./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS --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 32bit --witnessprinter.graph.data.programhash b5097186312a07da16ab8fdeadf6c0d6b4634620407ae37986153d9e0823e6f5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:14:49,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:14:49,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:14:49,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:14:49,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:14:49,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:14:49,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:14:49,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:14:49,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:14:49,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:14:49,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:14:49,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:14:49,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:14:49,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:14:49,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:14:49,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:14:49,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:14:49,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:14:49,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:14:49,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:14:49,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:14:49,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:14:49,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:14:49,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:14:49,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:14:49,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:14:49,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:14:49,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:14:49,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:14:49,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:14:49,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:14:49,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:14:49,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:14:49,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:14:49,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:14:49,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:14:49,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:14:49,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:14:49,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:14:49,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:14:49,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:14:49,588 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 07:14:49,630 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:14:49,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:14:49,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:14:49,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:14:49,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:14:49,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:14:49,632 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:14:49,632 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:14:49,633 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:14:49,633 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:14:49,633 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:14:49,633 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:14:49,633 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:14:49,634 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:14:49,634 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:14:49,634 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:14:49,634 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:14:49,634 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:14:49,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:14:49,635 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:14:49,635 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:14:49,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:14:49,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:14:49,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:14:49,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:14:49,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:14:49,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:14:49,637 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 07:14:49,637 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:14:49,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:14:49,637 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:14:49,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:14:49,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:14:49,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:14:49,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:14:49,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:14:49,638 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:14:49,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:14:49,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:14:49,639 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:14:49,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:14:49,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:14:49,639 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:14:49,640 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_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5097186312a07da16ab8fdeadf6c0d6b4634620407ae37986153d9e0823e6f5 [2022-11-19 07:14:49,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:14:49,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:14:49,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:14:49,926 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:14:49,927 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:14:49,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2022-11-19 07:14:50,005 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/data/80cd87e68/5e205f2bdb074eae86af8fec044e0a0f/FLAGccd579a86 [2022-11-19 07:14:50,419 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:14:50,420 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2022-11-19 07:14:50,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/data/80cd87e68/5e205f2bdb074eae86af8fec044e0a0f/FLAGccd579a86 [2022-11-19 07:14:50,807 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/data/80cd87e68/5e205f2bdb074eae86af8fec044e0a0f [2022-11-19 07:14:50,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:14:50,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:14:50,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:14:50,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:14:50,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:14:50,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:14:50" (1/1) ... [2022-11-19 07:14:50,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@615e3f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:50, skipping insertion in model container [2022-11-19 07:14:50,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:14:50" (1/1) ... [2022-11-19 07:14:50,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:14:50,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:14:51,001 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i[893,906] [2022-11-19 07:14:51,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:14:51,079 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:14:51,093 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i[893,906] [2022-11-19 07:14:51,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:14:51,137 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:14:51,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:51 WrapperNode [2022-11-19 07:14:51,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:14:51,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:14:51,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:14:51,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:14:51,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:51" (1/1) ... [2022-11-19 07:14:51,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:51" (1/1) ... [2022-11-19 07:14:51,201 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 146 [2022-11-19 07:14:51,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:14:51,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:14:51,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:14:51,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:14:51,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:51" (1/1) ... [2022-11-19 07:14:51,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:51" (1/1) ... [2022-11-19 07:14:51,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:51" (1/1) ... [2022-11-19 07:14:51,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:51" (1/1) ... [2022-11-19 07:14:51,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:51" (1/1) ... [2022-11-19 07:14:51,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:51" (1/1) ... [2022-11-19 07:14:51,239 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:51" (1/1) ... [2022-11-19 07:14:51,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:51" (1/1) ... [2022-11-19 07:14:51,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:14:51,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:14:51,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:14:51,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:14:51,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:51" (1/1) ... [2022-11-19 07:14:51,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:14:51,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:14:51,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:14:51,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:14:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:14:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:14:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:14:51,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:14:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 07:14:51,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 07:14:51,386 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:14:51,388 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:14:51,659 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:14:51,685 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:14:51,685 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 07:14:51,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:14:51 BoogieIcfgContainer [2022-11-19 07:14:51,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:14:51,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:14:51,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:14:51,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:14:51,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:14:50" (1/3) ... [2022-11-19 07:14:51,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177681a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:14:51, skipping insertion in model container [2022-11-19 07:14:51,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:51" (2/3) ... [2022-11-19 07:14:51,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177681a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:14:51, skipping insertion in model container [2022-11-19 07:14:51,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:14:51" (3/3) ... [2022-11-19 07:14:51,698 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i [2022-11-19 07:14:51,731 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:14:51,732 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-19 07:14:51,837 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:14:51,851 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;@7c105371, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:14:51,851 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-11-19 07:14:51,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 53 states have (on average 1.9245283018867925) internal successors, (102), 86 states have internal predecessors, (102), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-19 07:14:51,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 07:14:51,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:14:51,863 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:14:51,864 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:14:51,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:14:51,874 INFO L85 PathProgramCache]: Analyzing trace with hash -120287727, now seen corresponding path program 1 times [2022-11-19 07:14:51,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:14:51,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815111847] [2022-11-19 07:14:51,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:14:51,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:14:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:14:52,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:14:52,161 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:14:52,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815111847] [2022-11-19 07:14:52,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815111847] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:14:52,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:14:52,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 07:14:52,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37694377] [2022-11-19 07:14:52,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:14:52,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:14:52,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:14:52,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:14:52,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:14:52,212 INFO L87 Difference]: Start difference. First operand has 103 states, 53 states have (on average 1.9245283018867925) internal successors, (102), 86 states have internal predecessors, (102), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-11-19 07:14:52,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:14:52,387 INFO L93 Difference]: Finished difference Result 164 states and 219 transitions. [2022-11-19 07:14:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:14:52,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-19 07:14:52,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:14:52,398 INFO L225 Difference]: With dead ends: 164 [2022-11-19 07:14:52,398 INFO L226 Difference]: Without dead ends: 95 [2022-11-19 07:14:52,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:14:52,405 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 86 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:14:52,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 112 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:14:52,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-19 07:14:52,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-11-19 07:14:52,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 51 states have (on average 1.588235294117647) internal successors, (81), 78 states have internal predecessors, (81), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-19 07:14:52,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 117 transitions. [2022-11-19 07:14:52,456 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 117 transitions. Word has length 9 [2022-11-19 07:14:52,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:14:52,456 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 117 transitions. [2022-11-19 07:14:52,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-11-19 07:14:52,457 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2022-11-19 07:14:52,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-19 07:14:52,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:14:52,457 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:14:52,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:14:52,458 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:14:52,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:14:52,459 INFO L85 PathProgramCache]: Analyzing trace with hash 566046168, now seen corresponding path program 1 times [2022-11-19 07:14:52,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:14:52,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269417603] [2022-11-19 07:14:52,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:14:52,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:14:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:14:52,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:14:52,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:14:52,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269417603] [2022-11-19 07:14:52,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269417603] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:14:52,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:14:52,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:14:52,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808688480] [2022-11-19 07:14:52,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:14:52,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:14:52,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:14:52,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:14:52,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:14:52,505 INFO L87 Difference]: Start difference. First operand 95 states and 117 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:14:52,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:14:52,537 INFO L93 Difference]: Finished difference Result 179 states and 222 transitions. [2022-11-19 07:14:52,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:14:52,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-19 07:14:52,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:14:52,539 INFO L225 Difference]: With dead ends: 179 [2022-11-19 07:14:52,539 INFO L226 Difference]: Without dead ends: 95 [2022-11-19 07:14:52,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:14:52,542 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:14:52,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 224 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:14:52,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-19 07:14:52,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-11-19 07:14:52,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 51 states have (on average 1.5686274509803921) internal successors, (80), 78 states have internal predecessors, (80), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-19 07:14:52,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 116 transitions. [2022-11-19 07:14:52,560 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 116 transitions. Word has length 10 [2022-11-19 07:14:52,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:14:52,560 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 116 transitions. [2022-11-19 07:14:52,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:14:52,560 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2022-11-19 07:14:52,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-19 07:14:52,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:14:52,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:14:52,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:14:52,562 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:14:52,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:14:52,563 INFO L85 PathProgramCache]: Analyzing trace with hash 566047834, now seen corresponding path program 1 times [2022-11-19 07:14:52,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:14:52,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283108668] [2022-11-19 07:14:52,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:14:52,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:14:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:14:52,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:14:52,609 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:14:52,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283108668] [2022-11-19 07:14:52,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283108668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:14:52,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:14:52,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:14:52,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377162698] [2022-11-19 07:14:52,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:14:52,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:14:52,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:14:52,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:14:52,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:14:52,616 INFO L87 Difference]: Start difference. First operand 95 states and 116 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:14:52,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:14:52,714 INFO L93 Difference]: Finished difference Result 95 states and 116 transitions. [2022-11-19 07:14:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:14:52,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-19 07:14:52,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:14:52,716 INFO L225 Difference]: With dead ends: 95 [2022-11-19 07:14:52,716 INFO L226 Difference]: Without dead ends: 90 [2022-11-19 07:14:52,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:14:52,718 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 65 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:14:52,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 103 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:14:52,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-19 07:14:52,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-11-19 07:14:52,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 73 states have internal predecessors, (75), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-19 07:14:52,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 111 transitions. [2022-11-19 07:14:52,736 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 111 transitions. Word has length 10 [2022-11-19 07:14:52,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:14:52,737 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 111 transitions. [2022-11-19 07:14:52,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:14:52,737 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 111 transitions. [2022-11-19 07:14:52,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-19 07:14:52,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:14:52,738 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:14:52,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:14:52,739 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:14:52,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:14:52,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1488875524, now seen corresponding path program 1 times [2022-11-19 07:14:52,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:14:52,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870274779] [2022-11-19 07:14:52,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:14:52,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:14:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:14:52,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:14:52,843 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:14:52,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870274779] [2022-11-19 07:14:52,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870274779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:14:52,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:14:52,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:14:52,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787645784] [2022-11-19 07:14:52,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:14:52,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:14:52,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:14:52,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:14:52,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:14:52,846 INFO L87 Difference]: Start difference. First operand 90 states and 111 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:14:53,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:14:53,101 INFO L93 Difference]: Finished difference Result 121 states and 155 transitions. [2022-11-19 07:14:53,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:14:53,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-19 07:14:53,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:14:53,113 INFO L225 Difference]: With dead ends: 121 [2022-11-19 07:14:53,113 INFO L226 Difference]: Without dead ends: 114 [2022-11-19 07:14:53,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:14:53,119 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 99 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:14:53,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 171 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:14:53,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-11-19 07:14:53,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2022-11-19 07:14:53,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 69 states have (on average 1.391304347826087) internal successors, (96), 88 states have internal predecessors, (96), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-19 07:14:53,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 144 transitions. [2022-11-19 07:14:53,140 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 144 transitions. Word has length 12 [2022-11-19 07:14:53,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:14:53,141 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 144 transitions. [2022-11-19 07:14:53,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:14:53,141 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 144 transitions. [2022-11-19 07:14:53,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 07:14:53,142 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:14:53,142 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:14:53,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:14:53,143 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:14:53,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:14:53,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1089499097, now seen corresponding path program 1 times [2022-11-19 07:14:53,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:14:53,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681929862] [2022-11-19 07:14:53,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:14:53,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:14:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:14:53,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:14:53,194 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:14:53,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681929862] [2022-11-19 07:14:53,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681929862] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:14:53,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:14:53,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:14:53,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922074021] [2022-11-19 07:14:53,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:14:53,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:14:53,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:14:53,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:14:53,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:14:53,197 INFO L87 Difference]: Start difference. First operand 112 states and 144 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:14:53,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:14:53,392 INFO L93 Difference]: Finished difference Result 112 states and 144 transitions. [2022-11-19 07:14:53,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:14:53,393 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-19 07:14:53,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:14:53,395 INFO L225 Difference]: With dead ends: 112 [2022-11-19 07:14:53,398 INFO L226 Difference]: Without dead ends: 104 [2022-11-19 07:14:53,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:14:53,407 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 102 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:14:53,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 84 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:14:53,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-19 07:14:53,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-11-19 07:14:53,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 69 states have (on average 1.2318840579710144) internal successors, (85), 80 states have internal predecessors, (85), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-19 07:14:53,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 133 transitions. [2022-11-19 07:14:53,438 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 133 transitions. Word has length 13 [2022-11-19 07:14:53,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:14:53,439 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 133 transitions. [2022-11-19 07:14:53,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:14:53,439 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 133 transitions. [2022-11-19 07:14:53,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-19 07:14:53,441 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:14:53,441 INFO L195 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:14:53,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:14:53,441 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:14:53,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:14:53,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1885184477, now seen corresponding path program 1 times [2022-11-19 07:14:53,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:14:53,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407085586] [2022-11-19 07:14:53,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:14:53,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:14:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:14:53,760 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-19 07:14:53,760 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:14:53,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407085586] [2022-11-19 07:14:53,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407085586] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:14:53,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575596778] [2022-11-19 07:14:53,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:14:53,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:14:53,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:14:53,767 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:14:53,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:14:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:14:53,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 07:14:53,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:14:53,979 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-19 07:14:53,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:14:54,087 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-19 07:14:54,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575596778] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:14:54,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [774442884] [2022-11-19 07:14:54,107 INFO L159 IcfgInterpreter]: Started Sifa with 32 locations of interest [2022-11-19 07:14:54,107 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:14:54,111 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:14:54,116 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:14:54,117 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:14:56,127 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 56 for LOIs [2022-11-19 07:14:56,151 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:14:57,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [774442884] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:14:57,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:14:57,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [5, 4, 4] total 27 [2022-11-19 07:14:57,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307870558] [2022-11-19 07:14:57,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:14:57,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-19 07:14:57,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:14:57,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-19 07:14:57,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=562, Unknown=0, NotChecked=0, Total=756 [2022-11-19 07:14:57,878 INFO L87 Difference]: Start difference. First operand 104 states and 133 transitions. Second operand has 19 states, 16 states have (on average 1.5625) internal successors, (25), 17 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-19 07:14:59,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:14:59,496 INFO L93 Difference]: Finished difference Result 141 states and 185 transitions. [2022-11-19 07:14:59,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-19 07:14:59,497 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 1.5625) internal successors, (25), 17 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 52 [2022-11-19 07:14:59,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:14:59,499 INFO L225 Difference]: With dead ends: 141 [2022-11-19 07:14:59,499 INFO L226 Difference]: Without dead ends: 133 [2022-11-19 07:14:59,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 121 SyntacticMatches, 12 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=320, Invalid=802, Unknown=0, NotChecked=0, Total=1122 [2022-11-19 07:14:59,501 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 295 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:14:59,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 100 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-19 07:14:59,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-11-19 07:14:59,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 100. [2022-11-19 07:14:59,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 69 states have (on average 1.1884057971014492) internal successors, (82), 74 states have internal predecessors, (82), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-11-19 07:14:59,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 134 transitions. [2022-11-19 07:14:59,524 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 134 transitions. Word has length 52 [2022-11-19 07:14:59,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:14:59,525 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 134 transitions. [2022-11-19 07:14:59,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 1.5625) internal successors, (25), 17 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-19 07:14:59,525 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 134 transitions. [2022-11-19 07:14:59,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-19 07:14:59,527 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:14:59,527 INFO L195 NwaCegarLoop]: trace histogram [8, 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] [2022-11-19 07:14:59,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:14:59,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:14:59,733 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:14:59,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:14:59,733 INFO L85 PathProgramCache]: Analyzing trace with hash -783970013, now seen corresponding path program 1 times [2022-11-19 07:14:59,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:14:59,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423106276] [2022-11-19 07:14:59,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:14:59,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:14:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:14:59,815 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-19 07:14:59,815 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:14:59,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423106276] [2022-11-19 07:14:59,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423106276] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:14:59,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:14:59,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:14:59,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866186572] [2022-11-19 07:14:59,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:14:59,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:14:59,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:14:59,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:14:59,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:14:59,818 INFO L87 Difference]: Start difference. First operand 100 states and 134 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-11-19 07:14:59,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:14:59,901 INFO L93 Difference]: Finished difference Result 161 states and 218 transitions. [2022-11-19 07:14:59,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:14:59,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 54 [2022-11-19 07:14:59,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:14:59,905 INFO L225 Difference]: With dead ends: 161 [2022-11-19 07:14:59,905 INFO L226 Difference]: Without dead ends: 93 [2022-11-19 07:14:59,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:14:59,908 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:14:59,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:14:59,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-19 07:14:59,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2022-11-19 07:14:59,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 62 states have (on average 1.1612903225806452) internal successors, (72), 67 states have internal predecessors, (72), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-19 07:14:59,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 120 transitions. [2022-11-19 07:14:59,939 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 120 transitions. Word has length 54 [2022-11-19 07:14:59,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:14:59,940 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 120 transitions. [2022-11-19 07:14:59,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-11-19 07:14:59,940 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 120 transitions. [2022-11-19 07:14:59,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-19 07:14:59,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:14:59,948 INFO L195 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:14:59,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:14:59,952 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:14:59,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:14:59,952 INFO L85 PathProgramCache]: Analyzing trace with hash 904446316, now seen corresponding path program 1 times [2022-11-19 07:14:59,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:14:59,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772216296] [2022-11-19 07:14:59,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:14:59,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:14:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:00,054 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-19 07:15:00,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:00,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772216296] [2022-11-19 07:15:00,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772216296] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:15:00,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:15:00,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:15:00,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051030467] [2022-11-19 07:15:00,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:15:00,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:15:00,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:00,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:15:00,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:15:00,057 INFO L87 Difference]: Start difference. First operand 90 states and 120 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 07:15:00,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:15:00,112 INFO L93 Difference]: Finished difference Result 126 states and 172 transitions. [2022-11-19 07:15:00,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:15:00,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 79 [2022-11-19 07:15:00,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:15:00,114 INFO L225 Difference]: With dead ends: 126 [2022-11-19 07:15:00,114 INFO L226 Difference]: Without dead ends: 90 [2022-11-19 07:15:00,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:15:00,116 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:15:00,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:15:00,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-19 07:15:00,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-11-19 07:15:00,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 62 states have (on average 1.1290322580645162) internal successors, (70), 67 states have internal predecessors, (70), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-19 07:15:00,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 118 transitions. [2022-11-19 07:15:00,148 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 118 transitions. Word has length 79 [2022-11-19 07:15:00,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:15:00,150 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 118 transitions. [2022-11-19 07:15:00,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 07:15:00,150 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 118 transitions. [2022-11-19 07:15:00,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-19 07:15:00,153 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:15:00,153 INFO L195 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:15:00,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:15:00,153 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:15:00,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:15:00,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1616302168, now seen corresponding path program 1 times [2022-11-19 07:15:00,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:15:00,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872710246] [2022-11-19 07:15:00,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:00,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:15:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:00,291 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-19 07:15:00,291 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:00,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872710246] [2022-11-19 07:15:00,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872710246] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:15:00,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:15:00,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:15:00,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273663145] [2022-11-19 07:15:00,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:15:00,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:15:00,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:00,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:15:00,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:15:00,295 INFO L87 Difference]: Start difference. First operand 90 states and 118 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 07:15:00,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:15:00,337 INFO L93 Difference]: Finished difference Result 108 states and 139 transitions. [2022-11-19 07:15:00,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:15:00,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 81 [2022-11-19 07:15:00,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:15:00,343 INFO L225 Difference]: With dead ends: 108 [2022-11-19 07:15:00,344 INFO L226 Difference]: Without dead ends: 106 [2022-11-19 07:15:00,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:15:00,346 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 5 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:15:00,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 167 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:15:00,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-19 07:15:00,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2022-11-19 07:15:00,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 75 states have (on average 1.1066666666666667) internal successors, (83), 79 states have internal predecessors, (83), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-11-19 07:15:00,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 135 transitions. [2022-11-19 07:15:00,369 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 135 transitions. Word has length 81 [2022-11-19 07:15:00,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:15:00,370 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 135 transitions. [2022-11-19 07:15:00,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 07:15:00,370 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 135 transitions. [2022-11-19 07:15:00,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-19 07:15:00,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:15:00,372 INFO L195 NwaCegarLoop]: trace histogram [14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:15:00,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 07:15:00,372 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:15:00,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:15:00,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1575046166, now seen corresponding path program 1 times [2022-11-19 07:15:00,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:15:00,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657339561] [2022-11-19 07:15:00,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:00,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:15:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:00,588 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-11-19 07:15:00,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:00,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657339561] [2022-11-19 07:15:00,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657339561] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:15:00,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880272847] [2022-11-19 07:15:00,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:00,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:00,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:15:00,590 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:15:00,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:15:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:00,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:15:00,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:15:00,788 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-11-19 07:15:00,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:15:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-11-19 07:15:00,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880272847] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:15:00,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [878919971] [2022-11-19 07:15:00,980 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-11-19 07:15:00,981 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:15:00,982 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:15:00,983 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:15:00,983 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:15:03,398 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 56 for LOIs [2022-11-19 07:15:03,415 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:15:07,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [878919971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:15:07,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:15:07,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [6, 5, 5] total 38 [2022-11-19 07:15:07,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024127522] [2022-11-19 07:15:07,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:15:07,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-19 07:15:07,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:07,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-19 07:15:07,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=1118, Unknown=0, NotChecked=0, Total=1482 [2022-11-19 07:15:07,160 INFO L87 Difference]: Start difference. First operand 105 states and 135 transitions. Second operand has 28 states, 24 states have (on average 2.0) internal successors, (48), 26 states have internal predecessors, (48), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-19 07:15:10,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:15:10,604 INFO L93 Difference]: Finished difference Result 190 states and 246 transitions. [2022-11-19 07:15:10,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-19 07:15:10,605 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 24 states have (on average 2.0) internal successors, (48), 26 states have internal predecessors, (48), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 97 [2022-11-19 07:15:10,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:15:10,607 INFO L225 Difference]: With dead ends: 190 [2022-11-19 07:15:10,607 INFO L226 Difference]: Without dead ends: 189 [2022-11-19 07:15:10,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 232 SyntacticMatches, 26 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1170 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=626, Invalid=1726, Unknown=0, NotChecked=0, Total=2352 [2022-11-19 07:15:10,609 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 194 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 1465 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:15:10,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 154 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1465 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-19 07:15:10,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-11-19 07:15:10,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 152. [2022-11-19 07:15:10,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 112 states have (on average 1.0982142857142858) internal successors, (123), 115 states have internal predecessors, (123), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-11-19 07:15:10,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 195 transitions. [2022-11-19 07:15:10,649 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 195 transitions. Word has length 97 [2022-11-19 07:15:10,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:15:10,651 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 195 transitions. [2022-11-19 07:15:10,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 24 states have (on average 2.0) internal successors, (48), 26 states have internal predecessors, (48), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-19 07:15:10,652 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 195 transitions. [2022-11-19 07:15:10,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-19 07:15:10,658 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:15:10,659 INFO L195 NwaCegarLoop]: trace histogram [18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:15:10,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:15:10,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-19 07:15:10,864 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:15:10,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:15:10,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1949293354, now seen corresponding path program 1 times [2022-11-19 07:15:10,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:15:10,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932617491] [2022-11-19 07:15:10,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:10,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:15:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:11,082 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-19 07:15:11,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:11,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932617491] [2022-11-19 07:15:11,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932617491] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:15:11,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206613631] [2022-11-19 07:15:11,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:11,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:11,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:15:11,084 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:15:11,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:15:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:11,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:15:11,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:15:11,295 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-19 07:15:11,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:15:11,462 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-19 07:15:11,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206613631] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:15:11,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1700258531] [2022-11-19 07:15:11,469 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2022-11-19 07:15:11,469 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:15:11,470 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:15:11,470 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:15:11,470 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:15:13,563 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 56 for LOIs [2022-11-19 07:15:13,579 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:15:17,685 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4881#(and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (<= 1 |ULTIMATE.start_main_~tokenlen~0#1|) (<= 1 |ULTIMATE.start_main_~scheme~0#1|) (<= 0 |ULTIMATE.start_main_~c~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 1000000) (= |#NULL.offset| 0) (<= 1 |ULTIMATE.start_main_~urilen~0#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (<= |ULTIMATE.start_main_~scheme~0#1| 1000000) (< 2147483646 |ULTIMATE.start_main_~cp~0#1|) (= |#NULL.base| 0))' at error location [2022-11-19 07:15:17,685 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 07:15:17,685 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:15:17,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2022-11-19 07:15:17,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595215192] [2022-11-19 07:15:17,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 07:15:17,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-19 07:15:17,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:17,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-19 07:15:17,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=405, Invalid=1401, Unknown=0, NotChecked=0, Total=1806 [2022-11-19 07:15:17,688 INFO L87 Difference]: Start difference. First operand 152 states and 195 transitions. Second operand has 13 states, 12 states have (on average 13.416666666666666) internal successors, (161), 13 states have internal predecessors, (161), 7 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 7 states have call predecessors, (52), 7 states have call successors, (52) [2022-11-19 07:15:19,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:15:19,282 INFO L93 Difference]: Finished difference Result 811 states and 1077 transitions. [2022-11-19 07:15:19,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-19 07:15:19,283 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.416666666666666) internal successors, (161), 13 states have internal predecessors, (161), 7 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 7 states have call predecessors, (52), 7 states have call successors, (52) Word has length 111 [2022-11-19 07:15:19,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:15:19,288 INFO L225 Difference]: With dead ends: 811 [2022-11-19 07:15:19,289 INFO L226 Difference]: Without dead ends: 810 [2022-11-19 07:15:19,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 269 SyntacticMatches, 27 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2307 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=1018, Invalid=3272, Unknown=0, NotChecked=0, Total=4290 [2022-11-19 07:15:19,291 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 1362 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1370 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 1409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 595 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:15:19,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1370 Valid, 589 Invalid, 1409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [595 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-19 07:15:19,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2022-11-19 07:15:19,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 476. [2022-11-19 07:15:19,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 356 states have (on average 1.1095505617977528) internal successors, (395), 368 states have internal predecessors, (395), 116 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2022-11-19 07:15:19,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 627 transitions. [2022-11-19 07:15:19,392 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 627 transitions. Word has length 111 [2022-11-19 07:15:19,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:15:19,393 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 627 transitions. [2022-11-19 07:15:19,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.416666666666666) internal successors, (161), 13 states have internal predecessors, (161), 7 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 7 states have call predecessors, (52), 7 states have call successors, (52) [2022-11-19 07:15:19,394 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 627 transitions. [2022-11-19 07:15:19,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-19 07:15:19,396 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:15:19,396 INFO L195 NwaCegarLoop]: trace histogram [18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:15:19,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:15:19,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:19,602 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:15:19,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:15:19,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1206145111, now seen corresponding path program 1 times [2022-11-19 07:15:19,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:15:19,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071544261] [2022-11-19 07:15:19,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:19,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:15:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:19,694 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-19 07:15:19,694 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:19,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071544261] [2022-11-19 07:15:19,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071544261] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:15:19,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017637297] [2022-11-19 07:15:19,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:19,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:19,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:15:19,696 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:15:19,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:15:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:19,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:15:19,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:15:19,862 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-19 07:15:19,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:15:19,967 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-19 07:15:19,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017637297] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:15:19,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1317049269] [2022-11-19 07:15:19,976 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2022-11-19 07:15:19,977 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:15:19,978 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:15:19,978 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:15:19,978 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:15:25,563 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 8 for LOIs [2022-11-19 07:15:25,565 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:15:29,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1317049269] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:15:29,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:15:29,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [3, 3, 3] total 33 [2022-11-19 07:15:29,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089693224] [2022-11-19 07:15:29,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:15:29,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-19 07:15:29,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:29,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-19 07:15:29,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=903, Unknown=0, NotChecked=0, Total=1122 [2022-11-19 07:15:29,410 INFO L87 Difference]: Start difference. First operand 476 states and 627 transitions. Second operand has 29 states, 25 states have (on average 2.0) internal successors, (50), 27 states have internal predecessors, (50), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2022-11-19 07:15:32,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:15:32,585 INFO L93 Difference]: Finished difference Result 597 states and 796 transitions. [2022-11-19 07:15:32,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-19 07:15:32,586 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 25 states have (on average 2.0) internal successors, (50), 27 states have internal predecessors, (50), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 111 [2022-11-19 07:15:32,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:15:32,588 INFO L225 Difference]: With dead ends: 597 [2022-11-19 07:15:32,588 INFO L226 Difference]: Without dead ends: 353 [2022-11-19 07:15:32,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 272 SyntacticMatches, 30 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=461, Invalid=1701, Unknown=0, NotChecked=0, Total=2162 [2022-11-19 07:15:32,590 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 325 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 1482 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 1482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:15:32,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 124 Invalid, 1600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 1482 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-19 07:15:32,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2022-11-19 07:15:32,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2022-11-19 07:15:32,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 259 states have (on average 1.1081081081081081) internal successors, (287), 270 states have internal predecessors, (287), 90 states have call successors, (90), 1 states have call predecessors, (90), 1 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2022-11-19 07:15:32,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 467 transitions. [2022-11-19 07:15:32,651 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 467 transitions. Word has length 111 [2022-11-19 07:15:32,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:15:32,651 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 467 transitions. [2022-11-19 07:15:32,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 25 states have (on average 2.0) internal successors, (50), 27 states have internal predecessors, (50), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2022-11-19 07:15:32,652 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 467 transitions. [2022-11-19 07:15:32,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-19 07:15:32,654 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:15:32,654 INFO L195 NwaCegarLoop]: trace histogram [20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:15:32,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 07:15:32,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:32,860 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:15:32,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:15:32,860 INFO L85 PathProgramCache]: Analyzing trace with hash -115374506, now seen corresponding path program 1 times [2022-11-19 07:15:32,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:15:32,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568115224] [2022-11-19 07:15:32,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:32,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:15:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:32,962 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2022-11-19 07:15:32,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:32,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568115224] [2022-11-19 07:15:32,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568115224] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:15:32,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646172815] [2022-11-19 07:15:32,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:32,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:32,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:15:32,964 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:15:32,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 07:15:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:33,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:15:33,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:15:33,099 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2022-11-19 07:15:33,099 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:15:33,216 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2022-11-19 07:15:33,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646172815] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:15:33,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1393572] [2022-11-19 07:15:33,219 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-19 07:15:33,220 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:15:33,220 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:15:33,221 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:15:33,221 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:15:36,644 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 56 for LOIs [2022-11-19 07:15:36,657 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:15:40,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1393572] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:15:40,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:15:40,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [3, 3, 3] total 36 [2022-11-19 07:15:40,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30960713] [2022-11-19 07:15:40,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:15:40,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-11-19 07:15:40,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:40,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-19 07:15:40,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=1125, Unknown=0, NotChecked=0, Total=1332 [2022-11-19 07:15:40,032 INFO L87 Difference]: Start difference. First operand 353 states and 467 transitions. Second operand has 32 states, 27 states have (on average 1.962962962962963) internal successors, (53), 30 states have internal predecessors, (53), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2022-11-19 07:15:45,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:15:45,145 INFO L93 Difference]: Finished difference Result 497 states and 661 transitions. [2022-11-19 07:15:45,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-19 07:15:45,145 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 27 states have (on average 1.962962962962963) internal successors, (53), 30 states have internal predecessors, (53), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 123 [2022-11-19 07:15:45,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:15:45,146 INFO L225 Difference]: With dead ends: 497 [2022-11-19 07:15:45,146 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:15:45,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 300 SyntacticMatches, 35 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1717 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=769, Invalid=3137, Unknown=0, NotChecked=0, Total=3906 [2022-11-19 07:15:45,148 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 384 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 1131 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 1131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:15:45,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 44 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 1131 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-19 07:15:45,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:15:45,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:15:45,150 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) [2022-11-19 07:15:45,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:15:45,150 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2022-11-19 07:15:45,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:15:45,150 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:15:45,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 27 states have (on average 1.962962962962963) internal successors, (53), 30 states have internal predecessors, (53), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2022-11-19 07:15:45,151 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:15:45,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:15:45,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2022-11-19 07:15:45,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2022-11-19 07:15:45,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2022-11-19 07:15:45,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2022-11-19 07:15:45,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2022-11-19 07:15:45,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2022-11-19 07:15:45,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2022-11-19 07:15:45,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2022-11-19 07:15:45,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2022-11-19 07:15:45,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2022-11-19 07:15:45,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2022-11-19 07:15:45,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2022-11-19 07:15:45,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2022-11-19 07:15:45,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2022-11-19 07:15:45,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2022-11-19 07:15:45,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2022-11-19 07:15:45,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2022-11-19 07:15:45,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2022-11-19 07:15:45,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2022-11-19 07:15:45,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2022-11-19 07:15:45,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2022-11-19 07:15:45,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2022-11-19 07:15:45,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2022-11-19 07:15:45,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2022-11-19 07:15:45,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2022-11-19 07:15:45,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2022-11-19 07:15:45,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2022-11-19 07:15:45,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2022-11-19 07:15:45,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2022-11-19 07:15:45,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2022-11-19 07:15:45,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-19 07:15:45,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-19 07:15:45,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 07:15:54,303 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-19 07:15:54,304 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-11-19 07:15:54,304 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 57) no Hoare annotation was computed. [2022-11-19 07:15:54,304 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 80) no Hoare annotation was computed. [2022-11-19 07:15:54,304 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2022-11-19 07:15:54,304 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 75) no Hoare annotation was computed. [2022-11-19 07:15:54,304 INFO L899 garLoopResultBuilder]: For program point L36(lines 25 83) no Hoare annotation was computed. [2022-11-19 07:15:54,304 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 69 75) no Hoare annotation was computed. [2022-11-19 07:15:54,305 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-19 07:15:54,305 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 07:15:54,305 INFO L899 garLoopResultBuilder]: For program point L61(lines 61 79) no Hoare annotation was computed. [2022-11-19 07:15:54,305 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-11-19 07:15:54,305 INFO L895 garLoopResultBuilder]: At program point L53(line 53) the Hoare annotation is: (let ((.cse15 (select |#memory_int| 1))) (let ((.cse0 (<= |ULTIMATE.start_main_~urilen~0#1| 1000000)) (.cse1 (<= |ULTIMATE.start_main_~scheme~0#1| 999999)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (= 9 (select |#length| 2))) (.cse4 (< 0 |ULTIMATE.start_main_~tokenlen~0#1|)) (.cse5 (= (select |#valid| 1) 1)) (.cse6 (<= 0 |ULTIMATE.start_main_~scheme~0#1|)) (.cse7 (= (select |#valid| 0) 0)) (.cse8 (= (select |#valid| 2) 1)) (.cse9 (= |#NULL.offset| 0)) (.cse10 (= (select .cse15 0) 48)) (.cse11 (= (select .cse15 1) 0)) (.cse12 (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000)) (.cse13 (< 0 |#StackHeapBarrier|)) (.cse14 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_main_~cp~0#1|) .cse4 .cse5 (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= 1 |ULTIMATE.start_main_~urilen~0#1|) .cse12 .cse13 .cse14)))) [2022-11-19 07:15:54,306 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-11-19 07:15:54,306 INFO L895 garLoopResultBuilder]: At program point L45(line 45) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (= |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~scheme~0#1|) (= 2 (select |#length| 1)) (<= (+ |ULTIMATE.start_main_~scheme~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|) (not (= 0 |ULTIMATE.start_main_~scheme~0#1|)) (= 9 (select |#length| 2)) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (<= 0 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 07:15:54,306 INFO L895 garLoopResultBuilder]: At program point L45-1(line 45) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (= |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~scheme~0#1|) (= 2 (select |#length| 1)) (<= (+ |ULTIMATE.start_main_~scheme~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|) (not (= 0 |ULTIMATE.start_main_~scheme~0#1|)) (= 9 (select |#length| 2)) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (<= 0 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 07:15:54,306 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-19 07:15:54,306 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-11-19 07:15:54,306 INFO L899 garLoopResultBuilder]: For program point L70-1(line 70) no Hoare annotation was computed. [2022-11-19 07:15:54,306 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-19 07:15:54,306 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-19 07:15:54,307 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-11-19 07:15:54,307 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-11-19 07:15:54,307 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-19 07:15:54,307 INFO L895 garLoopResultBuilder]: At program point L71(line 71) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (< |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~tokenlen~0#1|) (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (<= 1 |ULTIMATE.start_main_~c~0#1|) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (<= 1 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 1) 1) (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 07:15:54,308 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-11-19 07:15:54,308 INFO L895 garLoopResultBuilder]: At program point L71-1(line 71) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (< |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~tokenlen~0#1|) (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (<= 1 |ULTIMATE.start_main_~c~0#1|) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (<= 1 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 1) 1) (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 07:15:54,308 INFO L899 garLoopResultBuilder]: For program point L38-2(line 38) no Hoare annotation was computed. [2022-11-19 07:15:54,311 INFO L899 garLoopResultBuilder]: For program point L38-3(line 38) no Hoare annotation was computed. [2022-11-19 07:15:54,311 INFO L899 garLoopResultBuilder]: For program point L38-4(lines 38 40) no Hoare annotation was computed. [2022-11-19 07:15:54,311 INFO L895 garLoopResultBuilder]: At program point L63(line 63) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= |ULTIMATE.start_main_~c~0#1| 0) (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (= |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~scheme~0#1|) (= 2 (select |#length| 1)) (<= (+ |ULTIMATE.start_main_~scheme~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 07:15:54,311 INFO L895 garLoopResultBuilder]: At program point L63-1(line 63) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= |ULTIMATE.start_main_~c~0#1| 0) (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (= |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~scheme~0#1|) (= 2 (select |#length| 1)) (<= (+ |ULTIMATE.start_main_~scheme~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 07:15:54,312 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-11-19 07:15:54,312 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-11-19 07:15:54,312 INFO L899 garLoopResultBuilder]: For program point L55-1(line 55) no Hoare annotation was computed. [2022-11-19 07:15:54,312 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 70) no Hoare annotation was computed. [2022-11-19 07:15:54,312 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-11-19 07:15:54,312 INFO L899 garLoopResultBuilder]: For program point L47-1(lines 47 52) no Hoare annotation was computed. [2022-11-19 07:15:54,313 INFO L895 garLoopResultBuilder]: At program point L47-3(lines 46 52) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (not (= |ULTIMATE.start_main_~urilen~0#1| |ULTIMATE.start_main_~cp~0#1|)) (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| (+ |ULTIMATE.start_main_~urilen~0#1| 1)) 1 0) 0)) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (<= 0 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 07:15:54,313 INFO L895 garLoopResultBuilder]: At program point L47-4(lines 47 52) the Hoare annotation is: (let ((.cse15 (select |#memory_int| 1))) (let ((.cse0 (<= |ULTIMATE.start_main_~urilen~0#1| 1000000)) (.cse1 (<= |ULTIMATE.start_main_~scheme~0#1| 999999)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (= 9 (select |#length| 2))) (.cse4 (< 0 |ULTIMATE.start_main_~tokenlen~0#1|)) (.cse5 (= (select |#valid| 1) 1)) (.cse6 (<= 0 |ULTIMATE.start_main_~scheme~0#1|)) (.cse7 (= (select |#valid| 0) 0)) (.cse8 (= (select |#valid| 2) 1)) (.cse9 (= |#NULL.offset| 0)) (.cse10 (= (select .cse15 0) 48)) (.cse11 (= (select .cse15 1) 0)) (.cse12 (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000)) (.cse13 (< 0 |#StackHeapBarrier|)) (.cse14 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_main_~cp~0#1|) .cse4 .cse5 (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= 1 |ULTIMATE.start_main_~urilen~0#1|) .cse12 .cse13 .cse14)))) [2022-11-19 07:15:54,313 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-19 07:15:54,314 INFO L895 garLoopResultBuilder]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (< |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~tokenlen~0#1|) (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (<= 1 |ULTIMATE.start_main_~c~0#1|) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (<= 1 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 1) 1) (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 07:15:54,314 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-11-19 07:15:54,314 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-11-19 07:15:54,314 INFO L899 garLoopResultBuilder]: For program point L56-1(line 56) no Hoare annotation was computed. [2022-11-19 07:15:54,314 INFO L895 garLoopResultBuilder]: At program point L56-2(line 56) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) (<= 0 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 07:15:54,314 INFO L899 garLoopResultBuilder]: For program point L56-3(line 56) no Hoare annotation was computed. [2022-11-19 07:15:54,315 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 70) no Hoare annotation was computed. [2022-11-19 07:15:54,315 INFO L895 garLoopResultBuilder]: At program point L81(lines 25 83) the Hoare annotation is: (<= |ULTIMATE.start_main_~urilen~0#1| 2147483647) [2022-11-19 07:15:54,315 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2022-11-19 07:15:54,315 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-19 07:15:54,315 INFO L895 garLoopResultBuilder]: At program point L73(line 73) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (< |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~tokenlen~0#1|) (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (<= 1 |ULTIMATE.start_main_~c~0#1|) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (<= 1 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 1) 1) (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 07:15:54,316 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-11-19 07:15:54,316 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-11-19 07:15:54,316 INFO L899 garLoopResultBuilder]: For program point L65-1(lines 65 66) no Hoare annotation was computed. [2022-11-19 07:15:54,316 INFO L899 garLoopResultBuilder]: For program point L65-3(lines 65 77) no Hoare annotation was computed. [2022-11-19 07:15:54,316 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2022-11-19 07:15:54,316 INFO L895 garLoopResultBuilder]: At program point L65-5(lines 64 77) the Hoare annotation is: (let ((.cse17 (select |#memory_int| 1))) (let ((.cse0 (<= |ULTIMATE.start_main_~urilen~0#1| 1000000)) (.cse1 (<= |ULTIMATE.start_main_~scheme~0#1| 999999)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (= 9 (select |#length| 2))) (.cse4 (<= 1 |ULTIMATE.start_main_~cp~0#1|)) (.cse5 (<= 1 |ULTIMATE.start_main_~scheme~0#1|)) (.cse6 (<= 0 |ULTIMATE.start_main_~c~0#1|)) (.cse7 (< 0 |ULTIMATE.start_main_~tokenlen~0#1|)) (.cse8 (= (select |#valid| 1) 1)) (.cse9 (= (select |#valid| 0) 0)) (.cse10 (= (select |#valid| 2) 1)) (.cse11 (= |#NULL.offset| 0)) (.cse12 (= (select .cse17 0) 48)) (.cse13 (= (select .cse17 1) 0)) (.cse14 (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000)) (.cse15 (< 0 |#StackHeapBarrier|)) (.cse16 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= |ULTIMATE.start_main_~cp~0#1| 2147483647) (<= |ULTIMATE.start_main_~c~0#1| 1000000) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (<= 1 |ULTIMATE.start_main_~urilen~0#1|) .cse14 .cse15 .cse16) (and (not (= |ULTIMATE.start_main_~urilen~0#1| |ULTIMATE.start_main_~cp~0#1|)) .cse0 (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| (+ |ULTIMATE.start_main_~urilen~0#1| 1)) 1 0) 0)) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16)))) [2022-11-19 07:15:54,317 INFO L899 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2022-11-19 07:15:54,317 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2022-11-19 07:15:54,317 INFO L895 garLoopResultBuilder]: At program point L57-1(line 57) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) (<= 0 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 07:15:54,317 INFO L899 garLoopResultBuilder]: For program point L57-2(line 57) no Hoare annotation was computed. [2022-11-19 07:15:54,318 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 59) no Hoare annotation was computed. [2022-11-19 07:15:54,318 INFO L895 garLoopResultBuilder]: At program point L82(lines 24 83) the Hoare annotation is: (<= |ULTIMATE.start_main_~urilen~0#1| 2147483647) [2022-11-19 07:15:54,318 INFO L895 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) (<= 0 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 07:15:54,318 INFO L895 garLoopResultBuilder]: At program point L49-1(line 49) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) (<= 0 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 07:15:54,319 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2022-11-19 07:15:54,319 INFO L899 garLoopResultBuilder]: For program point L66(line 66) no Hoare annotation was computed. [2022-11-19 07:15:54,319 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2022-11-19 07:15:54,319 INFO L899 garLoopResultBuilder]: For program point L66-1(line 66) no Hoare annotation was computed. [2022-11-19 07:15:54,319 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:15:54,319 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2022-11-19 07:15:54,319 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-11-19 07:15:54,320 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-19 07:15:54,320 INFO L899 garLoopResultBuilder]: For program point L58-2(line 58) no Hoare annotation was computed. [2022-11-19 07:15:54,320 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2022-11-19 07:15:54,320 INFO L899 garLoopResultBuilder]: For program point L58-3(line 58) no Hoare annotation was computed. [2022-11-19 07:15:54,320 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 59) no Hoare annotation was computed. [2022-11-19 07:15:54,320 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-11-19 07:15:54,320 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2022-11-19 07:15:54,321 INFO L899 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2022-11-19 07:15:54,321 INFO L899 garLoopResultBuilder]: For program point L42-1(line 42) no Hoare annotation was computed. [2022-11-19 07:15:54,321 INFO L895 garLoopResultBuilder]: At program point L42-2(line 42) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (= |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~scheme~0#1|) (= 2 (select |#length| 1)) (<= (+ |ULTIMATE.start_main_~scheme~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|) (not (= 0 |ULTIMATE.start_main_~scheme~0#1|)) (= 9 (select |#length| 2)) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (<= 0 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 07:15:54,321 INFO L899 garLoopResultBuilder]: For program point L42-3(line 42) no Hoare annotation was computed. [2022-11-19 07:15:54,321 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (< (+ |ULTIMATE.start_main_~c~0#1| 1) |ULTIMATE.start_main_~tokenlen~0#1|) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (<= 1 |ULTIMATE.start_main_~scheme~0#1|) (<= 0 |ULTIMATE.start_main_~c~0#1|) (<= |ULTIMATE.start_main_~cp~0#1| 2147483647) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= 1 |ULTIMATE.start_main_~urilen~0#1|) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 07:15:54,322 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-11-19 07:15:54,322 INFO L895 garLoopResultBuilder]: At program point L67-1(line 67) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (< (+ |ULTIMATE.start_main_~c~0#1| 1) |ULTIMATE.start_main_~tokenlen~0#1|) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (<= 1 |ULTIMATE.start_main_~scheme~0#1|) (<= 0 |ULTIMATE.start_main_~c~0#1|) (= (select |#valid| 1) 1) (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 07:15:54,322 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-11-19 07:15:54,322 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-19 07:15:54,322 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-11-19 07:15:54,323 INFO L899 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2022-11-19 07:15:54,323 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2022-11-19 07:15:54,323 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 57) no Hoare annotation was computed. [2022-11-19 07:15:54,323 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-11-19 07:15:54,323 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-11-19 07:15:54,324 INFO L895 garLoopResultBuilder]: At program point L43-1(line 43) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (= |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~scheme~0#1|) (= 2 (select |#length| 1)) (<= (+ |ULTIMATE.start_main_~scheme~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|) (not (= 0 |ULTIMATE.start_main_~scheme~0#1|)) (= 9 (select |#length| 2)) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (<= 0 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 07:15:54,324 INFO L899 garLoopResultBuilder]: For program point L43-2(line 43) no Hoare annotation was computed. [2022-11-19 07:15:54,324 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2022-11-19 07:15:54,324 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-11-19 07:15:54,324 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-11-19 07:15:54,324 INFO L899 garLoopResultBuilder]: For program point L35-1(lines 25 83) no Hoare annotation was computed. [2022-11-19 07:15:54,324 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 17 22) the Hoare annotation is: true [2022-11-19 07:15:54,325 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 17 22) no Hoare annotation was computed. [2022-11-19 07:15:54,328 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:15:54,330 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:15:54,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:15:54 BoogieIcfgContainer [2022-11-19 07:15:54,349 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:15:54,350 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:15:54,350 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:15:54,350 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:15:54,351 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:14:51" (3/4) ... [2022-11-19 07:15:54,353 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:15:54,359 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-19 07:15:54,365 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-19 07:15:54,365 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 07:15:54,366 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-19 07:15:54,366 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:15:54,415 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:15:54,416 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:15:54,416 INFO L158 Benchmark]: Toolchain (without parser) took 63604.01ms. Allocated memory was 127.9MB in the beginning and 597.7MB in the end (delta: 469.8MB). Free memory was 93.9MB in the beginning and 515.1MB in the end (delta: -421.2MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2022-11-19 07:15:54,417 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory was 54.5MB in the beginning and 54.4MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:15:54,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.61ms. Allocated memory is still 127.9MB. Free memory was 93.9MB in the beginning and 104.4MB in the end (delta: -10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 07:15:54,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.70ms. Allocated memory is still 127.9MB. Free memory was 104.4MB in the beginning and 102.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:15:54,418 INFO L158 Benchmark]: Boogie Preprocessor took 38.89ms. Allocated memory is still 127.9MB. Free memory was 102.3MB in the beginning and 101.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:15:54,418 INFO L158 Benchmark]: RCFGBuilder took 445.72ms. Allocated memory is still 127.9MB. Free memory was 101.1MB in the beginning and 83.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-19 07:15:54,418 INFO L158 Benchmark]: TraceAbstraction took 62658.23ms. Allocated memory was 127.9MB in the beginning and 597.7MB in the end (delta: 469.8MB). Free memory was 82.9MB in the beginning and 520.4MB in the end (delta: -437.5MB). Peak memory consumption was 343.3MB. Max. memory is 16.1GB. [2022-11-19 07:15:54,419 INFO L158 Benchmark]: Witness Printer took 66.27ms. Allocated memory is still 597.7MB. Free memory was 520.4MB in the beginning and 515.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:15:54,421 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory was 54.5MB in the beginning and 54.4MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.61ms. Allocated memory is still 127.9MB. Free memory was 93.9MB in the beginning and 104.4MB in the end (delta: -10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.70ms. Allocated memory is still 127.9MB. Free memory was 104.4MB in the beginning and 102.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.89ms. Allocated memory is still 127.9MB. Free memory was 102.3MB in the beginning and 101.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 445.72ms. Allocated memory is still 127.9MB. Free memory was 101.1MB in the beginning and 83.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 62658.23ms. Allocated memory was 127.9MB in the beginning and 597.7MB in the end (delta: 469.8MB). Free memory was 82.9MB in the beginning and 520.4MB in the end (delta: -437.5MB). Peak memory consumption was 343.3MB. Max. memory is 16.1GB. * Witness Printer took 66.27ms. Allocated memory is still 597.7MB. Free memory was 520.4MB in the beginning and 515.1MB in the end (delta: 5.2MB). 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: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 103 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 62.5s, OverallIterations: 13, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3023 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2917 mSDsluCounter, 2181 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1148 mSDsCounter, 1218 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5893 IncrementalHoareTripleChecker+Invalid, 7111 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1218 mSolverCounterUnsat, 1033 mSDtfsCounter, 5893 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1595 GetRequests, 1204 SyntacticMatches, 130 SemanticMatches, 261 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6641 ImplicationChecksByTransitivity, 25.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=476occurred in iteration=11, InterpolantAutomatonStates: 178, 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, 13 MinimizatonAttempts, 410 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 266 PreInvPairs, 492 NumberOfFragments, 1839 HoareAnnotationTreeSize, 266 FomulaSimplifications, 45108 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 23 FomulaSimplificationsInter, 59505 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1256 NumberOfCodeBlocks, 1256 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1727 ConstructedInterpolants, 0 QuantifiedInterpolants, 3248 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1148 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 23 InterpolantComputations, 8 PerfectInterpolantSequences, 4025/4178 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: 13.5s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 361, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 318, TOOLS_POST_TIME: 1.7s, TOOLS_POST_CALL_APPLICATIONS: 264, TOOLS_POST_CALL_TIME: 7.9s, TOOLS_POST_RETURN_APPLICATIONS: 212, TOOLS_POST_RETURN_TIME: 1.3s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 794, TOOLS_QUANTIFIERELIM_TIME: 10.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 864, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 286, DOMAIN_JOIN_TIME: 1.7s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 361, DOMAIN_ISBOTTOM_TIME: 0.4s, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME: 8.6s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 8.6s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 212, CALL_SUMMARIZER_CACHE_MISSES: 4, 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: 0.2s, DAG_COMPRESSION_PROCESSED_NODES: 11488, DAG_COMPRESSION_RETAINED_NODES: 687, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((((((((((((((((!(urilen == cp) && urilen <= 1000000) && !((if cp < urilen + 1 then 1 else 0) == 0)) && scheme <= 999999) && 2 == unknown-#length-unknown[1]) && 9 == unknown-#length-unknown[2]) && 1 <= cp) && 0 < tokenlen) && \valid[1] == 1) && 0 <= scheme) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && tokenlen <= 1000000) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: urilen <= 2147483647 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: urilen <= 2147483647 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((urilen <= 1000000 && scheme <= 999999) && 2 == unknown-#length-unknown[1]) && 9 == unknown-#length-unknown[2]) && 1 <= cp) && 1 <= scheme) && 0 <= c) && 0 < tokenlen) && cp <= 2147483647) && c <= 1000000) && \valid[1] == 1) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && 1 <= urilen) && tokenlen <= 1000000) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((!(urilen == cp) && urilen <= 1000000) && !((if cp < urilen + 1 then 1 else 0) == 0)) && scheme <= 999999) && 2 == unknown-#length-unknown[1]) && 9 == unknown-#length-unknown[2]) && 1 <= cp) && 1 <= scheme) && 0 <= c) && 0 < tokenlen) && \valid[1] == 1) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && tokenlen <= 1000000) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-11-19 07:15:54,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18575deb-3bb2-41ca-95e4-0cd49c7b6279/bin/utaipan-I9t0OCRTmS/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