0 ~globalArgv~0.base) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (<= ~globalArgv~0.base 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 4) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-20 21:30:50,784 INFO L899 garLoopResultBuilder]: For program point L1585-1(line 1585) no Hoare annotation was computed. [2022-11-20 21:30:50,785 INFO L895 garLoopResultBuilder]: At program point L1585-4(lines 1585 1588) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|))) (and (= 21 (select |#length| 2)) (= |ULTIMATE.start_goodB2G2_~#data~1#1.offset| 0) (= ~GLOBAL_CONST_FALSE~0 0) (= 48 (select |#length| 4)) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (<= 0 (+ .cse0 2147483648)) (= (select |#length| 6) 18) (<= .cse0 2147483647) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= 48 (select |#length| 3)) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#valid| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 4) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1))) [2022-11-20 21:30:50,785 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (let ((.cse0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648))) (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 48 (select |#length| 4)) (= (select |#valid| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 1) (= 1 (select |#valid| 5)) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) (= (select |#length| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 4) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (<= 0 .cse0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= 48 (select |#length| 3)) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |ULTIMATE.start_goodB2G1_~#data~0#1.offset| 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (<= .cse0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1))) [2022-11-20 21:30:50,786 INFO L899 garLoopResultBuilder]: For program point L1577-1(lines 1564 1579) no Hoare annotation was computed. [2022-11-20 21:30:50,786 INFO L899 garLoopResultBuilder]: For program point L1602(lines 1602 1621) no Hoare annotation was computed. [2022-11-20 21:30:50,786 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 21:30:50,786 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1617) no Hoare annotation was computed. [2022-11-20 21:30:50,787 INFO L895 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|))) (and (= 21 (select |#length| 2)) (= |ULTIMATE.start_goodB2G2_~#data~1#1.offset| 0) (= ~GLOBAL_CONST_FALSE~0 0) (= 48 (select |#length| 4)) (= 1 (select |#valid| 5)) (= .cse0 (+ |ULTIMATE.start_goodB2G2_~result~1#1| 1)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (<= .cse0 2147483647) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= 48 (select |#length| 3)) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#valid| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 1) (<= 0 ~globalArgv~0.base) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (<= 0 (+ |ULTIMATE.start_goodB2G2_~result~1#1| 2147483648)) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (<= ~globalArgv~0.base 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 4) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1))) [2022-11-20 21:30:50,787 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1578) no Hoare annotation was computed. [2022-11-20 21:30:50,787 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-11-20 21:30:50,787 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-11-20 21:30:50,787 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueEXIT(lines 1548 1551) no Hoare annotation was computed. [2022-11-20 21:30:50,788 INFO L902 garLoopResultBuilder]: At program point staticReturnsTrueENTRY(lines 1548 1551) the Hoare annotation is: true [2022-11-20 21:30:50,791 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:30:50,793 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 21:30:50,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:30:50 BoogieIcfgContainer [2022-11-20 21:30:50,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 21:30:50,805 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 21:30:50,805 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 21:30:50,805 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 21:30:50,806 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:36" (3/4) ... [2022-11-20 21:30:50,809 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 21:30:50,815 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 21:30:50,815 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2022-11-20 21:30:50,815 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 21:30:50,816 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2022-11-20 21:30:50,825 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-11-20 21:30:50,825 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-20 21:30:50,826 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 21:30:50,826 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 21:30:50,884 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 21:30:50,885 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 21:30:50,886 INFO L158 Benchmark]: Toolchain (without parser) took 196296.29ms. Allocated memory was 182.5MB in the beginning and 574.6MB in the end (delta: 392.2MB). Free memory was 133.9MB in the beginning and 318.6MB in the end (delta: -184.8MB). Peak memory consumption was 207.9MB. Max. memory is 16.1GB. [2022-11-20 21:30:50,886 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 138.4MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:30:50,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1352.66ms. Allocated memory is still 182.5MB. Free memory was 133.4MB in the beginning and 122.7MB in the end (delta: 10.7MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2022-11-20 21:30:50,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.68ms. Allocated memory is still 182.5MB. Free memory was 121.6MB in the beginning and 118.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:30:50,889 INFO L158 Benchmark]: Boogie Preprocessor took 28.34ms. Allocated memory is still 182.5MB. Free memory was 118.5MB in the beginning and 117.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:30:50,890 INFO L158 Benchmark]: RCFGBuilder took 597.73ms. Allocated memory is still 182.5MB. Free memory was 117.4MB in the beginning and 96.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 21:30:50,891 INFO L158 Benchmark]: TraceAbstraction took 194176.07ms. Allocated memory was 182.5MB in the beginning and 574.6MB in the end (delta: 392.2MB). Free memory was 95.4MB in the beginning and 322.8MB in the end (delta: -227.4MB). Peak memory consumption was 309.6MB. Max. memory is 16.1GB. [2022-11-20 21:30:50,896 INFO L158 Benchmark]: Witness Printer took 80.33ms. Allocated memory is still 574.6MB. Free memory was 322.8MB in the beginning and 318.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 21:30:50,898 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 138.4MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1352.66ms. Allocated memory is still 182.5MB. Free memory was 133.4MB in the beginning and 122.7MB in the end (delta: 10.7MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.68ms. Allocated memory is still 182.5MB. Free memory was 121.6MB in the beginning and 118.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.34ms. Allocated memory is still 182.5MB. Free memory was 118.5MB in the beginning and 117.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 597.73ms. Allocated memory is still 182.5MB. Free memory was 117.4MB in the beginning and 96.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 194176.07ms. Allocated memory was 182.5MB in the beginning and 574.6MB in the end (delta: 392.2MB). Free memory was 95.4MB in the beginning and 322.8MB in the end (delta: -227.4MB). Peak memory consumption was 309.6MB. Max. memory is 16.1GB. * Witness Printer took 80.33ms. Allocated memory is still 574.6MB. Free memory was 322.8MB in the beginning and 318.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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 5 procedures, 65 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 194.1s, OverallIterations: 18, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 477 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 401 mSDsluCounter, 3646 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 3080 IncrementalHoareTripleChecker+Unchecked, 2700 mSDsCounter, 106 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2807 IncrementalHoareTripleChecker+Invalid, 5993 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 106 mSolverCounterUnsat, 946 mSDtfsCounter, 2807 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1592 GetRequests, 1196 SyntacticMatches, 62 SemanticMatches, 334 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4882 ImplicationChecksByTransitivity, 112.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=13, InterpolantAutomatonStates: 262, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 18 MinimizatonAttempts, 127 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 82 PreInvPairs, 108 NumberOfFragments, 3698 HoareAnnotationTreeSize, 82 FomulaSimplifications, 1881 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 23 FomulaSimplificationsInter, 37402 FormulaSimplificationTreeSizeReductionInter, 11.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1487 NumberOfCodeBlocks, 1487 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1877 ConstructedInterpolants, 4 QuantifiedInterpolants, 2641 SizeOfPredicates, 28 NumberOfNonLiveVariables, 3424 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 39 InterpolantComputations, 10 PerfectInterpolantSequences, 962/994 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: OVERALL_TIME: 50.8s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 34, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 346, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 217, TOOLS_POST_TIME: 18.6s, TOOLS_POST_CALL_APPLICATIONS: 234, TOOLS_POST_CALL_TIME: 19.9s, TOOLS_POST_RETURN_APPLICATIONS: 156, TOOLS_POST_RETURN_TIME: 7.7s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 607, TOOLS_QUANTIFIERELIM_TIME: 45.9s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.7s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 841, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 207, DOMAIN_JOIN_TIME: 3.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 346, DOMAIN_ISBOTTOM_TIME: 0.9s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 156, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 9579, DAG_COMPRESSION_RETAINED_NODES: 862, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1650]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 21:30:50,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_789de203-60b0-4642-8558-a4d2479d2c51/bin/utaipan-6cKwYrpEi9/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