./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/pr4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-tiling/pr4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14a75e050103eb09182e049a798a738dec478e3acaa4fb01ae8649b715b8362f --- 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-b5237d8 [2022-11-21 16:26:52,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:26:52,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:26:52,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:26:52,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:26:52,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:26:52,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:26:52,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:26:52,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:26:52,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:26:52,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:26:52,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:26:52,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:26:52,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:26:52,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:26:52,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:26:52,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:26:52,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:26:52,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:26:52,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:26:52,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:26:52,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:26:52,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:26:52,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:26:52,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:26:52,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:26:52,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:26:52,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:26:52,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:26:52,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:26:52,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:26:52,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:26:52,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:26:52,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:26:52,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:26:52,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:26:52,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:26:52,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:26:52,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:26:52,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:26:52,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:26:52,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-21 16:26:52,921 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:26:52,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:26:52,922 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:26:52,922 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:26:52,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:26:52,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:26:52,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:26:52,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:26:52,925 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:26:52,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:26:52,926 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:26:52,926 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:26:52,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:26:52,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:26:52,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:26:52,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:26:52,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:26:52,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:26:52,928 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 16:26:52,928 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:26:52,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:26:52,929 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:26:52,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:26:52,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:26:52,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:26:52,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:26:52,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:26:52,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:26:52,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:26:52,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:26:52,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:26:52,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:26:52,932 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:26:52,932 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:26:52,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:26:52,933 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_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a75e050103eb09182e049a798a738dec478e3acaa4fb01ae8649b715b8362f [2022-11-21 16:26:53,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:26:53,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:26:53,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:26:53,270 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:26:53,271 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:26:53,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/array-tiling/pr4.c [2022-11-21 16:26:56,417 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:26:56,718 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:26:56,723 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/sv-benchmarks/c/array-tiling/pr4.c [2022-11-21 16:26:56,731 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/data/1bfeff7fd/20b6c0e0861d4a1db853a23040362151/FLAG0ed510122 [2022-11-21 16:26:56,748 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/data/1bfeff7fd/20b6c0e0861d4a1db853a23040362151 [2022-11-21 16:26:56,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:26:56,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:26:56,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:26:56,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:26:56,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:26:56,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:26:56" (1/1) ... [2022-11-21 16:26:56,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5862f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:56, skipping insertion in model container [2022-11-21 16:26:56,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:26:56" (1/1) ... [2022-11-21 16:26:56,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:26:56,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:26:56,944 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/sv-benchmarks/c/array-tiling/pr4.c[394,407] [2022-11-21 16:26:56,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:26:56,983 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:26:56,994 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/sv-benchmarks/c/array-tiling/pr4.c[394,407] [2022-11-21 16:26:57,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:26:57,023 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:26:57,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:57 WrapperNode [2022-11-21 16:26:57,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:26:57,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:26:57,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:26:57,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:26:57,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:57" (1/1) ... [2022-11-21 16:26:57,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:57" (1/1) ... [2022-11-21 16:26:57,064 INFO L138 Inliner]: procedures = 15, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 121 [2022-11-21 16:26:57,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:26:57,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:26:57,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:26:57,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:26:57,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:57" (1/1) ... [2022-11-21 16:26:57,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:57" (1/1) ... [2022-11-21 16:26:57,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:57" (1/1) ... [2022-11-21 16:26:57,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:57" (1/1) ... [2022-11-21 16:26:57,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:57" (1/1) ... [2022-11-21 16:26:57,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:57" (1/1) ... [2022-11-21 16:26:57,094 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:57" (1/1) ... [2022-11-21 16:26:57,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:57" (1/1) ... [2022-11-21 16:26:57,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:26:57,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:26:57,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:26:57,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:26:57,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:57" (1/1) ... [2022-11-21 16:26:57,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:26:57,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:57,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:57,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:26:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:26:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:26:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:26:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:26:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:26:57,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:26:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:26:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:26:57,279 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:26:57,281 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:26:57,569 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:26:57,593 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:26:57,593 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 16:26:57,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:26:57 BoogieIcfgContainer [2022-11-21 16:26:57,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:26:57,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:26:57,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:26:57,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:26:57,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:26:56" (1/3) ... [2022-11-21 16:26:57,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a6ef1a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:26:57, skipping insertion in model container [2022-11-21 16:26:57,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:57" (2/3) ... [2022-11-21 16:26:57,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a6ef1a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:26:57, skipping insertion in model container [2022-11-21 16:26:57,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:26:57" (3/3) ... [2022-11-21 16:26:57,606 INFO L112 eAbstractionObserver]: Analyzing ICFG pr4.c [2022-11-21 16:26:57,628 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:26:57,628 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-11-21 16:26:57,745 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:26:57,769 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@767aac47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:26:57,769 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2022-11-21 16:26:57,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 62 states have (on average 1.8225806451612903) internal successors, (113), 100 states have internal predecessors, (113), 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) [2022-11-21 16:26:57,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 16:26:57,790 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:26:57,790 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:26:57,791 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-21 16:26:57,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:26:57,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1804997193, now seen corresponding path program 1 times [2022-11-21 16:26:57,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:26:57,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836157650] [2022-11-21 16:26:57,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:26:57,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:26:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:26:57,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:26:57,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:26:57,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836157650] [2022-11-21 16:26:57,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836157650] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:26:57,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:26:57,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:26:57,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714521615] [2022-11-21 16:26:57,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:26:58,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 16:26:58,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:26:58,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 16:26:58,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:26:58,038 INFO L87 Difference]: Start difference. First operand has 101 states, 62 states have (on average 1.8225806451612903) internal successors, (113), 100 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 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) [2022-11-21 16:26:58,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:26:58,064 INFO L93 Difference]: Finished difference Result 197 states and 218 transitions. [2022-11-21 16:26:58,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 16:26:58,067 INFO L78 Accepts]: Start accepts. Automaton has has 2 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 [2022-11-21 16:26:58,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:26:58,076 INFO L225 Difference]: With dead ends: 197 [2022-11-21 16:26:58,076 INFO L226 Difference]: Without dead ends: 95 [2022-11-21 16:26:58,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:26:58,083 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:26:58,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:26:58,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-21 16:26:58,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-11-21 16:26:58,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 57 states have (on average 1.7719298245614035) internal successors, (101), 94 states have internal predecessors, (101), 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) [2022-11-21 16:26:58,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 101 transitions. [2022-11-21 16:26:58,125 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 101 transitions. Word has length 7 [2022-11-21 16:26:58,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:26:58,126 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 101 transitions. [2022-11-21 16:26:58,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 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) [2022-11-21 16:26:58,126 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 101 transitions. [2022-11-21 16:26:58,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 16:26:58,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:26:58,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:26:58,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:26:58,128 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-21 16:26:58,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:26:58,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1804999115, now seen corresponding path program 1 times [2022-11-21 16:26:58,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:26:58,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260565590] [2022-11-21 16:26:58,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:26:58,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:26:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:26:58,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:26:58,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:26:58,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260565590] [2022-11-21 16:26:58,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260565590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:26:58,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:26:58,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:26:58,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287733207] [2022-11-21 16:26:58,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:26:58,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:26:58,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:26:58,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:26:58,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:26:58,542 INFO L87 Difference]: Start difference. First operand 95 states and 101 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 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) [2022-11-21 16:26:58,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:26:58,587 INFO L93 Difference]: Finished difference Result 95 states and 101 transitions. [2022-11-21 16:26:58,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:26:58,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 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 [2022-11-21 16:26:58,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:26:58,590 INFO L225 Difference]: With dead ends: 95 [2022-11-21 16:26:58,590 INFO L226 Difference]: Without dead ends: 93 [2022-11-21 16:26:58,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:26:58,592 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 286 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:26:58,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 92 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:26:58,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-21 16:26:58,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-11-21 16:26:58,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 57 states have (on average 1.736842105263158) internal successors, (99), 92 states have internal predecessors, (99), 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) [2022-11-21 16:26:58,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 99 transitions. [2022-11-21 16:26:58,607 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 99 transitions. Word has length 7 [2022-11-21 16:26:58,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:26:58,610 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 99 transitions. [2022-11-21 16:26:58,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 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) [2022-11-21 16:26:58,611 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 99 transitions. [2022-11-21 16:26:58,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 16:26:58,613 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:26:58,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:26:58,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:26:58,639 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-21 16:26:58,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:26:58,646 INFO L85 PathProgramCache]: Analyzing trace with hash 472362386, now seen corresponding path program 1 times [2022-11-21 16:26:58,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:26:58,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475272858] [2022-11-21 16:26:58,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:26:58,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:26:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:26:58,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:26:58,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:26:58,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475272858] [2022-11-21 16:26:58,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475272858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:26:58,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:26:58,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:26:58,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879174435] [2022-11-21 16:26:58,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:26:58,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:26:58,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:26:58,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:26:58,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:26:58,732 INFO L87 Difference]: Start difference. First operand 93 states and 99 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:26:58,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:26:58,962 INFO L93 Difference]: Finished difference Result 170 states and 181 transitions. [2022-11-21 16:26:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:26:58,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-21 16:26:58,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:26:58,969 INFO L225 Difference]: With dead ends: 170 [2022-11-21 16:26:58,969 INFO L226 Difference]: Without dead ends: 138 [2022-11-21 16:26:58,974 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 [2022-11-21 16:26:58,977 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 44 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:26:58,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 87 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:26:58,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-11-21 16:26:58,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 132. [2022-11-21 16:26:58,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 96 states have (on average 1.4895833333333333) internal successors, (143), 131 states have internal predecessors, (143), 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) [2022-11-21 16:26:59,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 143 transitions. [2022-11-21 16:26:59,005 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 143 transitions. Word has length 11 [2022-11-21 16:26:59,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:26:59,008 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 143 transitions. [2022-11-21 16:26:59,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:26:59,009 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 143 transitions. [2022-11-21 16:26:59,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 16:26:59,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:26:59,010 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:26:59,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:26:59,011 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-21 16:26:59,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:26:59,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1324670786, now seen corresponding path program 1 times [2022-11-21 16:26:59,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:26:59,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031183536] [2022-11-21 16:26:59,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:26:59,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:26:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:26:59,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:26:59,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:26:59,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031183536] [2022-11-21 16:26:59,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031183536] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:26:59,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:26:59,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:26:59,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190274320] [2022-11-21 16:26:59,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:26:59,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:26:59,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:26:59,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:26:59,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:26:59,113 INFO L87 Difference]: Start difference. First operand 132 states and 143 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:26:59,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:26:59,247 INFO L93 Difference]: Finished difference Result 142 states and 154 transitions. [2022-11-21 16:26:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:26:59,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-21 16:26:59,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:26:59,253 INFO L225 Difference]: With dead ends: 142 [2022-11-21 16:26:59,253 INFO L226 Difference]: Without dead ends: 140 [2022-11-21 16:26:59,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:26:59,265 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 4 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:26:59,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 208 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:26:59,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-21 16:26:59,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2022-11-21 16:26:59,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 104 states have (on average 1.4615384615384615) internal successors, (152), 139 states have internal predecessors, (152), 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) [2022-11-21 16:26:59,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 152 transitions. [2022-11-21 16:26:59,286 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 152 transitions. Word has length 17 [2022-11-21 16:26:59,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:26:59,286 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 152 transitions. [2022-11-21 16:26:59,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:26:59,287 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 152 transitions. [2022-11-21 16:26:59,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 16:26:59,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:26:59,289 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:26:59,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:26:59,289 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-21 16:26:59,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:26:59,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1836795440, now seen corresponding path program 1 times [2022-11-21 16:26:59,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:26:59,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718913041] [2022-11-21 16:26:59,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:26:59,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:26:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:26:59,402 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:26:59,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:26:59,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718913041] [2022-11-21 16:26:59,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718913041] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:26:59,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107752575] [2022-11-21 16:26:59,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:26:59,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:26:59,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:59,410 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:26:59,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:26:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:26:59,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 16:26:59,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:26:59,622 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:26:59,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:26:59,712 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:26:59,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107752575] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:26:59,713 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:26:59,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-21 16:26:59,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572407315] [2022-11-21 16:26:59,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:26:59,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 16:26:59,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:26:59,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 16:26:59,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:26:59,720 INFO L87 Difference]: Start difference. First operand 140 states and 152 transitions. Second operand has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 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) [2022-11-21 16:27:00,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:27:00,127 INFO L93 Difference]: Finished difference Result 174 states and 191 transitions. [2022-11-21 16:27:00,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-21 16:27:00,129 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 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 25 [2022-11-21 16:27:00,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:27:00,130 INFO L225 Difference]: With dead ends: 174 [2022-11-21 16:27:00,130 INFO L226 Difference]: Without dead ends: 173 [2022-11-21 16:27:00,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-11-21 16:27:00,131 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 189 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:27:00,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 135 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 16:27:00,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-11-21 16:27:00,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 163. [2022-11-21 16:27:00,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 127 states have (on average 1.4173228346456692) internal successors, (180), 162 states have internal predecessors, (180), 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) [2022-11-21 16:27:00,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 180 transitions. [2022-11-21 16:27:00,149 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 180 transitions. Word has length 25 [2022-11-21 16:27:00,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:27:00,150 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 180 transitions. [2022-11-21 16:27:00,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 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) [2022-11-21 16:27:00,150 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 180 transitions. [2022-11-21 16:27:00,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 16:27:00,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:27:00,151 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:27:00,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:27:00,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:27:00,392 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-21 16:27:00,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:27:00,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1106083606, now seen corresponding path program 1 times [2022-11-21 16:27:00,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:27:00,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117846771] [2022-11-21 16:27:00,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:00,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:27:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:00,695 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-21 16:27:00,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:27:00,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117846771] [2022-11-21 16:27:00,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117846771] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:27:00,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:27:00,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:27:00,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569398183] [2022-11-21 16:27:00,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:27:00,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:27:00,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:27:00,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:27:00,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:27:00,698 INFO L87 Difference]: Start difference. First operand 163 states and 180 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-11-21 16:27:00,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:27:00,874 INFO L93 Difference]: Finished difference Result 210 states and 234 transitions. [2022-11-21 16:27:00,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:27:00,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 26 [2022-11-21 16:27:00,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:27:00,876 INFO L225 Difference]: With dead ends: 210 [2022-11-21 16:27:00,876 INFO L226 Difference]: Without dead ends: 168 [2022-11-21 16:27:00,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:27:00,877 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 331 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:27:00,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 79 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:27:00,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-11-21 16:27:00,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 163. [2022-11-21 16:27:00,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 127 states have (on average 1.4094488188976377) internal successors, (179), 162 states have internal predecessors, (179), 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) [2022-11-21 16:27:00,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 179 transitions. [2022-11-21 16:27:00,893 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 179 transitions. Word has length 26 [2022-11-21 16:27:00,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:27:00,894 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 179 transitions. [2022-11-21 16:27:00,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-11-21 16:27:00,894 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 179 transitions. [2022-11-21 16:27:00,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 16:27:00,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:27:00,895 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:27:00,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:27:00,895 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-21 16:27:00,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:27:00,896 INFO L85 PathProgramCache]: Analyzing trace with hash -116476226, now seen corresponding path program 1 times [2022-11-21 16:27:00,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:27:00,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838869884] [2022-11-21 16:27:00,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:00,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:27:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:00,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:27:00,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:27:00,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838869884] [2022-11-21 16:27:00,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838869884] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:27:00,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:27:00,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:27:00,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176389528] [2022-11-21 16:27:00,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:27:00,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:27:00,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:27:00,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:27:00,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:27:00,975 INFO L87 Difference]: Start difference. First operand 163 states and 179 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 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) [2022-11-21 16:27:01,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:27:01,117 INFO L93 Difference]: Finished difference Result 168 states and 184 transitions. [2022-11-21 16:27:01,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:27:01,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 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) Word has length 31 [2022-11-21 16:27:01,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:27:01,119 INFO L225 Difference]: With dead ends: 168 [2022-11-21 16:27:01,119 INFO L226 Difference]: Without dead ends: 166 [2022-11-21 16:27:01,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:27:01,120 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 23 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:27:01,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 146 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:27:01,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-11-21 16:27:01,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2022-11-21 16:27:01,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 130 states have (on average 1.4) internal successors, (182), 165 states have internal predecessors, (182), 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) [2022-11-21 16:27:01,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 182 transitions. [2022-11-21 16:27:01,127 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 182 transitions. Word has length 31 [2022-11-21 16:27:01,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:27:01,128 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 182 transitions. [2022-11-21 16:27:01,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 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) [2022-11-21 16:27:01,128 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 182 transitions. [2022-11-21 16:27:01,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 16:27:01,129 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:27:01,129 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:27:01,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:27:01,130 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-21 16:27:01,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:27:01,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1843725857, now seen corresponding path program 1 times [2022-11-21 16:27:01,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:27:01,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526064461] [2022-11-21 16:27:01,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:01,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:27:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:01,219 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:27:01,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:27:01,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526064461] [2022-11-21 16:27:01,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526064461] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:27:01,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114039067] [2022-11-21 16:27:01,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:01,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:27:01,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:27:01,221 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:27:01,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 16:27:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:01,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:27:01,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:27:01,426 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:27:01,426 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:27:01,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114039067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:27:01,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:27:01,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2022-11-21 16:27:01,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310754200] [2022-11-21 16:27:01,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:27:01,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:27:01,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:27:01,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:27:01,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:27:01,432 INFO L87 Difference]: Start difference. First operand 166 states and 182 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-11-21 16:27:01,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:27:01,481 INFO L93 Difference]: Finished difference Result 437 states and 482 transitions. [2022-11-21 16:27:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:27:01,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 37 [2022-11-21 16:27:01,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:27:01,483 INFO L225 Difference]: With dead ends: 437 [2022-11-21 16:27:01,483 INFO L226 Difference]: Without dead ends: 294 [2022-11-21 16:27:01,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:27:01,488 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 236 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:27:01,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 175 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:27:01,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-11-21 16:27:01,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 226. [2022-11-21 16:27:01,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 190 states have (on average 1.4421052631578948) internal successors, (274), 225 states have internal predecessors, (274), 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) [2022-11-21 16:27:01,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 274 transitions. [2022-11-21 16:27:01,502 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 274 transitions. Word has length 37 [2022-11-21 16:27:01,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:27:01,502 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 274 transitions. [2022-11-21 16:27:01,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-11-21 16:27:01,503 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 274 transitions. [2022-11-21 16:27:01,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 16:27:01,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:27:01,504 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:27:01,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 16:27:01,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:27:01,711 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-21 16:27:01,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:27:01,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1278740713, now seen corresponding path program 1 times [2022-11-21 16:27:01,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:27:01,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438332353] [2022-11-21 16:27:01,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:01,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:27:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:01,844 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:27:01,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:27:01,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438332353] [2022-11-21 16:27:01,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438332353] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:27:01,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685814943] [2022-11-21 16:27:01,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:01,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:27:01,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:27:01,846 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:27:01,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 16:27:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:01,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:27:01,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:27:02,056 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:27:02,056 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:27:02,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685814943] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:27:02,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:27:02,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2022-11-21 16:27:02,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805596890] [2022-11-21 16:27:02,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:27:02,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:27:02,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:27:02,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:27:02,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:27:02,063 INFO L87 Difference]: Start difference. First operand 226 states and 274 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-11-21 16:27:02,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:27:02,116 INFO L93 Difference]: Finished difference Result 536 states and 662 transitions. [2022-11-21 16:27:02,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:27:02,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 37 [2022-11-21 16:27:02,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:27:02,119 INFO L225 Difference]: With dead ends: 536 [2022-11-21 16:27:02,119 INFO L226 Difference]: Without dead ends: 370 [2022-11-21 16:27:02,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:27:02,123 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 206 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:27:02,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 193 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:27:02,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2022-11-21 16:27:02,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 302. [2022-11-21 16:27:02,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 266 states have (on average 1.5075187969924813) internal successors, (401), 301 states have internal predecessors, (401), 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) [2022-11-21 16:27:02,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 401 transitions. [2022-11-21 16:27:02,138 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 401 transitions. Word has length 37 [2022-11-21 16:27:02,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:27:02,138 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 401 transitions. [2022-11-21 16:27:02,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-11-21 16:27:02,139 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 401 transitions. [2022-11-21 16:27:02,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 16:27:02,147 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:27:02,147 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:27:02,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-21 16:27:02,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:27:02,353 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-21 16:27:02,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:27:02,353 INFO L85 PathProgramCache]: Analyzing trace with hash 2018536097, now seen corresponding path program 1 times [2022-11-21 16:27:02,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:27:02,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40708751] [2022-11-21 16:27:02,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:02,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:27:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:02,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:27:02,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:27:02,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40708751] [2022-11-21 16:27:02,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40708751] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:27:02,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915019267] [2022-11-21 16:27:02,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:02,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:27:02,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:27:02,434 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:27:02,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 16:27:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:02,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:27:02,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:27:02,589 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:27:02,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:27:02,659 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:27:02,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915019267] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:27:02,659 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:27:02,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-11-21 16:27:02,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057502769] [2022-11-21 16:27:02,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:27:02,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-21 16:27:02,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:27:02,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-21 16:27:02,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:27:02,662 INFO L87 Difference]: Start difference. First operand 302 states and 401 transitions. Second operand has 10 states, 9 states have (on average 10.666666666666666) internal successors, (96), 10 states have internal predecessors, (96), 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) [2022-11-21 16:27:03,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:27:03,033 INFO L93 Difference]: Finished difference Result 466 states and 695 transitions. [2022-11-21 16:27:03,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-21 16:27:03,034 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.666666666666666) internal successors, (96), 10 states have internal predecessors, (96), 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 37 [2022-11-21 16:27:03,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:27:03,035 INFO L225 Difference]: With dead ends: 466 [2022-11-21 16:27:03,036 INFO L226 Difference]: Without dead ends: 449 [2022-11-21 16:27:03,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-11-21 16:27:03,036 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 268 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:27:03,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 142 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 16:27:03,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2022-11-21 16:27:03,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 446. [2022-11-21 16:27:03,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 424 states have (on average 1.3985849056603774) internal successors, (593), 445 states have internal predecessors, (593), 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) [2022-11-21 16:27:03,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 593 transitions. [2022-11-21 16:27:03,058 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 593 transitions. Word has length 37 [2022-11-21 16:27:03,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:27:03,058 INFO L495 AbstractCegarLoop]: Abstraction has 446 states and 593 transitions. [2022-11-21 16:27:03,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.666666666666666) internal successors, (96), 10 states have internal predecessors, (96), 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) [2022-11-21 16:27:03,058 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 593 transitions. [2022-11-21 16:27:03,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 16:27:03,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:27:03,061 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:27:03,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-21 16:27:03,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-21 16:27:03,266 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-21 16:27:03,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:27:03,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1849890367, now seen corresponding path program 1 times [2022-11-21 16:27:03,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:27:03,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677892378] [2022-11-21 16:27:03,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:03,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:27:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:03,405 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:27:03,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:27:03,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677892378] [2022-11-21 16:27:03,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677892378] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:27:03,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399303082] [2022-11-21 16:27:03,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:03,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:27:03,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:27:03,407 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:27:03,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-21 16:27:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:03,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:27:03,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:27:03,535 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:27:03,536 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:27:03,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399303082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:27:03,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:27:03,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-21 16:27:03,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42707112] [2022-11-21 16:27:03,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:27:03,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:27:03,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:27:03,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:27:03,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:27:03,541 INFO L87 Difference]: Start difference. First operand 446 states and 593 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 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) [2022-11-21 16:27:03,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:27:03,736 INFO L93 Difference]: Finished difference Result 446 states and 593 transitions. [2022-11-21 16:27:03,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:27:03,737 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 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 38 [2022-11-21 16:27:03,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:27:03,738 INFO L225 Difference]: With dead ends: 446 [2022-11-21 16:27:03,739 INFO L226 Difference]: Without dead ends: 429 [2022-11-21 16:27:03,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:27:03,740 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 67 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:27:03,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 105 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:27:03,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-11-21 16:27:03,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2022-11-21 16:27:03,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 424 states have (on average 1.153301886792453) internal successors, (489), 428 states have internal predecessors, (489), 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) [2022-11-21 16:27:03,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 489 transitions. [2022-11-21 16:27:03,755 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 489 transitions. Word has length 38 [2022-11-21 16:27:03,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:27:03,755 INFO L495 AbstractCegarLoop]: Abstraction has 429 states and 489 transitions. [2022-11-21 16:27:03,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 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) [2022-11-21 16:27:03,756 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 489 transitions. [2022-11-21 16:27:03,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-21 16:27:03,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:27:03,757 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:27:03,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-21 16:27:03,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:27:03,968 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-21 16:27:03,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:27:03,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1967399931, now seen corresponding path program 1 times [2022-11-21 16:27:03,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:27:03,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540934327] [2022-11-21 16:27:03,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:03,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:27:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:04,082 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:27:04,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:27:04,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540934327] [2022-11-21 16:27:04,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540934327] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:27:04,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722986145] [2022-11-21 16:27:04,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:04,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:27:04,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:27:04,085 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:27:04,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-21 16:27:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:04,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 16:27:04,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:27:04,204 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:27:04,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:27:04,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722986145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:27:04,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:27:04,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-21 16:27:04,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596210902] [2022-11-21 16:27:04,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:27:04,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:27:04,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:27:04,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:27:04,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:27:04,207 INFO L87 Difference]: Start difference. First operand 429 states and 489 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 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) [2022-11-21 16:27:04,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:27:04,351 INFO L93 Difference]: Finished difference Result 429 states and 489 transitions. [2022-11-21 16:27:04,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:27:04,352 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 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 52 [2022-11-21 16:27:04,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:27:04,353 INFO L225 Difference]: With dead ends: 429 [2022-11-21 16:27:04,353 INFO L226 Difference]: Without dead ends: 428 [2022-11-21 16:27:04,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:27:04,354 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 54 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:27:04,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 95 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:27:04,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2022-11-21 16:27:04,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2022-11-21 16:27:04,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 424 states have (on average 1.1462264150943395) internal successors, (486), 427 states have internal predecessors, (486), 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) [2022-11-21 16:27:04,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 486 transitions. [2022-11-21 16:27:04,368 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 486 transitions. Word has length 52 [2022-11-21 16:27:04,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:27:04,369 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 486 transitions. [2022-11-21 16:27:04,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 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) [2022-11-21 16:27:04,369 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 486 transitions. [2022-11-21 16:27:04,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-21 16:27:04,370 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:27:04,370 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:27:04,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-21 16:27:04,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-21 16:27:04,576 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-21 16:27:04,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:27:04,577 INFO L85 PathProgramCache]: Analyzing trace with hash 719573717, now seen corresponding path program 1 times [2022-11-21 16:27:04,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:27:04,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490958238] [2022-11-21 16:27:04,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:04,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:27:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:04,822 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:27:04,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:27:04,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490958238] [2022-11-21 16:27:04,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490958238] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:27:04,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116186303] [2022-11-21 16:27:04,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:04,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:27:04,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:27:04,825 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:27:04,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-21 16:27:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:04,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-21 16:27:04,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:27:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:27:05,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:27:05,215 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:27:05,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116186303] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:27:05,216 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:27:05,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2022-11-21 16:27:05,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734569688] [2022-11-21 16:27:05,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:27:05,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-21 16:27:05,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:27:05,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-21 16:27:05,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2022-11-21 16:27:05,218 INFO L87 Difference]: Start difference. First operand 428 states and 486 transitions. Second operand has 24 states, 23 states have (on average 5.304347826086956) internal successors, (122), 24 states have internal predecessors, (122), 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) [2022-11-21 16:27:05,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:27:05,620 INFO L93 Difference]: Finished difference Result 478 states and 547 transitions. [2022-11-21 16:27:05,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-21 16:27:05,621 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.304347826086956) internal successors, (122), 24 states have internal predecessors, (122), 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 75 [2022-11-21 16:27:05,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:27:05,623 INFO L225 Difference]: With dead ends: 478 [2022-11-21 16:27:05,623 INFO L226 Difference]: Without dead ends: 477 [2022-11-21 16:27:05,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2022-11-21 16:27:05,624 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 249 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:27:05,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 214 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 16:27:05,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2022-11-21 16:27:05,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 476. [2022-11-21 16:27:05,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 472 states have (on average 1.1440677966101696) internal successors, (540), 475 states have internal predecessors, (540), 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) [2022-11-21 16:27:05,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 540 transitions. [2022-11-21 16:27:05,641 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 540 transitions. Word has length 75 [2022-11-21 16:27:05,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:27:05,641 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 540 transitions. [2022-11-21 16:27:05,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.304347826086956) internal successors, (122), 24 states have internal predecessors, (122), 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) [2022-11-21 16:27:05,642 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 540 transitions. [2022-11-21 16:27:05,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-21 16:27:05,643 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:27:05,643 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:27:05,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-21 16:27:05,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-21 16:27:05,849 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-21 16:27:05,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:27:05,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1206670748, now seen corresponding path program 1 times [2022-11-21 16:27:05,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:27:05,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133377165] [2022-11-21 16:27:05,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:05,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:27:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:05,956 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-21 16:27:05,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:27:05,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133377165] [2022-11-21 16:27:05,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133377165] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:27:05,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:27:05,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:27:05,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457068475] [2022-11-21 16:27:05,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:27:05,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:27:05,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:27:05,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:27:05,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:27:05,959 INFO L87 Difference]: Start difference. First operand 476 states and 540 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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) [2022-11-21 16:27:06,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:27:06,036 INFO L93 Difference]: Finished difference Result 476 states and 540 transitions. [2022-11-21 16:27:06,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:27:06,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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 83 [2022-11-21 16:27:06,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:27:06,039 INFO L225 Difference]: With dead ends: 476 [2022-11-21 16:27:06,039 INFO L226 Difference]: Without dead ends: 475 [2022-11-21 16:27:06,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:27:06,040 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 35 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:27:06,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 66 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:27:06,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2022-11-21 16:27:06,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 475. [2022-11-21 16:27:06,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 472 states have (on average 1.1355932203389831) internal successors, (536), 474 states have internal predecessors, (536), 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) [2022-11-21 16:27:06,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 536 transitions. [2022-11-21 16:27:06,056 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 536 transitions. Word has length 83 [2022-11-21 16:27:06,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:27:06,056 INFO L495 AbstractCegarLoop]: Abstraction has 475 states and 536 transitions. [2022-11-21 16:27:06,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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) [2022-11-21 16:27:06,056 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 536 transitions. [2022-11-21 16:27:06,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-21 16:27:06,057 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:27:06,058 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:27:06,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 16:27:06,058 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-21 16:27:06,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:27:06,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1530627711, now seen corresponding path program 2 times [2022-11-21 16:27:06,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:27:06,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098491668] [2022-11-21 16:27:06,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:06,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:27:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:06,397 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-21 16:27:06,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:27:06,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098491668] [2022-11-21 16:27:06,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098491668] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:27:06,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15589904] [2022-11-21 16:27:06,398 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 16:27:06,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:27:06,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:27:06,403 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:27:06,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-21 16:27:06,487 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-21 16:27:06,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 16:27:06,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 16:27:06,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:27:06,827 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-21 16:27:06,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:27:07,019 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-21 16:27:07,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15589904] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:27:07,020 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:27:07,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 3] total 8 [2022-11-21 16:27:07,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678955537] [2022-11-21 16:27:07,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:27:07,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:27:07,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:27:07,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:27:07,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:27:07,022 INFO L87 Difference]: Start difference. First operand 475 states and 536 transitions. Second operand has 9 states, 8 states have (on average 12.375) internal successors, (99), 9 states have internal predecessors, (99), 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) [2022-11-21 16:27:07,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:27:07,119 INFO L93 Difference]: Finished difference Result 475 states and 536 transitions. [2022-11-21 16:27:07,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:27:07,120 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.375) internal successors, (99), 9 states have internal predecessors, (99), 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 89 [2022-11-21 16:27:07,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:27:07,122 INFO L225 Difference]: With dead ends: 475 [2022-11-21 16:27:07,122 INFO L226 Difference]: Without dead ends: 473 [2022-11-21 16:27:07,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 173 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:27:07,124 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 130 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:27:07,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 30 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:27:07,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2022-11-21 16:27:07,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 234. [2022-11-21 16:27:07,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 233 states have (on average 1.1201716738197425) internal successors, (261), 233 states have internal predecessors, (261), 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) [2022-11-21 16:27:07,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 261 transitions. [2022-11-21 16:27:07,137 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 261 transitions. Word has length 89 [2022-11-21 16:27:07,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:27:07,137 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 261 transitions. [2022-11-21 16:27:07,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.375) internal successors, (99), 9 states have internal predecessors, (99), 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) [2022-11-21 16:27:07,138 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 261 transitions. [2022-11-21 16:27:07,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-21 16:27:07,144 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:27:07,145 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:27:07,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-21 16:27:07,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-21 16:27:07,351 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-11-21 16:27:07,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:27:07,352 INFO L85 PathProgramCache]: Analyzing trace with hash 316428609, now seen corresponding path program 2 times [2022-11-21 16:27:07,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:27:07,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940916729] [2022-11-21 16:27:07,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:07,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:27:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:09,203 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 357 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:27:09,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:27:09,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940916729] [2022-11-21 16:27:09,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940916729] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:27:09,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495259889] [2022-11-21 16:27:09,204 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 16:27:09,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:27:09,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:27:09,205 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:27:09,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-21 16:27:09,288 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-21 16:27:09,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 16:27:09,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:27:09,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:27:09,557 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2022-11-21 16:27:09,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:27:09,781 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2022-11-21 16:27:09,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495259889] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:27:09,781 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:27:09,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 4, 4] total 32 [2022-11-21 16:27:09,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104306644] [2022-11-21 16:27:09,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:27:09,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-11-21 16:27:09,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:27:09,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-21 16:27:09,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=814, Unknown=0, NotChecked=0, Total=992 [2022-11-21 16:27:09,785 INFO L87 Difference]: Start difference. First operand 234 states and 261 transitions. Second operand has 32 states, 32 states have (on average 5.34375) internal successors, (171), 32 states have internal predecessors, (171), 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) [2022-11-21 16:27:10,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:27:10,886 INFO L93 Difference]: Finished difference Result 539 states and 600 transitions. [2022-11-21 16:27:10,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-21 16:27:10,891 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 5.34375) internal successors, (171), 32 states have internal predecessors, (171), 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 123 [2022-11-21 16:27:10,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:27:10,892 INFO L225 Difference]: With dead ends: 539 [2022-11-21 16:27:10,892 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 16:27:10,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 242 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 752 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=443, Invalid=2209, Unknown=0, NotChecked=0, Total=2652 [2022-11-21 16:27:10,894 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 662 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 16:27:10,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [662 Valid, 288 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 16:27:10,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 16:27:10,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 16:27:10,895 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) [2022-11-21 16:27:10,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 16:27:10,895 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2022-11-21 16:27:10,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:27:10,896 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:27:10,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 5.34375) internal successors, (171), 32 states have internal predecessors, (171), 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) [2022-11-21 16:27:10,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 16:27:10,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 16:27:10,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 38 remaining) [2022-11-21 16:27:10,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 38 remaining) [2022-11-21 16:27:10,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 38 remaining) [2022-11-21 16:27:10,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 38 remaining) [2022-11-21 16:27:10,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 38 remaining) [2022-11-21 16:27:10,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 38 remaining) [2022-11-21 16:27:10,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 38 remaining) [2022-11-21 16:27:10,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 38 remaining) [2022-11-21 16:27:10,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 38 remaining) [2022-11-21 16:27:10,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 38 remaining) [2022-11-21 16:27:10,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 38 remaining) [2022-11-21 16:27:10,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 38 remaining) [2022-11-21 16:27:10,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 38 remaining) [2022-11-21 16:27:10,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 38 remaining) [2022-11-21 16:27:10,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 38 remaining) [2022-11-21 16:27:10,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 38 remaining) [2022-11-21 16:27:10,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 38 remaining) [2022-11-21 16:27:10,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 38 remaining) [2022-11-21 16:27:10,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 38 remaining) [2022-11-21 16:27:10,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 38 remaining) [2022-11-21 16:27:10,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 38 remaining) [2022-11-21 16:27:10,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 38 remaining) [2022-11-21 16:27:10,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 38 remaining) [2022-11-21 16:27:10,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 38 remaining) [2022-11-21 16:27:10,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 38 remaining) [2022-11-21 16:27:10,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 38 remaining) [2022-11-21 16:27:10,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 38 remaining) [2022-11-21 16:27:10,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 38 remaining) [2022-11-21 16:27:10,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 38 remaining) [2022-11-21 16:27:10,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 38 remaining) [2022-11-21 16:27:10,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 38 remaining) [2022-11-21 16:27:10,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 38 remaining) [2022-11-21 16:27:10,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 38 remaining) [2022-11-21 16:27:10,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 38 remaining) [2022-11-21 16:27:10,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 38 remaining) [2022-11-21 16:27:10,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 38 remaining) [2022-11-21 16:27:10,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 38 remaining) [2022-11-21 16:27:10,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 38 remaining) [2022-11-21 16:27:10,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-21 16:27:11,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-21 16:27:11,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 16:27:11,636 INFO L899 garLoopResultBuilder]: For program point L68-3(line 68) no Hoare annotation was computed. [2022-11-21 16:27:11,636 INFO L899 garLoopResultBuilder]: For program point L68-4(line 68) no Hoare annotation was computed. [2022-11-21 16:27:11,636 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-11-21 16:27:11,637 INFO L895 garLoopResultBuilder]: At program point L68-5(lines 68 71) the Hoare annotation is: (let ((.cse0 (<= 3 |ULTIMATE.start_main_~CCCELVOL2~0#1|)) (.cse1 (<= 2 ~CELLCOUNT~0)) (.cse2 (<= 7 |ULTIMATE.start_main_~CCCELVOL3~0#1|)) (.cse3 (<= ~CELLCOUNT~0 2147483647)) (.cse4 (<= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse5 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 4) 4))) (.cse6 (<= |ULTIMATE.start_main_~CCCELVOL4~0#1| 5))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-11-21 16:27:11,637 INFO L899 garLoopResultBuilder]: For program point L68-6(lines 68 71) no Hoare annotation was computed. [2022-11-21 16:27:11,637 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2022-11-21 16:27:11,637 INFO L899 garLoopResultBuilder]: For program point L60-1(line 60) no Hoare annotation was computed. [2022-11-21 16:27:11,637 INFO L899 garLoopResultBuilder]: For program point L60-2(line 60) no Hoare annotation was computed. [2022-11-21 16:27:11,637 INFO L899 garLoopResultBuilder]: For program point L60-3(line 60) no Hoare annotation was computed. [2022-11-21 16:27:11,637 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2022-11-21 16:27:11,637 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-21 16:27:11,637 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-21 16:27:11,638 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2022-11-21 16:27:11,638 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-21 16:27:11,638 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-21 16:27:11,638 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 16:27:11,638 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 16:27:11,638 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-21 16:27:11,638 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-21 16:27:11,638 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 68) no Hoare annotation was computed. [2022-11-21 16:27:11,638 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-21 16:27:11,638 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-11-21 16:27:11,638 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-11-21 16:27:11,638 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2022-11-21 16:27:11,639 INFO L899 garLoopResultBuilder]: For program point L70-2(line 70) no Hoare annotation was computed. [2022-11-21 16:27:11,639 INFO L899 garLoopResultBuilder]: For program point L37-2(line 37) no Hoare annotation was computed. [2022-11-21 16:27:11,639 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2022-11-21 16:27:11,639 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-21 16:27:11,639 INFO L899 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed. [2022-11-21 16:27:11,639 INFO L899 garLoopResultBuilder]: For program point L29-2(lines 29 66) no Hoare annotation was computed. [2022-11-21 16:27:11,639 INFO L899 garLoopResultBuilder]: For program point L29-4(lines 29 66) no Hoare annotation was computed. [2022-11-21 16:27:11,639 INFO L899 garLoopResultBuilder]: For program point L29-5(line 29) no Hoare annotation was computed. [2022-11-21 16:27:11,639 INFO L899 garLoopResultBuilder]: For program point L29-6(line 29) no Hoare annotation was computed. [2022-11-21 16:27:11,639 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-21 16:27:11,639 INFO L895 garLoopResultBuilder]: At program point L29-7(lines 29 66) the Hoare annotation is: (let ((.cse0 (<= 3 |ULTIMATE.start_main_~CCCELVOL2~0#1|)) (.cse1 (<= 2 ~CELLCOUNT~0)) (.cse2 (<= 7 |ULTIMATE.start_main_~CCCELVOL3~0#1|)) (.cse3 (<= ~CELLCOUNT~0 2147483647)) (.cse4 (<= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse5 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 4) 4))) (.cse6 (<= |ULTIMATE.start_main_~CCCELVOL4~0#1| 5))) (or (and .cse0 .cse1 (= |ULTIMATE.start_main_~i~0#1| 1) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6))) [2022-11-21 16:27:11,639 INFO L899 garLoopResultBuilder]: For program point L29-8(lines 29 66) no Hoare annotation was computed. [2022-11-21 16:27:11,640 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-21 16:27:11,640 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-21 16:27:11,640 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-11-21 16:27:11,640 INFO L899 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2022-11-21 16:27:11,640 INFO L899 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2022-11-21 16:27:11,640 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-21 16:27:11,640 INFO L899 garLoopResultBuilder]: For program point L46-3(line 46) no Hoare annotation was computed. [2022-11-21 16:27:11,640 INFO L899 garLoopResultBuilder]: For program point L5(lines 5 7) no Hoare annotation was computed. [2022-11-21 16:27:11,640 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-21 16:27:11,640 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-11-21 16:27:11,640 INFO L899 garLoopResultBuilder]: For program point L55-1(line 55) no Hoare annotation was computed. [2022-11-21 16:27:11,640 INFO L899 garLoopResultBuilder]: For program point L55-2(line 55) no Hoare annotation was computed. [2022-11-21 16:27:11,641 INFO L899 garLoopResultBuilder]: For program point L55-3(line 55) no Hoare annotation was computed. [2022-11-21 16:27:11,641 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-11-21 16:27:11,641 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-21 16:27:11,641 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-11-21 16:27:11,641 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-11-21 16:27:11,641 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 38) no Hoare annotation was computed. [2022-11-21 16:27:11,641 INFO L899 garLoopResultBuilder]: For program point L64-1(line 64) no Hoare annotation was computed. [2022-11-21 16:27:11,641 INFO L899 garLoopResultBuilder]: For program point L64-2(line 64) no Hoare annotation was computed. [2022-11-21 16:27:11,641 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 66) no Hoare annotation was computed. [2022-11-21 16:27:11,641 INFO L899 garLoopResultBuilder]: For program point L64-3(line 64) no Hoare annotation was computed. [2022-11-21 16:27:11,641 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-21 16:27:11,641 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-11-21 16:27:11,641 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 68) no Hoare annotation was computed. [2022-11-21 16:27:11,642 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-21 16:27:11,647 INFO L902 garLoopResultBuilder]: At program point L73(lines 13 74) the Hoare annotation is: true [2022-11-21 16:27:11,648 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 66) no Hoare annotation was computed. [2022-11-21 16:27:11,648 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 16:27:11,648 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-11-21 16:27:11,648 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-11-21 16:27:11,648 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-21 16:27:11,649 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 72) no Hoare annotation was computed. [2022-11-21 16:27:11,649 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-21 16:27:11,649 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 66) no Hoare annotation was computed. [2022-11-21 16:27:11,650 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2022-11-21 16:27:11,650 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 72) no Hoare annotation was computed. [2022-11-21 16:27:11,650 INFO L899 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2022-11-21 16:27:11,650 INFO L899 garLoopResultBuilder]: For program point L8-1(line 8) no Hoare annotation was computed. [2022-11-21 16:27:11,651 INFO L899 garLoopResultBuilder]: For program point L8-3(line 8) no Hoare annotation was computed. [2022-11-21 16:27:11,651 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2022-11-21 16:27:11,651 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 16:27:11,651 INFO L899 garLoopResultBuilder]: For program point L33-1(line 33) no Hoare annotation was computed. [2022-11-21 16:27:11,651 INFO L899 garLoopResultBuilder]: For program point L33-2(line 33) no Hoare annotation was computed. [2022-11-21 16:27:11,651 INFO L899 garLoopResultBuilder]: For program point L33-3(line 33) no Hoare annotation was computed. [2022-11-21 16:27:11,652 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-11-21 16:27:11,652 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-11-21 16:27:11,652 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-21 16:27:11,652 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-21 16:27:11,652 INFO L899 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2022-11-21 16:27:11,653 INFO L899 garLoopResultBuilder]: For program point L42-1(line 42) no Hoare annotation was computed. [2022-11-21 16:27:11,653 INFO L899 garLoopResultBuilder]: For program point L42-2(line 42) no Hoare annotation was computed. [2022-11-21 16:27:11,654 INFO L899 garLoopResultBuilder]: For program point L42-3(line 42) no Hoare annotation was computed. [2022-11-21 16:27:11,654 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-21 16:27:11,654 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-11-21 16:27:11,654 INFO L899 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed. [2022-11-21 16:27:11,655 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2022-11-21 16:27:11,655 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2022-11-21 16:27:11,655 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2022-11-21 16:27:11,655 INFO L899 garLoopResultBuilder]: For program point L51-2(line 51) no Hoare annotation was computed. [2022-11-21 16:27:11,655 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-21 16:27:11,657 INFO L899 garLoopResultBuilder]: For program point L51-3(line 51) no Hoare annotation was computed. [2022-11-21 16:27:11,657 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-21 16:27:11,657 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-21 16:27:11,657 INFO L899 garLoopResultBuilder]: For program point L68-2(lines 68 71) no Hoare annotation was computed. [2022-11-21 16:27:11,661 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:27:11,664 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:27:11,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:27:11 BoogieIcfgContainer [2022-11-21 16:27:11,697 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:27:11,698 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:27:11,698 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:27:11,698 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:27:11,699 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:26:57" (3/4) ... [2022-11-21 16:27:11,703 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:27:11,717 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-21 16:27:11,717 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 16:27:11,717 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 16:27:11,718 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:27:11,718 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:27:11,778 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:27:11,778 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:27:11,779 INFO L158 Benchmark]: Toolchain (without parser) took 15023.65ms. Allocated memory was 178.3MB in the beginning and 276.8MB in the end (delta: 98.6MB). Free memory was 147.3MB in the beginning and 213.7MB in the end (delta: -66.5MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2022-11-21 16:27:11,779 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory was 76.7MB in the beginning and 76.5MB in the end (delta: 169.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:27:11,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.24ms. Allocated memory is still 178.3MB. Free memory was 147.3MB in the beginning and 136.0MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 16:27:11,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.45ms. Allocated memory is still 178.3MB. Free memory was 136.0MB in the beginning and 134.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:27:11,780 INFO L158 Benchmark]: Boogie Preprocessor took 30.63ms. Allocated memory is still 178.3MB. Free memory was 134.0MB in the beginning and 132.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:27:11,781 INFO L158 Benchmark]: RCFGBuilder took 497.86ms. Allocated memory is still 178.3MB. Free memory was 132.8MB in the beginning and 115.8MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 16:27:11,781 INFO L158 Benchmark]: TraceAbstraction took 14099.10ms. Allocated memory was 178.3MB in the beginning and 276.8MB in the end (delta: 98.6MB). Free memory was 114.9MB in the beginning and 217.9MB in the end (delta: -103.0MB). Peak memory consumption was 130.6MB. Max. memory is 16.1GB. [2022-11-21 16:27:11,782 INFO L158 Benchmark]: Witness Printer took 80.64ms. Allocated memory is still 276.8MB. Free memory was 217.9MB in the beginning and 213.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:27:11,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory was 76.7MB in the beginning and 76.5MB in the end (delta: 169.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.24ms. Allocated memory is still 178.3MB. Free memory was 147.3MB in the beginning and 136.0MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.45ms. Allocated memory is still 178.3MB. Free memory was 136.0MB in the beginning and 134.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.63ms. Allocated memory is still 178.3MB. Free memory was 134.0MB in the beginning and 132.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 497.86ms. Allocated memory is still 178.3MB. Free memory was 132.8MB in the beginning and 115.8MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 14099.10ms. Allocated memory was 178.3MB in the beginning and 276.8MB in the end (delta: 98.6MB). Free memory was 114.9MB in the beginning and 217.9MB in the end (delta: -103.0MB). Peak memory consumption was 130.6MB. Max. memory is 16.1GB. * Witness Printer took 80.64ms. Allocated memory is still 276.8MB. Free memory was 217.9MB in the beginning and 213.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: 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, 101 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 13.9s, OverallIterations: 16, TraceHistogramMax: 11, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2784 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2784 mSDsluCounter, 2164 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1242 mSDsCounter, 252 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2790 IncrementalHoareTripleChecker+Invalid, 3042 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 252 mSolverCounterUnsat, 922 mSDtfsCounter, 2790 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 996 GetRequests, 830 SyntacticMatches, 4 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1085 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=476occurred in iteration=13, InterpolantAutomatonStates: 127, 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, 16 MinimizatonAttempts, 400 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 29 NumberOfFragments, 119 HoareAnnotationTreeSize, 3 FomulaSimplifications, 33 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3052 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 1208 NumberOfCodeBlocks, 1024 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1527 ConstructedInterpolants, 0 QuantifiedInterpolants, 6465 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1114 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 30 InterpolantComputations, 11 PerfectInterpolantSequences, 1484/1989 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 38 specifications checked. All of them hold - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((((((3 <= CCCELVOL2 && 1 <= i) && 2 <= CELLCOUNT) && 7 <= CCCELVOL3) && CELLCOUNT <= 2147483647) && CCCELVOL1 <= 1) && CELLCOUNT == CELLCOUNT / 4 * 4) && CCCELVOL4 <= 5) || (((((((3 <= CCCELVOL2 && i == 0) && 2 <= CELLCOUNT) && 7 <= CCCELVOL3) && CELLCOUNT <= 2147483647) && CCCELVOL1 <= 1) && CELLCOUNT == CELLCOUNT / 4 * 4) && CCCELVOL4 <= 5) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((3 <= CCCELVOL2 && 2 <= CELLCOUNT) && i == 1) && 7 <= CCCELVOL3) && CELLCOUNT <= 2147483647) && CCCELVOL1 <= 1) && CELLCOUNT == CELLCOUNT / 4 * 4) && CCCELVOL4 <= 5) || (((((((3 <= CCCELVOL2 && 2 <= CELLCOUNT) && 7 <= CCCELVOL3) && CELLCOUNT <= 2147483647) && CCCELVOL1 <= 1) && 2 <= i) && CELLCOUNT == CELLCOUNT / 4 * 4) && CCCELVOL4 <= 5) RESULT: Ultimate proved your program to be correct! [2022-11-21 16:27:11,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b369a4f-0727-402d-ac6e-dbfc24c98950/bin/uautomizer-vX5HgA9Q3a/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