./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/java_Nested.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/java_Nested.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6f3c7109e3632c85dc9002b2a2bde96ba9bdc501efcd49505c298845bf1ea677 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:24:03,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:24:03,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:24:03,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:24:03,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:24:03,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:24:03,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:24:03,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:24:03,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:24:03,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:24:03,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:24:03,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:24:03,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:24:03,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:24:03,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:24:03,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:24:03,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:24:03,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:24:03,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:24:03,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:24:03,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:24:03,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:24:03,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:24:03,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:24:03,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:24:03,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:24:03,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:24:03,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:24:03,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:24:03,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:24:03,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:24:03,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:24:03,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:24:03,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:24:03,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:24:03,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:24:03,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:24:03,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:24:03,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:24:03,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:24:03,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:24:03,851 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:24:03,890 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:24:03,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:24:03,891 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:24:03,892 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:24:03,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:24:03,893 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:24:03,893 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:24:03,893 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:24:03,893 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:24:03,893 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:24:03,895 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:24:03,895 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:24:03,895 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:24:03,895 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:24:03,895 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:24:03,896 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:24:03,896 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:24:03,896 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:24:03,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:24:03,897 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:24:03,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:24:03,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:24:03,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:24:03,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:24:03,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:24:03,898 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:24:03,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:24:03,899 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:24:03,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:24:03,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:24:03,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:24:03,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:24:03,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:24:03,900 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:24:03,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:24:03,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:24:03,901 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:24:03,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:24:03,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:24:03,901 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:24:03,901 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_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f3c7109e3632c85dc9002b2a2bde96ba9bdc501efcd49505c298845bf1ea677 [2022-11-26 00:24:04,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:24:04,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:24:04,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:24:04,254 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:24:04,254 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:24:04,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/termination-restricted-15/java_Nested.c [2022-11-26 00:24:07,400 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:24:07,640 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:24:07,641 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/sv-benchmarks/c/termination-restricted-15/java_Nested.c [2022-11-26 00:24:07,646 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/data/247060579/02abff21662b4acab7b35c6de62e1b2f/FLAG55ce1e14f [2022-11-26 00:24:07,665 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/data/247060579/02abff21662b4acab7b35c6de62e1b2f [2022-11-26 00:24:07,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:24:07,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:24:07,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:24:07,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:24:07,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:24:07,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:24:07" (1/1) ... [2022-11-26 00:24:07,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a47ae60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:07, skipping insertion in model container [2022-11-26 00:24:07,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:24:07" (1/1) ... [2022-11-26 00:24:07,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:24:07,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:24:07,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:24:07,903 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:24:07,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:24:07,933 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:24:07,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:07 WrapperNode [2022-11-26 00:24:07,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:24:07,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:24:07,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:24:07,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:24:07,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:07" (1/1) ... [2022-11-26 00:24:07,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:07" (1/1) ... [2022-11-26 00:24:07,963 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2022-11-26 00:24:07,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:24:07,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:24:07,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:24:07,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:24:07,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:07" (1/1) ... [2022-11-26 00:24:07,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:07" (1/1) ... [2022-11-26 00:24:07,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:07" (1/1) ... [2022-11-26 00:24:07,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:07" (1/1) ... [2022-11-26 00:24:07,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:07" (1/1) ... [2022-11-26 00:24:07,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:07" (1/1) ... [2022-11-26 00:24:07,985 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:07" (1/1) ... [2022-11-26 00:24:07,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:07" (1/1) ... [2022-11-26 00:24:07,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:24:07,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:24:07,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:24:07,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:24:07,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:07" (1/1) ... [2022-11-26 00:24:08,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:24:08,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:24:08,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:24:08,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:24:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:24:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:24:08,170 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:24:08,173 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:24:08,338 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:24:08,376 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:24:08,376 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-26 00:24:08,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:24:08 BoogieIcfgContainer [2022-11-26 00:24:08,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:24:08,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:24:08,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:24:08,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:24:08,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:24:07" (1/3) ... [2022-11-26 00:24:08,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1a3d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:24:08, skipping insertion in model container [2022-11-26 00:24:08,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:07" (2/3) ... [2022-11-26 00:24:08,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1a3d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:24:08, skipping insertion in model container [2022-11-26 00:24:08,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:24:08" (3/3) ... [2022-11-26 00:24:08,388 INFO L112 eAbstractionObserver]: Analyzing ICFG java_Nested.c [2022-11-26 00:24:08,430 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:24:08,430 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-26 00:24:08,505 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:24:08,515 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;@11c9d066, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:24:08,515 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-26 00:24:08,520 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:08,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 00:24:08,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:08,527 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 00:24:08,528 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:24:08,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:08,533 INFO L85 PathProgramCache]: Analyzing trace with hash 2365646, now seen corresponding path program 1 times [2022-11-26 00:24:08,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:08,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139661914] [2022-11-26 00:24:08,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:08,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:08,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:24:08,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:08,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139661914] [2022-11-26 00:24:08,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139661914] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:24:08,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:24:08,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:24:08,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652383551] [2022-11-26 00:24:08,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:24:08,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:24:08,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:08,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:24:08,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:24:08,804 INFO L87 Difference]: Start difference. First operand has 20 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:08,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:08,886 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2022-11-26 00:24:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:24:08,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-26 00:24:08,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:08,898 INFO L225 Difference]: With dead ends: 48 [2022-11-26 00:24:08,898 INFO L226 Difference]: Without dead ends: 28 [2022-11-26 00:24:08,901 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 [2022-11-26 00:24:08,913 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 9 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:24:08,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 19 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:24:08,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-26 00:24:08,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2022-11-26 00:24:08,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 25 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:08,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2022-11-26 00:24:08,976 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 4 [2022-11-26 00:24:08,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:08,977 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2022-11-26 00:24:08,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:08,978 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-26 00:24:08,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 00:24:08,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:08,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 00:24:08,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:24:08,981 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:24:08,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:08,982 INFO L85 PathProgramCache]: Analyzing trace with hash 2364701, now seen corresponding path program 1 times [2022-11-26 00:24:08,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:08,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447849560] [2022-11-26 00:24:08,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:08,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:09,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:24:09,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:09,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447849560] [2022-11-26 00:24:09,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447849560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:24:09,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:24:09,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:24:09,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601535978] [2022-11-26 00:24:09,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:24:09,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:24:09,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:09,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:24:09,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:24:09,053 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:09,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:09,087 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2022-11-26 00:24:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:24:09,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-26 00:24:09,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:09,089 INFO L225 Difference]: With dead ends: 28 [2022-11-26 00:24:09,089 INFO L226 Difference]: Without dead ends: 27 [2022-11-26 00:24:09,089 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 [2022-11-26 00:24:09,091 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 5 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:24:09,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 20 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:24:09,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-26 00:24:09,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2022-11-26 00:24:09,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:09,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2022-11-26 00:24:09,097 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 4 [2022-11-26 00:24:09,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:09,097 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2022-11-26 00:24:09,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:09,098 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-11-26 00:24:09,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 00:24:09,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:09,099 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-26 00:24:09,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:24:09,099 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:24:09,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:09,100 INFO L85 PathProgramCache]: Analyzing trace with hash -2022487905, now seen corresponding path program 1 times [2022-11-26 00:24:09,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:09,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976807534] [2022-11-26 00:24:09,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:09,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:09,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:24:09,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:09,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976807534] [2022-11-26 00:24:09,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976807534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:24:09,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:24:09,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:24:09,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453434109] [2022-11-26 00:24:09,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:24:09,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:24:09,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:09,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:24:09,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:24:09,150 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:09,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:09,170 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2022-11-26 00:24:09,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:24:09,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-26 00:24:09,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:09,172 INFO L225 Difference]: With dead ends: 26 [2022-11-26 00:24:09,172 INFO L226 Difference]: Without dead ends: 25 [2022-11-26 00:24:09,172 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 [2022-11-26 00:24:09,175 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 13 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:24:09,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 14 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:24:09,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-26 00:24:09,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-26 00:24:09,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:09,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-11-26 00:24:09,187 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 6 [2022-11-26 00:24:09,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:09,188 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-11-26 00:24:09,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:09,189 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-26 00:24:09,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 00:24:09,190 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:09,190 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:24:09,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:24:09,191 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:24:09,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:09,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1727384443, now seen corresponding path program 1 times [2022-11-26 00:24:09,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:09,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308312909] [2022-11-26 00:24:09,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:09,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:09,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:24:09,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:09,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308312909] [2022-11-26 00:24:09,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308312909] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:24:09,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:24:09,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:24:09,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242606808] [2022-11-26 00:24:09,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:24:09,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:24:09,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:09,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:24:09,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:24:09,263 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:09,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:09,290 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2022-11-26 00:24:09,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:24:09,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-26 00:24:09,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:09,292 INFO L225 Difference]: With dead ends: 32 [2022-11-26 00:24:09,293 INFO L226 Difference]: Without dead ends: 31 [2022-11-26 00:24:09,293 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 [2022-11-26 00:24:09,295 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:24:09,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:24:09,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-26 00:24:09,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-11-26 00:24:09,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 30 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:09,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2022-11-26 00:24:09,308 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 7 [2022-11-26 00:24:09,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:09,310 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2022-11-26 00:24:09,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:09,310 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2022-11-26 00:24:09,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:24:09,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:09,311 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:24:09,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:24:09,312 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:24:09,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:09,312 INFO L85 PathProgramCache]: Analyzing trace with hash 2009310241, now seen corresponding path program 1 times [2022-11-26 00:24:09,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:09,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110641296] [2022-11-26 00:24:09,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:09,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:09,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:24:09,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:09,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110641296] [2022-11-26 00:24:09,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110641296] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:24:09,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:24:09,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:24:09,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979557420] [2022-11-26 00:24:09,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:24:09,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:24:09,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:09,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:24:09,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:24:09,398 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:09,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:09,446 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2022-11-26 00:24:09,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:24:09,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-26 00:24:09,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:09,448 INFO L225 Difference]: With dead ends: 31 [2022-11-26 00:24:09,449 INFO L226 Difference]: Without dead ends: 29 [2022-11-26 00:24:09,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:24:09,451 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 8 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:24:09,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 12 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:24:09,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-26 00:24:09,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-26 00:24:09,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 28 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:09,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2022-11-26 00:24:09,466 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 8 [2022-11-26 00:24:09,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:09,467 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2022-11-26 00:24:09,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:09,467 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-11-26 00:24:09,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-26 00:24:09,468 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:09,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:24:09,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:24:09,471 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:24:09,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:09,471 INFO L85 PathProgramCache]: Analyzing trace with hash 402247408, now seen corresponding path program 1 times [2022-11-26 00:24:09,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:09,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609742650] [2022-11-26 00:24:09,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:09,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:09,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:24:09,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:09,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609742650] [2022-11-26 00:24:09,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609742650] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:24:09,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:24:09,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:24:09,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740491538] [2022-11-26 00:24:09,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:24:09,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:24:09,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:09,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:24:09,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:24:09,532 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:09,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:09,544 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2022-11-26 00:24:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:24:09,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-26 00:24:09,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:09,545 INFO L225 Difference]: With dead ends: 29 [2022-11-26 00:24:09,545 INFO L226 Difference]: Without dead ends: 28 [2022-11-26 00:24:09,546 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 [2022-11-26 00:24:09,547 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 5 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:24:09,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 10 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:24:09,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-26 00:24:09,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-26 00:24:09,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 24 states have (on average 1.25) internal successors, (30), 27 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:09,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2022-11-26 00:24:09,552 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 11 [2022-11-26 00:24:09,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:09,553 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2022-11-26 00:24:09,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:09,553 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2022-11-26 00:24:09,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:24:09,554 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:09,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:24:09,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:24:09,554 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:24:09,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:09,555 INFO L85 PathProgramCache]: Analyzing trace with hash -415232171, now seen corresponding path program 1 times [2022-11-26 00:24:09,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:09,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928771054] [2022-11-26 00:24:09,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:09,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:09,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:24:09,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:09,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928771054] [2022-11-26 00:24:09,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928771054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:24:09,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:24:09,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:24:09,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842384335] [2022-11-26 00:24:09,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:24:09,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:24:09,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:09,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:24:09,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:24:09,590 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 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) [2022-11-26 00:24:09,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:09,607 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2022-11-26 00:24:09,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:24:09,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 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 [2022-11-26 00:24:09,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:09,608 INFO L225 Difference]: With dead ends: 43 [2022-11-26 00:24:09,608 INFO L226 Difference]: Without dead ends: 42 [2022-11-26 00:24:09,609 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 [2022-11-26 00:24:09,610 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 3 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21 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 [2022-11-26 00:24:09,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 21 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:24:09,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-26 00:24:09,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2022-11-26 00:24:09,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 38 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:09,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2022-11-26 00:24:09,616 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 12 [2022-11-26 00:24:09,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:09,617 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2022-11-26 00:24:09,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 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) [2022-11-26 00:24:09,617 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-11-26 00:24:09,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:24:09,618 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:09,618 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:24:09,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:24:09,618 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:24:09,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:09,619 INFO L85 PathProgramCache]: Analyzing trace with hash -415261481, now seen corresponding path program 1 times [2022-11-26 00:24:09,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:09,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241211015] [2022-11-26 00:24:09,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:09,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:09,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:24:09,647 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:09,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241211015] [2022-11-26 00:24:09,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241211015] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:24:09,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:24:09,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:24:09,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850470564] [2022-11-26 00:24:09,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:24:09,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:24:09,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:09,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:24:09,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:24:09,650 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:09,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:09,667 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2022-11-26 00:24:09,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:24:09,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:24:09,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:09,669 INFO L225 Difference]: With dead ends: 39 [2022-11-26 00:24:09,669 INFO L226 Difference]: Without dead ends: 37 [2022-11-26 00:24:09,669 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 [2022-11-26 00:24:09,670 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:24:09,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 10 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:24:09,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-26 00:24:09,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 29. [2022-11-26 00:24:09,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 28 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:09,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2022-11-26 00:24:09,676 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 12 [2022-11-26 00:24:09,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:09,677 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2022-11-26 00:24:09,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:09,677 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2022-11-26 00:24:09,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-26 00:24:09,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:09,678 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-26 00:24:09,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:24:09,678 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:24:09,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:09,679 INFO L85 PathProgramCache]: Analyzing trace with hash 365677081, now seen corresponding path program 1 times [2022-11-26 00:24:09,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:09,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087420642] [2022-11-26 00:24:09,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:09,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:09,734 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:24:09,734 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:09,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087420642] [2022-11-26 00:24:09,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087420642] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:24:09,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126693828] [2022-11-26 00:24:09,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:09,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:24:09,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:24:09,743 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:24:09,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:24:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:09,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:24:09,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:24:09,846 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:24:09,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:24:09,888 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:24:09,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126693828] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:24:09,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2039409957] [2022-11-26 00:24:09,908 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-26 00:24:09,908 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:24:09,912 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:24:09,918 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:24:09,919 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:24:10,135 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:24:10,452 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '716#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 2 |ULTIMATE.start_main_~j~0#1|) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-11-26 00:24:10,452 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:24:10,452 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:24:10,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2022-11-26 00:24:10,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072246077] [2022-11-26 00:24:10,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:24:10,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:24:10,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:10,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:24:10,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:24:10,456 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:10,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:10,489 INFO L93 Difference]: Finished difference Result 87 states and 100 transitions. [2022-11-26 00:24:10,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:24:10,490 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-26 00:24:10,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:10,491 INFO L225 Difference]: With dead ends: 87 [2022-11-26 00:24:10,491 INFO L226 Difference]: Without dead ends: 86 [2022-11-26 00:24:10,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:24:10,492 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 25 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:24:10,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 46 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:24:10,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-26 00:24:10,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2022-11-26 00:24:10,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 82 states have (on average 1.146341463414634) internal successors, (94), 83 states have internal predecessors, (94), 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) [2022-11-26 00:24:10,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 94 transitions. [2022-11-26 00:24:10,504 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 94 transitions. Word has length 14 [2022-11-26 00:24:10,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:10,505 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 94 transitions. [2022-11-26 00:24:10,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:10,505 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2022-11-26 00:24:10,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-26 00:24:10,506 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:10,506 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2022-11-26 00:24:10,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:24:10,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-26 00:24:10,720 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:24:10,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:10,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1769200146, now seen corresponding path program 1 times [2022-11-26 00:24:10,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:10,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856801266] [2022-11-26 00:24:10,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:10,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:10,756 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:24:10,756 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:10,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856801266] [2022-11-26 00:24:10,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856801266] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:24:10,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:24:10,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:24:10,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339509600] [2022-11-26 00:24:10,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:24:10,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:24:10,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:10,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:24:10,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:24:10,759 INFO L87 Difference]: Start difference. First operand 84 states and 94 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:10,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:10,769 INFO L93 Difference]: Finished difference Result 84 states and 94 transitions. [2022-11-26 00:24:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:24:10,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-26 00:24:10,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:10,771 INFO L225 Difference]: With dead ends: 84 [2022-11-26 00:24:10,771 INFO L226 Difference]: Without dead ends: 83 [2022-11-26 00:24:10,771 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 [2022-11-26 00:24:10,772 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:24:10,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 8 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:24:10,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-26 00:24:10,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2022-11-26 00:24:10,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 51 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:10,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2022-11-26 00:24:10,780 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 23 [2022-11-26 00:24:10,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:10,780 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2022-11-26 00:24:10,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2022-11-26 00:24:10,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-26 00:24:10,781 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:10,782 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 1, 1, 1] [2022-11-26 00:24:10,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:24:10,782 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:24:10,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:10,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1371586555, now seen corresponding path program 2 times [2022-11-26 00:24:10,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:10,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344764161] [2022-11-26 00:24:10,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:10,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:10,900 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:24:10,900 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:10,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344764161] [2022-11-26 00:24:10,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344764161] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:24:10,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898646409] [2022-11-26 00:24:10,901 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:24:10,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:24:10,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:24:10,907 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:24:10,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:24:10,961 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-26 00:24:10,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:24:10,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:24:10,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:24:11,069 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:24:11,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:24:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:24:11,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898646409] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:24:11,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [429535401] [2022-11-26 00:24:11,197 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-26 00:24:11,197 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:24:11,197 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:24:11,198 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:24:11,198 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:24:11,351 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:24:11,725 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1314#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 2 |ULTIMATE.start_main_~j~0#1|) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-11-26 00:24:11,725 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:24:11,725 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:24:11,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-26 00:24:11,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669606046] [2022-11-26 00:24:11,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:24:11,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:24:11,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:11,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:24:11,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:24:11,727 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 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) [2022-11-26 00:24:11,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:11,817 INFO L93 Difference]: Finished difference Result 119 states and 134 transitions. [2022-11-26 00:24:11,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:24:11,818 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-11-26 00:24:11,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:11,821 INFO L225 Difference]: With dead ends: 119 [2022-11-26 00:24:11,821 INFO L226 Difference]: Without dead ends: 118 [2022-11-26 00:24:11,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 86 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:24:11,823 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 69 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:24:11,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 89 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:24:11,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-26 00:24:11,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-11-26 00:24:11,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.0940170940170941) internal successors, (128), 117 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:11,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 128 transitions. [2022-11-26 00:24:11,852 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 128 transitions. Word has length 35 [2022-11-26 00:24:11,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:11,852 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 128 transitions. [2022-11-26 00:24:11,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 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) [2022-11-26 00:24:11,853 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 128 transitions. [2022-11-26 00:24:11,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-26 00:24:11,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:11,855 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 1, 1, 1] [2022-11-26 00:24:11,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:24:12,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-26 00:24:12,056 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:24:12,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:12,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1582553413, now seen corresponding path program 3 times [2022-11-26 00:24:12,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:12,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932046519] [2022-11-26 00:24:12,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:12,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:12,416 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:24:12,416 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:12,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932046519] [2022-11-26 00:24:12,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932046519] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:24:12,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547637810] [2022-11-26 00:24:12,417 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-26 00:24:12,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:24:12,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:24:12,419 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:24:12,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:24:12,489 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-26 00:24:12,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:24:12,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-26 00:24:12,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:24:12,733 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-26 00:24:12,734 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:24:12,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547637810] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:24:12,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:24:12,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [11] total 24 [2022-11-26 00:24:12,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364165236] [2022-11-26 00:24:12,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:24:12,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:24:12,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:12,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:24:12,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2022-11-26 00:24:12,738 INFO L87 Difference]: Start difference. First operand 118 states and 128 transitions. Second operand has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 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) [2022-11-26 00:24:12,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:12,897 INFO L93 Difference]: Finished difference Result 482 states and 537 transitions. [2022-11-26 00:24:12,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:24:12,897 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-11-26 00:24:12,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:12,901 INFO L225 Difference]: With dead ends: 482 [2022-11-26 00:24:12,901 INFO L226 Difference]: Without dead ends: 466 [2022-11-26 00:24:12,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2022-11-26 00:24:12,903 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 24 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:24:12,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 70 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:24:12,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2022-11-26 00:24:12,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 458. [2022-11-26 00:24:12,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 457 states have (on average 1.1334792122538293) internal successors, (518), 457 states have internal predecessors, (518), 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) [2022-11-26 00:24:12,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 518 transitions. [2022-11-26 00:24:12,953 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 518 transitions. Word has length 77 [2022-11-26 00:24:12,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:12,956 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 518 transitions. [2022-11-26 00:24:12,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 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) [2022-11-26 00:24:12,956 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 518 transitions. [2022-11-26 00:24:12,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-26 00:24:12,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:12,968 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 2, 1, 1, 1, 1, 1] [2022-11-26 00:24:12,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-26 00:24:13,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:24:13,173 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:24:13,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:13,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1502045668, now seen corresponding path program 1 times [2022-11-26 00:24:13,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:13,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016250347] [2022-11-26 00:24:13,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:13,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:13,307 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 132 proven. 9 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2022-11-26 00:24:13,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:13,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016250347] [2022-11-26 00:24:13,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016250347] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:24:13,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274669612] [2022-11-26 00:24:13,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:13,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:24:13,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:24:13,309 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:24:13,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:24:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:13,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:24:13,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:24:13,414 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 132 proven. 9 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2022-11-26 00:24:13,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:24:13,470 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 132 proven. 9 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2022-11-26 00:24:13,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274669612] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:24:13,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [808562174] [2022-11-26 00:24:13,472 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-26 00:24:13,473 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:24:13,473 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:24:13,473 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:24:13,473 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:24:13,770 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:24:14,180 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3459#(and (<= 2 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-11-26 00:24:14,181 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:24:14,181 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:24:14,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-11-26 00:24:14,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628832013] [2022-11-26 00:24:14,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:24:14,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:24:14,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:14,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:24:14,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:24:14,183 INFO L87 Difference]: Start difference. First operand 458 states and 518 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:14,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:14,246 INFO L93 Difference]: Finished difference Result 605 states and 682 transitions. [2022-11-26 00:24:14,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:24:14,247 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-11-26 00:24:14,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:14,248 INFO L225 Difference]: With dead ends: 605 [2022-11-26 00:24:14,248 INFO L226 Difference]: Without dead ends: 213 [2022-11-26 00:24:14,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 221 SyntacticMatches, 11 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:24:14,256 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 19 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:24:14,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 35 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:24:14,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2022-11-26 00:24:14,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 208. [2022-11-26 00:24:14,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 207 states have (on average 1.0724637681159421) internal successors, (222), 207 states have internal predecessors, (222), 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) [2022-11-26 00:24:14,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 222 transitions. [2022-11-26 00:24:14,270 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 222 transitions. Word has length 81 [2022-11-26 00:24:14,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:14,270 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 222 transitions. [2022-11-26 00:24:14,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:14,271 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 222 transitions. [2022-11-26 00:24:14,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-26 00:24:14,271 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:14,272 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 2, 1, 1, 1, 1, 1] [2022-11-26 00:24:14,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:24:14,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-26 00:24:14,477 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:24:14,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:14,478 INFO L85 PathProgramCache]: Analyzing trace with hash 603999588, now seen corresponding path program 2 times [2022-11-26 00:24:14,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:14,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256686317] [2022-11-26 00:24:14,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:14,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:14,671 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 204 proven. 111 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-26 00:24:14,671 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:14,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256686317] [2022-11-26 00:24:14,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256686317] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:24:14,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219190609] [2022-11-26 00:24:14,672 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:24:14,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:24:14,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:24:14,673 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:24:14,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:24:14,737 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-11-26 00:24:14,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:24:14,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-26 00:24:14,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:24:14,813 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 204 proven. 111 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-26 00:24:14,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:24:14,973 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 204 proven. 111 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-26 00:24:14,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219190609] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:24:14,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [45389659] [2022-11-26 00:24:14,975 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-26 00:24:14,976 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:24:14,976 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:24:14,976 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:24:14,976 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:24:15,178 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:24:15,697 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4909#(and (<= 2 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-11-26 00:24:15,697 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:24:15,697 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:24:15,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 12 [2022-11-26 00:24:15,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195589841] [2022-11-26 00:24:15,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:24:15,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:24:15,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:15,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:24:15,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:24:15,699 INFO L87 Difference]: Start difference. First operand 208 states and 222 transitions. Second operand has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 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) [2022-11-26 00:24:15,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:15,797 INFO L93 Difference]: Finished difference Result 284 states and 301 transitions. [2022-11-26 00:24:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:24:15,798 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-11-26 00:24:15,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:15,799 INFO L225 Difference]: With dead ends: 284 [2022-11-26 00:24:15,799 INFO L226 Difference]: Without dead ends: 150 [2022-11-26 00:24:15,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 216 SyntacticMatches, 22 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:24:15,800 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 23 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:24:15,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 35 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:24:15,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-11-26 00:24:15,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 142. [2022-11-26 00:24:15,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.0638297872340425) internal successors, (150), 141 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:15,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 150 transitions. [2022-11-26 00:24:15,809 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 150 transitions. Word has length 81 [2022-11-26 00:24:15,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:15,809 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 150 transitions. [2022-11-26 00:24:15,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 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) [2022-11-26 00:24:15,810 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2022-11-26 00:24:15,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-26 00:24:15,810 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:15,811 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 2, 1, 1, 1, 1, 1] [2022-11-26 00:24:15,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-26 00:24:16,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-26 00:24:16,017 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:24:16,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:16,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1410955406, now seen corresponding path program 3 times [2022-11-26 00:24:16,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:16,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055657892] [2022-11-26 00:24:16,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:16,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:16,232 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:24:16,233 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:16,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055657892] [2022-11-26 00:24:16,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055657892] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:24:16,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252637746] [2022-11-26 00:24:16,233 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-26 00:24:16,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:24:16,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:24:16,235 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:24:16,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-26 00:24:16,294 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-26 00:24:16,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:24:16,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-26 00:24:16,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:24:16,443 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:24:16,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:24:16,752 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:24:16,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252637746] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:24:16,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [248572940] [2022-11-26 00:24:16,754 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-26 00:24:16,754 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:24:16,755 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:24:16,755 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:24:16,755 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:24:16,915 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:24:17,375 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5918#(and (<= 2 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-11-26 00:24:17,376 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:24:17,376 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:24:17,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2022-11-26 00:24:17,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356966655] [2022-11-26 00:24:17,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:24:17,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-26 00:24:17,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:17,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-26 00:24:17,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=690, Unknown=0, NotChecked=0, Total=992 [2022-11-26 00:24:17,378 INFO L87 Difference]: Start difference. First operand 142 states and 150 transitions. Second operand has 24 states, 23 states have (on average 7.043478260869565) internal successors, (162), 23 states have internal predecessors, (162), 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) [2022-11-26 00:24:17,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:17,488 INFO L93 Difference]: Finished difference Result 231 states and 250 transitions. [2022-11-26 00:24:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-26 00:24:17,489 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 7.043478260869565) internal successors, (162), 23 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-11-26 00:24:17,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:17,490 INFO L225 Difference]: With dead ends: 231 [2022-11-26 00:24:17,490 INFO L226 Difference]: Without dead ends: 230 [2022-11-26 00:24:17,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 211 SyntacticMatches, 11 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=302, Invalid=690, Unknown=0, NotChecked=0, Total=992 [2022-11-26 00:24:17,491 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 6 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:24:17,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 143 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:24:17,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-11-26 00:24:17,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2022-11-26 00:24:17,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 229 states have (on average 1.039301310043668) internal successors, (238), 229 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:17,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 238 transitions. [2022-11-26 00:24:17,503 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 238 transitions. Word has length 81 [2022-11-26 00:24:17,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:17,503 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 238 transitions. [2022-11-26 00:24:17,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 7.043478260869565) internal successors, (162), 23 states have internal predecessors, (162), 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) [2022-11-26 00:24:17,504 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 238 transitions. [2022-11-26 00:24:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-26 00:24:17,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:17,505 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 3, 2, 2, 2, 1, 1] [2022-11-26 00:24:17,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-26 00:24:17,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:24:17,719 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:24:17,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:17,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1198210715, now seen corresponding path program 4 times [2022-11-26 00:24:17,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:17,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758255497] [2022-11-26 00:24:17,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:17,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:18,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1779 backedges. 0 proven. 1777 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:24:18,564 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:18,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758255497] [2022-11-26 00:24:18,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758255497] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:24:18,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149323715] [2022-11-26 00:24:18,565 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-26 00:24:18,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:24:18,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:24:18,566 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:24:18,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-26 00:24:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:18,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-26 00:24:18,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:24:18,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1779 backedges. 0 proven. 1777 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:24:18,893 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:24:19,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1779 backedges. 0 proven. 1777 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:24:19,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149323715] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:24:19,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1665929579] [2022-11-26 00:24:19,944 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-26 00:24:19,945 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:24:19,945 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:24:19,945 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:24:19,945 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:24:20,144 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:24:21,188 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7519#(and (<= 2 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-11-26 00:24:21,188 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:24:21,188 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:24:21,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46 [2022-11-26 00:24:21,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787565239] [2022-11-26 00:24:21,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:24:21,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-11-26 00:24:21,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:21,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-11-26 00:24:21,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1154, Invalid=1926, Unknown=0, NotChecked=0, Total=3080 [2022-11-26 00:24:21,192 INFO L87 Difference]: Start difference. First operand 230 states and 238 transitions. Second operand has 48 states, 47 states have (on average 7.191489361702128) internal successors, (338), 47 states have internal predecessors, (338), 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) [2022-11-26 00:24:21,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:21,398 INFO L93 Difference]: Finished difference Result 411 states and 442 transitions. [2022-11-26 00:24:21,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-26 00:24:21,399 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 7.191489361702128) internal successors, (338), 47 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 169 [2022-11-26 00:24:21,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:21,401 INFO L225 Difference]: With dead ends: 411 [2022-11-26 00:24:21,401 INFO L226 Difference]: Without dead ends: 410 [2022-11-26 00:24:21,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 451 SyntacticMatches, 23 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2152 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1154, Invalid=1926, Unknown=0, NotChecked=0, Total=3080 [2022-11-26 00:24:21,403 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 26 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:24:21,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 290 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:24:21,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-11-26 00:24:21,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2022-11-26 00:24:21,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 409 states have (on average 1.02200488997555) internal successors, (418), 409 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:21,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 418 transitions. [2022-11-26 00:24:21,421 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 418 transitions. Word has length 169 [2022-11-26 00:24:21,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:21,422 INFO L495 AbstractCegarLoop]: Abstraction has 410 states and 418 transitions. [2022-11-26 00:24:21,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 7.191489361702128) internal successors, (338), 47 states have internal predecessors, (338), 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) [2022-11-26 00:24:21,422 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 418 transitions. [2022-11-26 00:24:21,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-11-26 00:24:21,430 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:21,430 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 46, 46, 6, 5, 5, 5, 1, 1] [2022-11-26 00:24:21,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-26 00:24:21,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-26 00:24:21,637 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:24:21,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:21,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1382603954, now seen corresponding path program 5 times [2022-11-26 00:24:21,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:21,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904692943] [2022-11-26 00:24:21,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:21,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:24,470 INFO L134 CoverageAnalysis]: Checked inductivity of 7755 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:24:24,470 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:24,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904692943] [2022-11-26 00:24:24,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904692943] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:24:24,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917677139] [2022-11-26 00:24:24,471 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:24:24,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:24:24,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:24:24,475 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:24:24,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-26 00:24:24,664 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 47 check-sat command(s) [2022-11-26 00:24:24,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:24:24,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-26 00:24:24,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:24:25,236 INFO L134 CoverageAnalysis]: Checked inductivity of 7755 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:24:25,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:24:28,664 INFO L134 CoverageAnalysis]: Checked inductivity of 7755 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:24:28,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917677139] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:24:28,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1329342822] [2022-11-26 00:24:28,666 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-26 00:24:28,667 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:24:28,667 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:24:28,667 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:24:28,667 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:24:28,829 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:24:31,620 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '10668#(and (<= 2 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-11-26 00:24:31,620 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:24:31,620 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:24:31,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 94 [2022-11-26 00:24:31,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70583116] [2022-11-26 00:24:31,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:24:31,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-11-26 00:24:31,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:31,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-11-26 00:24:31,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4586, Invalid=6126, Unknown=0, NotChecked=0, Total=10712 [2022-11-26 00:24:31,629 INFO L87 Difference]: Start difference. First operand 410 states and 418 transitions. Second operand has 96 states, 95 states have (on average 7.347368421052631) internal successors, (698), 95 states have internal predecessors, (698), 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) [2022-11-26 00:24:32,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:32,186 INFO L93 Difference]: Finished difference Result 767 states and 822 transitions. [2022-11-26 00:24:32,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-11-26 00:24:32,187 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 7.347368421052631) internal successors, (698), 95 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 349 [2022-11-26 00:24:32,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:32,190 INFO L225 Difference]: With dead ends: 767 [2022-11-26 00:24:32,191 INFO L226 Difference]: Without dead ends: 766 [2022-11-26 00:24:32,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1092 GetRequests, 943 SyntacticMatches, 47 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7792 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=4586, Invalid=6126, Unknown=0, NotChecked=0, Total=10712 [2022-11-26 00:24:32,194 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 22 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:24:32,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 572 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:24:32,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2022-11-26 00:24:32,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 766. [2022-11-26 00:24:32,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 765 states have (on average 1.011764705882353) internal successors, (774), 765 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:24:32,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 774 transitions. [2022-11-26 00:24:32,223 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 774 transitions. Word has length 349 [2022-11-26 00:24:32,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:32,223 INFO L495 AbstractCegarLoop]: Abstraction has 766 states and 774 transitions. [2022-11-26 00:24:32,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 7.347368421052631) internal successors, (698), 95 states have internal predecessors, (698), 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) [2022-11-26 00:24:32,224 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 774 transitions. [2022-11-26 00:24:32,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2022-11-26 00:24:32,242 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:32,243 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 94, 94, 94, 11, 10, 10, 10, 1, 1] [2022-11-26 00:24:32,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-26 00:24:32,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-26 00:24:32,449 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:24:32,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:32,449 INFO L85 PathProgramCache]: Analyzing trace with hash 763791643, now seen corresponding path program 6 times [2022-11-26 00:24:32,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:32,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248989561] [2022-11-26 00:24:32,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:32,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:42,610 INFO L134 CoverageAnalysis]: Checked inductivity of 32207 backedges. 0 proven. 32197 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-26 00:24:42,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:42,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248989561] [2022-11-26 00:24:42,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248989561] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:24:42,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849298725] [2022-11-26 00:24:42,611 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-26 00:24:42,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:24:42,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:24:42,615 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:24:42,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-26 00:24:42,865 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-26 00:24:42,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:24:42,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 1318 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-26 00:24:42,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:24:44,383 INFO L134 CoverageAnalysis]: Checked inductivity of 32207 backedges. 29535 proven. 0 refuted. 0 times theorem prover too weak. 2672 trivial. 0 not checked. [2022-11-26 00:24:44,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:24:44,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849298725] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:24:44,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:24:44,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [95] total 107 [2022-11-26 00:24:44,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138365641] [2022-11-26 00:24:44,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:24:44,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:24:44,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:44,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:24:44,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4733, Invalid=6823, Unknown=0, NotChecked=0, Total=11556 [2022-11-26 00:24:44,389 INFO L87 Difference]: Start difference. First operand 766 states and 774 transitions. Second operand has 13 states, 13 states have (on average 9.23076923076923) internal successors, (120), 12 states have internal predecessors, (120), 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) [2022-11-26 00:24:44,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:44,486 INFO L93 Difference]: Finished difference Result 766 states and 774 transitions. [2022-11-26 00:24:44,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:24:44,487 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.23076923076923) internal successors, (120), 12 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 705 [2022-11-26 00:24:44,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:44,491 INFO L225 Difference]: With dead ends: 766 [2022-11-26 00:24:44,491 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:24:44,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 799 GetRequests, 693 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=4733, Invalid=6823, Unknown=0, NotChecked=0, Total=11556 [2022-11-26 00:24:44,500 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:24:44,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 203 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:24:44,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:24:44,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:24:44,501 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) [2022-11-26 00:24:44,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:24:44,501 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 705 [2022-11-26 00:24:44,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:44,502 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:24:44,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.23076923076923) internal successors, (120), 12 states have internal predecessors, (120), 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) [2022-11-26 00:24:44,502 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:24:44,502 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:24:44,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-26 00:24:44,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-26 00:24:44,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-26 00:24:44,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-26 00:24:44,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-26 00:24:44,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-26 00:24:44,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-26 00:24:44,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-26 00:24:44,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-26 00:24:44,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-26 00:24:44,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-26 00:24:49,215 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2022-11-26 00:24:49,215 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-26 00:24:49,216 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2022-11-26 00:24:49,216 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2022-11-26 00:24:49,216 INFO L899 garLoopResultBuilder]: For program point L17(line 17) no Hoare annotation was computed. [2022-11-26 00:24:49,216 INFO L899 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2022-11-26 00:24:49,216 INFO L899 garLoopResultBuilder]: For program point L15-1(line 15) no Hoare annotation was computed. [2022-11-26 00:24:49,216 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2022-11-26 00:24:49,216 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2022-11-26 00:24:49,216 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2022-11-26 00:24:49,216 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2022-11-26 00:24:49,216 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2022-11-26 00:24:49,216 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-26 00:24:49,216 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2022-11-26 00:24:49,217 INFO L899 garLoopResultBuilder]: For program point L14(line 14) no Hoare annotation was computed. [2022-11-26 00:24:49,217 INFO L899 garLoopResultBuilder]: For program point L14-1(line 14) no Hoare annotation was computed. [2022-11-26 00:24:49,219 INFO L895 garLoopResultBuilder]: At program point L12-2(lines 12 16) the Hoare annotation is: (let ((.cse19 (<= |ULTIMATE.start_main_~c~0#1| 9)) (.cse21 (<= |ULTIMATE.start_main_~c~0#1| 18)) (.cse26 (<= |ULTIMATE.start_main_~i~0#1| 0)) (.cse29 (< |ULTIMATE.start_main_~c~0#1| 2147483635)) (.cse27 (< |ULTIMATE.start_main_~c~0#1| 2147483617)) (.cse31 (<= |ULTIMATE.start_main_~c~0#1| 45)) (.cse14 (<= 7 |ULTIMATE.start_main_~j~0#1|)) (.cse4 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse23 (<= |ULTIMATE.start_main_~c~0#1| 36)) (.cse16 (<= 5 |ULTIMATE.start_main_~j~0#1|)) (.cse28 (< |ULTIMATE.start_main_~c~0#1| 2147483608)) (.cse30 (<= |ULTIMATE.start_main_~c~0#1| 27)) (.cse11 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (.cse6 (<= 5 |ULTIMATE.start_main_~i~0#1|)) (.cse12 (<= 7 |ULTIMATE.start_main_~i~0#1|)) (.cse24 (< |ULTIMATE.start_main_~c~0#1| 2147483626)) (.cse9 (<= 11 |ULTIMATE.start_main_~j~0#1|)) (.cse22 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (.cse13 (<= 8 |ULTIMATE.start_main_~j~0#1|)) (.cse15 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (.cse18 (<= 12 |ULTIMATE.start_main_~j~0#1|)) (.cse7 (<= 6 |ULTIMATE.start_main_~j~0#1|)) (.cse8 (<= 9 |ULTIMATE.start_main_~i~0#1|)) (.cse17 (<= 4 |ULTIMATE.start_main_~j~0#1|)) (.cse10 (<= 9 |ULTIMATE.start_main_~j~0#1|)) (.cse25 (<= 3 |ULTIMATE.start_main_~i~0#1|)) (.cse0 (<= 3 |ULTIMATE.start_main_~j~0#1|)) (.cse20 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse1 (<= 10 |ULTIMATE.start_main_~j~0#1|)) (.cse2 (<= 0 |ULTIMATE.start_main_~c~0#1|)) (.cse3 (<= 0 |ULTIMATE.start_main_~i~0#1|)) (.cse5 (<= |ULTIMATE.start_main_~i~0#1| 9))) (or (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 25) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 7) .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483602) .cse6 .cse2 .cse3 .cse7 .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483643) .cse2 .cse3 .cse8 .cse5 .cse9) (and .cse0 .cse10 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 6) .cse5) (and .cse0 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483634) .cse5 .cse11 .cse9) (and .cse0 .cse12 .cse1 .cse2 (< |ULTIMATE.start_main_~c~0#1| 2147483624) .cse3 .cse5) (and .cse13 .cse0 .cse12 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483622) .cse5) (and .cse0 .cse14 (< |ULTIMATE.start_main_~c~0#1| 2147483612) .cse2 .cse3 .cse5 .cse15) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483610) .cse16 .cse2 .cse3 .cse5 .cse15) (and (< |ULTIMATE.start_main_~c~0#1| 2147483616) .cse0 .cse2 .cse3 .cse5 .cse15 .cse9) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 19) .cse2 .cse3 .cse4 .cse5 .cse17) (and .cse0 .cse10 (< |ULTIMATE.start_main_~c~0#1| 2147483614) .cse2 .cse3 .cse5 .cse15) (and .cse0 .cse2 .cse3 .cse18 .cse19 .cse5) (and .cse0 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 26) .cse4 .cse5 .cse9) (and (<= |ULTIMATE.start_main_~c~0#1| 21) .cse0 .cse2 .cse3 .cse7 .cse4 .cse5) (and .cse2 .cse3 .cse7 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 3)) (and .cse0 .cse20 .cse2 .cse3 .cse18 .cse21 .cse5) (and .cse0 .cse14 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 40) .cse5 .cse22) (and .cse0 .cse23 .cse2 .cse5 .cse22) (and .cse0 .cse14 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483630) .cse5 .cse11) (and .cse0 .cse12 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483625) .cse5 .cse9) (and .cse0 .cse2 .cse5 .cse24 .cse11) (and .cse0 .cse14 .cse6 .cse2 .cse3 .cse5 (< |ULTIMATE.start_main_~c~0#1| 2147483603)) (and .cse0 .cse6 .cse2 .cse3 .cse5 .cse17 (<= |ULTIMATE.start_main_~c~0#1| 46)) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483607) .cse6 .cse2 .cse3 .cse5 .cse9) (and .cse0 .cse14 .cse2 .cse25 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 31) .cse5) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 37) .cse2 .cse3 .cse5 .cse17 .cse22) (and (<= |ULTIMATE.start_main_~c~0#1| 43) .cse0 .cse1 .cse2 .cse3 .cse5 .cse22) (and .cse26 (<= |ULTIMATE.start_main_~c~0#1| 1) .cse2 .cse3 .cse17) (and .cse0 .cse20 .cse2 .cse19 .cse5) (and .cse0 .cse16 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483628) .cse5 .cse11) (and .cse0 .cse10 (<= |ULTIMATE.start_main_~c~0#1| 24) .cse2 .cse3 .cse4 .cse5) (and .cse13 .cse0 .cse6 .cse2 .cse3 .cse5 (< |ULTIMATE.start_main_~c~0#1| 2147483604)) (and .cse0 .cse16 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 20) .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse18 .cse5 .cse15 .cse27) (and .cse0 .cse1 .cse2 .cse25 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 34)) (and .cse0 .cse1 .cse2 .cse3 .cse8 (< |ULTIMATE.start_main_~c~0#1| 2147483642) .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483627) .cse2 .cse3 .cse5 .cse17 .cse11) (and .cse0 .cse2 .cse4 .cse21 .cse5) (and .cse0 .cse20 .cse2 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 17) .cse9) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 38) .cse16 .cse2 .cse3 .cse5 .cse22) (and .cse0 .cse6 .cse2 .cse3 .cse18 .cse28 .cse5) (and .cse0 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483609) .cse5 .cse17 .cse15) (and .cse26 .cse16 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 2)) (and .cse0 .cse12 (< |ULTIMATE.start_main_~c~0#1| 2147483619) .cse16 .cse2 .cse3 .cse5) (and .cse0 .cse26 .cse2 (<= |ULTIMATE.start_main_~c~0#1| 0) .cse3) (and .cse0 .cse20 .cse14 .cse2 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 13)) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483611) .cse2 .cse3 .cse7 .cse5 .cse15) (and .cse0 .cse12 (< |ULTIMATE.start_main_~c~0#1| 2147483620) .cse2 .cse3 .cse7 .cse5) (and .cse29 .cse0 .cse2 .cse3 .cse18 .cse5 .cse11) (and .cse0 .cse12 .cse14 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483621) .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483615) .cse1 .cse2 .cse3 .cse5 .cse15) (and .cse0 .cse6 (< |ULTIMATE.start_main_~c~0#1| 2147483601) .cse16 .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse2 (< |ULTIMATE.start_main_~c~0#1| 2147483633) .cse3 .cse5 .cse11) (and .cse29 .cse0 .cse2 .cse8 .cse5) (and (<= |ULTIMATE.start_main_~c~0#1| 5) .cse13 .cse0 .cse2 .cse3 .cse5) (and (<= |ULTIMATE.start_main_~c~0#1| 42) .cse0 .cse10 .cse2 .cse3 .cse5 .cse22) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483641) .cse10 .cse2 .cse3 .cse8 .cse5) (and .cse0 .cse30 .cse2 .cse3 .cse18 .cse4 .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483629) .cse2 .cse3 .cse7 .cse5 .cse11) (and .cse13 .cse0 .cse20 (<= |ULTIMATE.start_main_~c~0#1| 14) .cse2 .cse3 .cse5) (and .cse0 .cse20 (<= |ULTIMATE.start_main_~c~0#1| 10) .cse2 .cse3 .cse5 .cse17) (and .cse0 .cse20 .cse16 .cse2 (<= |ULTIMATE.start_main_~c~0#1| 11) .cse3 .cse5) (and (<= |ULTIMATE.start_main_~c~0#1| 4) .cse0 .cse14 .cse2 .cse3 .cse5) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 39) .cse2 .cse3 .cse7 .cse5 .cse22) (and .cse0 .cse12 .cse2 .cse3 .cse5 .cse17 (< |ULTIMATE.start_main_~c~0#1| 2147483618)) (and .cse0 .cse20 .cse2 .cse3 .cse7 (<= |ULTIMATE.start_main_~c~0#1| 12) .cse5) (and .cse0 .cse16 .cse2 .cse25 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 29)) (and .cse0 .cse6 .cse31 .cse2 .cse5) (and .cse13 .cse0 .cse2 .cse3 .cse5 .cse11 (< |ULTIMATE.start_main_~c~0#1| 2147483631)) (and .cse0 .cse2 .cse25 .cse3 .cse7 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 30)) (and .cse0 .cse2 .cse3 .cse8 .cse5 .cse17 (< |ULTIMATE.start_main_~c~0#1| 2147483636)) (and .cse13 .cse0 .cse2 .cse25 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 32)) (and .cse0 .cse12 .cse2 .cse5 .cse27) (and .cse0 .cse14 (<= |ULTIMATE.start_main_~c~0#1| 22) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse12 .cse10 (< |ULTIMATE.start_main_~c~0#1| 2147483623) .cse2 .cse3 .cse5) (and .cse0 .cse31 .cse2 .cse3 .cse18 .cse5 .cse22) (and .cse0 .cse14 (< |ULTIMATE.start_main_~c~0#1| 2147483639) .cse2 .cse3 .cse8 .cse5) (and .cse13 .cse0 .cse2 (<= |ULTIMATE.start_main_~c~0#1| 23) .cse3 .cse4 .cse5) (and .cse0 .cse23 .cse2 .cse25 .cse3 .cse18 .cse5) (and .cse0 .cse10 .cse6 (< |ULTIMATE.start_main_~c~0#1| 2147483605) .cse2 .cse3 .cse5) (and .cse0 .cse20 .cse10 (<= |ULTIMATE.start_main_~c~0#1| 15) .cse2 .cse3 .cse5) (and .cse0 .cse2 (<= |ULTIMATE.start_main_~c~0#1| 8) .cse3 .cse5 .cse9) (and .cse0 .cse16 .cse2 .cse3 .cse8 (< |ULTIMATE.start_main_~c~0#1| 2147483637) .cse5) (and .cse0 .cse2 .cse28 .cse5 .cse15) (and .cse0 .cse30 .cse2 .cse25 .cse5) (and .cse0 .cse10 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483632) .cse5 .cse11) (and .cse0 .cse6 .cse1 .cse2 (< |ULTIMATE.start_main_~c~0#1| 2147483606) .cse3 .cse5) (and .cse0 .cse12 .cse2 .cse3 .cse18 .cse5 .cse24) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 35) .cse2 .cse25 .cse3 .cse5 .cse9) (and .cse0 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 44) .cse5 .cse22 .cse9) (and .cse13 .cse0 .cse2 .cse3 .cse5 .cse22 (<= |ULTIMATE.start_main_~c~0#1| 41)) (and .cse13 .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483640) .cse2 .cse3 .cse8 .cse5) (and .cse13 .cse0 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483613) .cse5 .cse15) (and .cse0 .cse2 .cse3 .cse18 (< |ULTIMATE.start_main_~c~0#1| 2147483644) .cse8 .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483638) .cse2 .cse3 .cse7 .cse8 .cse5) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 28) .cse2 .cse25 .cse3 .cse5 .cse17) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 33) .cse10 .cse2 .cse25 .cse3 .cse5) (and .cse0 .cse20 .cse1 .cse2 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 16)))) [2022-11-26 00:24:49,219 INFO L899 garLoopResultBuilder]: For program point L12-3(lines 12 16) no Hoare annotation was computed. [2022-11-26 00:24:49,219 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2022-11-26 00:24:49,220 INFO L895 garLoopResultBuilder]: At program point L10-2(lines 10 18) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~c~0#1|)) (.cse1 (<= 12 |ULTIMATE.start_main_~j~0#1|))) (or (and .cse0 .cse1 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 18)) (and (<= 5 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 45) .cse0 .cse1) (and (<= |ULTIMATE.start_main_~i~0#1| 0) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)) (and (<= 10 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483644)) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~c~0#1| 9)) (and .cse0 .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483608) (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 36) .cse0 .cse1 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 27) .cse0 (<= 3 |ULTIMATE.start_main_~i~0#1|) .cse1) (and .cse0 .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483626) (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and (<= 7 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483617)) (and (< |ULTIMATE.start_main_~c~0#1| 2147483635) .cse0 .cse1 (<= 9 |ULTIMATE.start_main_~i~0#1|)))) [2022-11-26 00:24:49,224 INFO L445 BasicCegarLoop]: Path program histogram: [6, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:24:49,226 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:24:49,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:24:49 BoogieIcfgContainer [2022-11-26 00:24:49,274 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:24:49,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:24:49,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:24:49,275 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:24:49,275 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:24:08" (3/4) ... [2022-11-26 00:24:49,278 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 00:24:49,287 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-26 00:24:49,288 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-26 00:24:49,288 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-26 00:24:49,324 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:24:49,324 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:24:49,325 INFO L158 Benchmark]: Toolchain (without parser) took 41654.83ms. Allocated memory was 138.4MB in the beginning and 671.1MB in the end (delta: 532.7MB). Free memory was 74.0MB in the beginning and 590.4MB in the end (delta: -516.4MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2022-11-26 00:24:49,325 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:24:49,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.90ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 73.8MB in the beginning and 140.1MB in the end (delta: -66.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2022-11-26 00:24:49,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.48ms. Allocated memory is still 172.0MB. Free memory was 140.1MB in the beginning and 139.3MB in the end (delta: 782.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:24:49,326 INFO L158 Benchmark]: Boogie Preprocessor took 21.49ms. Allocated memory is still 172.0MB. Free memory was 139.3MB in the beginning and 138.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:24:49,326 INFO L158 Benchmark]: RCFGBuilder took 390.97ms. Allocated memory is still 172.0MB. Free memory was 138.2MB in the beginning and 127.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:24:49,327 INFO L158 Benchmark]: TraceAbstraction took 40892.36ms. Allocated memory was 172.0MB in the beginning and 671.1MB in the end (delta: 499.1MB). Free memory was 127.7MB in the beginning and 592.5MB in the end (delta: -464.8MB). Peak memory consumption was 393.8MB. Max. memory is 16.1GB. [2022-11-26 00:24:49,327 INFO L158 Benchmark]: Witness Printer took 50.03ms. Allocated memory is still 671.1MB. Free memory was 592.5MB in the beginning and 590.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:24:49,329 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.90ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 73.8MB in the beginning and 140.1MB in the end (delta: -66.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.48ms. Allocated memory is still 172.0MB. Free memory was 140.1MB in the beginning and 139.3MB in the end (delta: 782.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.49ms. Allocated memory is still 172.0MB. Free memory was 139.3MB in the beginning and 138.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 390.97ms. Allocated memory is still 172.0MB. Free memory was 138.2MB in the beginning and 127.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 40892.36ms. Allocated memory was 172.0MB in the beginning and 671.1MB in the end (delta: 499.1MB). Free memory was 127.7MB in the beginning and 592.5MB in the end (delta: -464.8MB). Peak memory consumption was 393.8MB. Max. memory is 16.1GB. * Witness Printer took 50.03ms. Allocated memory is still 671.1MB. Free memory was 592.5MB in the beginning and 590.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 40.7s, OverallIterations: 18, TraceHistogramMax: 95, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.1s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 262 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 262 mSDsluCounter, 1626 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1369 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 918 IncrementalHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 257 mSDtfsCounter, 918 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3428 GetRequests, 2921 SyntacticMatches, 121 SemanticMatches, 386 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12502 ImplicationChecksByTransitivity, 15.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=766occurred in iteration=17, InterpolantAutomatonStates: 262, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 18 MinimizatonAttempts, 68 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 113 NumberOfFragments, 2249 HoareAnnotationTreeSize, 2 FomulaSimplifications, 633 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 2 FomulaSimplificationsInter, 1647 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 22.9s InterpolantComputationTime, 3271 NumberOfCodeBlocks, 3271 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 4047 ConstructedInterpolants, 0 QuantifiedInterpolants, 11389 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2995 ConjunctsInSsa, 145 ConjunctsInUnsatCore, 34 InterpolantComputations, 11 PerfectInterpolantSequences, 34528/97360 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((3 <= j && c <= 25) && 10 <= j) && 0 <= c) && 0 <= i) && 2 <= i) && i <= 9) || (((((3 <= j && 10 <= j) && 0 <= c) && 0 <= i) && c <= 7) && i <= 9)) || ((((((3 <= j && c < 2147483602) && 5 <= i) && 0 <= c) && 0 <= i) && 6 <= j) && i <= 9)) || ((((((3 <= j && c < 2147483643) && 0 <= c) && 0 <= i) && 9 <= i) && i <= 9) && 11 <= j)) || (((((3 <= j && 9 <= j) && 0 <= c) && 0 <= i) && c <= 6) && i <= 9)) || ((((((3 <= j && 0 <= c) && 0 <= i) && c < 2147483634) && i <= 9) && 8 <= i) && 11 <= j)) || ((((((3 <= j && 7 <= i) && 10 <= j) && 0 <= c) && c < 2147483624) && 0 <= i) && i <= 9)) || ((((((8 <= j && 3 <= j) && 7 <= i) && 0 <= c) && 0 <= i) && c < 2147483622) && i <= 9)) || ((((((3 <= j && 7 <= j) && c < 2147483612) && 0 <= c) && 0 <= i) && i <= 9) && 6 <= i)) || ((((((3 <= j && c < 2147483610) && 5 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 6 <= i)) || ((((((c < 2147483616 && 3 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 6 <= i) && 11 <= j)) || ((((((3 <= j && c <= 19) && 0 <= c) && 0 <= i) && 2 <= i) && i <= 9) && 4 <= j)) || ((((((3 <= j && 9 <= j) && c < 2147483614) && 0 <= c) && 0 <= i) && i <= 9) && 6 <= i)) || (((((3 <= j && 0 <= c) && 0 <= i) && 12 <= j) && c <= 9) && i <= 9)) || ((((((3 <= j && 0 <= c) && 0 <= i) && c <= 26) && 2 <= i) && i <= 9) && 11 <= j)) || ((((((c <= 21 && 3 <= j) && 0 <= c) && 0 <= i) && 6 <= j) && 2 <= i) && i <= 9)) || ((((0 <= c && 0 <= i) && 6 <= j) && i <= 9) && c <= 3)) || ((((((3 <= j && 1 <= i) && 0 <= c) && 0 <= i) && 12 <= j) && c <= 18) && i <= 9)) || ((((((3 <= j && 7 <= j) && 0 <= c) && 0 <= i) && c <= 40) && i <= 9) && 4 <= i)) || ((((3 <= j && c <= 36) && 0 <= c) && i <= 9) && 4 <= i)) || ((((((3 <= j && 7 <= j) && 0 <= c) && 0 <= i) && c < 2147483630) && i <= 9) && 8 <= i)) || ((((((3 <= j && 7 <= i) && 0 <= c) && 0 <= i) && c < 2147483625) && i <= 9) && 11 <= j)) || ((((3 <= j && 0 <= c) && i <= 9) && c < 2147483626) && 8 <= i)) || ((((((3 <= j && 7 <= j) && 5 <= i) && 0 <= c) && 0 <= i) && i <= 9) && c < 2147483603)) || ((((((3 <= j && 5 <= i) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= j) && c <= 46)) || ((((((3 <= j && c < 2147483607) && 5 <= i) && 0 <= c) && 0 <= i) && i <= 9) && 11 <= j)) || ((((((3 <= j && 7 <= j) && 0 <= c) && 3 <= i) && 0 <= i) && c <= 31) && i <= 9)) || ((((((3 <= j && c <= 37) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= j) && 4 <= i)) || ((((((c <= 43 && 3 <= j) && 10 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= i)) || ((((i <= 0 && c <= 1) && 0 <= c) && 0 <= i) && 4 <= j)) || ((((3 <= j && 1 <= i) && 0 <= c) && c <= 9) && i <= 9)) || ((((((3 <= j && 5 <= j) && 0 <= c) && 0 <= i) && c < 2147483628) && i <= 9) && 8 <= i)) || ((((((3 <= j && 9 <= j) && c <= 24) && 0 <= c) && 0 <= i) && 2 <= i) && i <= 9)) || ((((((8 <= j && 3 <= j) && 5 <= i) && 0 <= c) && 0 <= i) && i <= 9) && c < 2147483604)) || ((((((3 <= j && 5 <= j) && 0 <= c) && 0 <= i) && c <= 20) && 2 <= i) && i <= 9)) || ((((((3 <= j && 0 <= c) && 0 <= i) && 12 <= j) && i <= 9) && 6 <= i) && c < 2147483617)) || ((((((3 <= j && 10 <= j) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9) && c <= 34)) || ((((((3 <= j && 10 <= j) && 0 <= c) && 0 <= i) && 9 <= i) && c < 2147483642) && i <= 9)) || ((((((3 <= j && c < 2147483627) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= j) && 8 <= i)) || ((((3 <= j && 0 <= c) && 2 <= i) && c <= 18) && i <= 9)) || ((((((3 <= j && 1 <= i) && 0 <= c) && 0 <= i) && i <= 9) && c <= 17) && 11 <= j)) || ((((((3 <= j && c <= 38) && 5 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= i)) || ((((((3 <= j && 5 <= i) && 0 <= c) && 0 <= i) && 12 <= j) && c < 2147483608) && i <= 9)) || ((((((3 <= j && 0 <= c) && 0 <= i) && c < 2147483609) && i <= 9) && 4 <= j) && 6 <= i)) || ((((i <= 0 && 5 <= j) && 0 <= c) && 0 <= i) && c <= 2)) || ((((((3 <= j && 7 <= i) && c < 2147483619) && 5 <= j) && 0 <= c) && 0 <= i) && i <= 9)) || ((((3 <= j && i <= 0) && 0 <= c) && c <= 0) && 0 <= i)) || ((((((3 <= j && 1 <= i) && 7 <= j) && 0 <= c) && 0 <= i) && i <= 9) && c <= 13)) || ((((((3 <= j && c < 2147483611) && 0 <= c) && 0 <= i) && 6 <= j) && i <= 9) && 6 <= i)) || ((((((3 <= j && 7 <= i) && c < 2147483620) && 0 <= c) && 0 <= i) && 6 <= j) && i <= 9)) || ((((((c < 2147483635 && 3 <= j) && 0 <= c) && 0 <= i) && 12 <= j) && i <= 9) && 8 <= i)) || ((((((3 <= j && 7 <= i) && 7 <= j) && 0 <= c) && 0 <= i) && c < 2147483621) && i <= 9)) || ((((((3 <= j && c < 2147483615) && 10 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 6 <= i)) || ((((((3 <= j && 5 <= i) && c < 2147483601) && 5 <= j) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((3 <= j && 10 <= j) && 0 <= c) && c < 2147483633) && 0 <= i) && i <= 9) && 8 <= i)) || ((((c < 2147483635 && 3 <= j) && 0 <= c) && 9 <= i) && i <= 9)) || (((((c <= 5 && 8 <= j) && 3 <= j) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((c <= 42 && 3 <= j) && 9 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= i)) || ((((((3 <= j && c < 2147483641) && 9 <= j) && 0 <= c) && 0 <= i) && 9 <= i) && i <= 9)) || ((((((3 <= j && c <= 27) && 0 <= c) && 0 <= i) && 12 <= j) && 2 <= i) && i <= 9)) || ((((((3 <= j && c < 2147483629) && 0 <= c) && 0 <= i) && 6 <= j) && i <= 9) && 8 <= i)) || ((((((8 <= j && 3 <= j) && 1 <= i) && c <= 14) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((3 <= j && 1 <= i) && c <= 10) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= j)) || ((((((3 <= j && 1 <= i) && 5 <= j) && 0 <= c) && c <= 11) && 0 <= i) && i <= 9)) || (((((c <= 4 && 3 <= j) && 7 <= j) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((3 <= j && c <= 39) && 0 <= c) && 0 <= i) && 6 <= j) && i <= 9) && 4 <= i)) || ((((((3 <= j && 7 <= i) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= j) && c < 2147483618)) || ((((((3 <= j && 1 <= i) && 0 <= c) && 0 <= i) && 6 <= j) && c <= 12) && i <= 9)) || ((((((3 <= j && 5 <= j) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9) && c <= 29)) || ((((3 <= j && 5 <= i) && c <= 45) && 0 <= c) && i <= 9)) || ((((((8 <= j && 3 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 8 <= i) && c < 2147483631)) || ((((((3 <= j && 0 <= c) && 3 <= i) && 0 <= i) && 6 <= j) && i <= 9) && c <= 30)) || ((((((3 <= j && 0 <= c) && 0 <= i) && 9 <= i) && i <= 9) && 4 <= j) && c < 2147483636)) || ((((((8 <= j && 3 <= j) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9) && c <= 32)) || ((((3 <= j && 7 <= i) && 0 <= c) && i <= 9) && c < 2147483617)) || ((((((3 <= j && 7 <= j) && c <= 22) && 0 <= c) && 0 <= i) && 2 <= i) && i <= 9)) || ((((((3 <= j && 7 <= i) && 9 <= j) && c < 2147483623) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((3 <= j && c <= 45) && 0 <= c) && 0 <= i) && 12 <= j) && i <= 9) && 4 <= i)) || ((((((3 <= j && 7 <= j) && c < 2147483639) && 0 <= c) && 0 <= i) && 9 <= i) && i <= 9)) || ((((((8 <= j && 3 <= j) && 0 <= c) && c <= 23) && 0 <= i) && 2 <= i) && i <= 9)) || ((((((3 <= j && c <= 36) && 0 <= c) && 3 <= i) && 0 <= i) && 12 <= j) && i <= 9)) || ((((((3 <= j && 9 <= j) && 5 <= i) && c < 2147483605) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((3 <= j && 1 <= i) && 9 <= j) && c <= 15) && 0 <= c) && 0 <= i) && i <= 9)) || (((((3 <= j && 0 <= c) && c <= 8) && 0 <= i) && i <= 9) && 11 <= j)) || ((((((3 <= j && 5 <= j) && 0 <= c) && 0 <= i) && 9 <= i) && c < 2147483637) && i <= 9)) || ((((3 <= j && 0 <= c) && c < 2147483608) && i <= 9) && 6 <= i)) || ((((3 <= j && c <= 27) && 0 <= c) && 3 <= i) && i <= 9)) || ((((((3 <= j && 9 <= j) && 0 <= c) && 0 <= i) && c < 2147483632) && i <= 9) && 8 <= i)) || ((((((3 <= j && 5 <= i) && 10 <= j) && 0 <= c) && c < 2147483606) && 0 <= i) && i <= 9)) || ((((((3 <= j && 7 <= i) && 0 <= c) && 0 <= i) && 12 <= j) && i <= 9) && c < 2147483626)) || ((((((3 <= j && c <= 35) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9) && 11 <= j)) || ((((((3 <= j && 0 <= c) && 0 <= i) && c <= 44) && i <= 9) && 4 <= i) && 11 <= j)) || ((((((8 <= j && 3 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= i) && c <= 41)) || ((((((8 <= j && 3 <= j) && c < 2147483640) && 0 <= c) && 0 <= i) && 9 <= i) && i <= 9)) || ((((((8 <= j && 3 <= j) && 0 <= c) && 0 <= i) && c < 2147483613) && i <= 9) && 6 <= i)) || ((((((3 <= j && 0 <= c) && 0 <= i) && 12 <= j) && c < 2147483644) && 9 <= i) && i <= 9)) || ((((((3 <= j && c < 2147483638) && 0 <= c) && 0 <= i) && 6 <= j) && 9 <= i) && i <= 9)) || ((((((3 <= j && c <= 28) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9) && 4 <= j)) || ((((((3 <= j && c <= 33) && 9 <= j) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9)) || ((((((3 <= j && 1 <= i) && 10 <= j) && 0 <= c) && 0 <= i) && i <= 9) && c <= 16) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: ((((((((((((0 <= c && 12 <= j) && 2 <= i) && c <= 18) || (((5 <= i && c <= 45) && 0 <= c) && 12 <= j)) || (((i <= 0 && 0 <= c) && c <= 0) && 0 <= i)) || (((10 <= i && 0 <= c) && 12 <= j) && c < 2147483644)) || (((1 <= i && 0 <= c) && 12 <= j) && c <= 9)) || (((0 <= c && 12 <= j) && c < 2147483608) && 6 <= i)) || (((c <= 36 && 0 <= c) && 12 <= j) && 4 <= i)) || (((c <= 27 && 0 <= c) && 3 <= i) && 12 <= j)) || (((0 <= c && 12 <= j) && c < 2147483626) && 8 <= i)) || (((7 <= i && 0 <= c) && 12 <= j) && c < 2147483617)) || (((c < 2147483635 && 0 <= c) && 12 <= j) && 9 <= i) RESULT: Ultimate proved your program to be correct! [2022-11-26 00:24:49,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c15dd02-10cd-423b-b603-174eb916050d/bin/utaipan-ByfvJB40ur/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