./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/java_AG313.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/java_AG313.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1aba30eccff08319e90124805f6572c72af18ec70c6e7d3c36f1ebe7fe7db059 --- 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-2329fc7 [2022-12-13 13:57:09,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:57:09,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:57:09,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:57:09,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:57:09,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:57:09,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:57:09,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:57:09,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:57:09,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:57:09,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:57:09,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:57:09,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:57:09,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:57:09,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:57:09,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:57:09,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:57:09,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:57:09,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:57:09,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:57:09,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:57:09,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:57:09,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:57:09,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:57:09,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:57:09,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:57:09,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:57:09,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:57:09,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:57:09,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:57:09,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:57:09,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:57:09,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:57:09,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:57:09,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:57:09,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:57:09,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:57:09,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:57:09,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:57:09,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:57:09,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:57:09,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 13:57:09,248 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:57:09,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:57:09,248 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:57:09,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:57:09,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:57:09,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:57:09,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:57:09,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:57:09,250 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:57:09,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:57:09,250 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:57:09,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:57:09,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:57:09,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:57:09,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:57:09,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:57:09,251 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 13:57:09,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:57:09,251 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:57:09,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:57:09,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:57:09,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:57:09,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:57:09,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:57:09,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:57:09,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:57:09,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:57:09,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:57:09,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:57:09,253 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:57:09,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:57:09,253 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:57:09,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:57:09,253 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:57:09,254 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1aba30eccff08319e90124805f6572c72af18ec70c6e7d3c36f1ebe7fe7db059 [2022-12-13 13:57:09,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:57:09,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:57:09,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:57:09,446 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:57:09,446 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:57:09,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-restricted-15/java_AG313.c [2022-12-13 13:57:12,066 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:57:12,184 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:57:12,185 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/sv-benchmarks/c/termination-restricted-15/java_AG313.c [2022-12-13 13:57:12,189 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/data/838c2950b/39c836861c6547008bb1182a6f87456f/FLAGd1d4ba8ed [2022-12-13 13:57:12,203 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/data/838c2950b/39c836861c6547008bb1182a6f87456f [2022-12-13 13:57:12,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:57:12,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:57:12,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:57:12,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:57:12,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:57:12,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:57:12" (1/1) ... [2022-12-13 13:57:12,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13dc31d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:57:12, skipping insertion in model container [2022-12-13 13:57:12,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:57:12" (1/1) ... [2022-12-13 13:57:12,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:57:12,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:57:12,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:57:12,356 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:57:12,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:57:12,376 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:57:12,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:57:12 WrapperNode [2022-12-13 13:57:12,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:57:12,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:57:12,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:57:12,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:57:12,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:57:12" (1/1) ... [2022-12-13 13:57:12,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:57:12" (1/1) ... [2022-12-13 13:57:12,400 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2022-12-13 13:57:12,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:57:12,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:57:12,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:57:12,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:57:12,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:57:12" (1/1) ... [2022-12-13 13:57:12,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:57:12" (1/1) ... [2022-12-13 13:57:12,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:57:12" (1/1) ... [2022-12-13 13:57:12,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:57:12" (1/1) ... [2022-12-13 13:57:12,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:57:12" (1/1) ... [2022-12-13 13:57:12,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:57:12" (1/1) ... [2022-12-13 13:57:12,414 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:57:12" (1/1) ... [2022-12-13 13:57:12,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:57:12" (1/1) ... [2022-12-13 13:57:12,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:57:12,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:57:12,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:57:12,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:57:12,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:57:12" (1/1) ... [2022-12-13 13:57:12,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:57:12,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:57:12,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:57:12,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:57:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:57:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:57:12,531 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:57:12,532 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:57:12,607 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:57:12,612 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:57:12,612 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 13:57:12,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:57:12 BoogieIcfgContainer [2022-12-13 13:57:12,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:57:12,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:57:12,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:57:12,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:57:12,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:57:12" (1/3) ... [2022-12-13 13:57:12,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3c4fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:57:12, skipping insertion in model container [2022-12-13 13:57:12,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:57:12" (2/3) ... [2022-12-13 13:57:12,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3c4fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:57:12, skipping insertion in model container [2022-12-13 13:57:12,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:57:12" (3/3) ... [2022-12-13 13:57:12,625 INFO L112 eAbstractionObserver]: Analyzing ICFG java_AG313.c [2022-12-13 13:57:12,642 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:57:12,642 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 13:57:12,685 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:57:12,691 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;@3ff08a58, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:57:12,692 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 13:57:12,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 23 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:57:12,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 13:57:12,699 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:12,700 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 13:57:12,700 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 13:57:12,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:12,705 INFO L85 PathProgramCache]: Analyzing trace with hash 28693987, now seen corresponding path program 1 times [2022-12-13 13:57:12,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:57:12,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404003306] [2022-12-13 13:57:12,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:12,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:57:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:12,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:12,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:57:12,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404003306] [2022-12-13 13:57:12,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404003306] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:12,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:12,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:57:12,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797119253] [2022-12-13 13:57:12,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:12,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:57:12,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:57:12,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:57:12,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:57:12,877 INFO L87 Difference]: Start difference. First operand has 24 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 23 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:57:12,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:12,900 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2022-12-13 13:57:12,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:57:12,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-13 13:57:12,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:12,910 INFO L225 Difference]: With dead ends: 28 [2022-12-13 13:57:12,910 INFO L226 Difference]: Without dead ends: 19 [2022-12-13 13:57:12,913 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 [2022-12-13 13:57:12,916 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 19 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:12,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 22 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:57:12,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-12-13 13:57:12,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-12-13 13:57:12,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 18 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) [2022-12-13 13:57:12,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2022-12-13 13:57:12,948 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 5 [2022-12-13 13:57:12,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:12,949 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2022-12-13 13:57:12,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:57:12,949 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2022-12-13 13:57:12,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 13:57:12,950 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:12,950 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 13:57:12,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:57:12,950 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 13:57:12,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:12,951 INFO L85 PathProgramCache]: Analyzing trace with hash 889513645, now seen corresponding path program 1 times [2022-12-13 13:57:12,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:57:12,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076239011] [2022-12-13 13:57:12,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:12,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:57:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:12,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:12,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:57:12,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076239011] [2022-12-13 13:57:12,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076239011] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:12,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:12,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:57:12,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543833285] [2022-12-13 13:57:12,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:12,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:57:12,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:57:12,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:57:12,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:57:12,988 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:57:13,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:13,010 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2022-12-13 13:57:13,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:57:13,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-13 13:57:13,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:13,012 INFO L225 Difference]: With dead ends: 23 [2022-12-13 13:57:13,012 INFO L226 Difference]: Without dead ends: 22 [2022-12-13 13:57:13,012 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 [2022-12-13 13:57:13,014 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:13,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:57:13,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-12-13 13:57:13,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-12-13 13:57:13,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 21 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:57:13,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2022-12-13 13:57:13,019 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 6 [2022-12-13 13:57:13,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:13,020 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2022-12-13 13:57:13,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:57:13,020 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2022-12-13 13:57:13,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 13:57:13,020 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:13,021 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:57:13,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:57:13,021 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 13:57:13,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:13,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1805119269, now seen corresponding path program 1 times [2022-12-13 13:57:13,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:57:13,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17059115] [2022-12-13 13:57:13,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:13,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:57:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:13,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:13,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:57:13,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17059115] [2022-12-13 13:57:13,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17059115] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:13,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:13,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:57:13,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661732657] [2022-12-13 13:57:13,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:13,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:57:13,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:57:13,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:57:13,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:57:13,061 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:57:13,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:13,078 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2022-12-13 13:57:13,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:57:13,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-13 13:57:13,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:13,079 INFO L225 Difference]: With dead ends: 22 [2022-12-13 13:57:13,079 INFO L226 Difference]: Without dead ends: 21 [2022-12-13 13:57:13,080 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 [2022-12-13 13:57:13,081 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 11 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:13,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 12 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:57:13,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-12-13 13:57:13,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-12-13 13:57:13,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.4) internal successors, (21), 20 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:57:13,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2022-12-13 13:57:13,085 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 7 [2022-12-13 13:57:13,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:13,085 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2022-12-13 13:57:13,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:57:13,085 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2022-12-13 13:57:13,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 13:57:13,086 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:13,086 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:57:13,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 13:57:13,086 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 13:57:13,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:13,087 INFO L85 PathProgramCache]: Analyzing trace with hash 124122543, now seen corresponding path program 1 times [2022-12-13 13:57:13,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:57:13,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118609430] [2022-12-13 13:57:13,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:13,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:57:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:13,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:13,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:57:13,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118609430] [2022-12-13 13:57:13,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118609430] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:13,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:13,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:57:13,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191842434] [2022-12-13 13:57:13,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:13,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:57:13,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:57:13,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:57:13,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:57:13,124 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:57:13,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:13,139 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2022-12-13 13:57:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:57:13,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-13 13:57:13,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:13,140 INFO L225 Difference]: With dead ends: 21 [2022-12-13 13:57:13,140 INFO L226 Difference]: Without dead ends: 20 [2022-12-13 13:57:13,140 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 [2022-12-13 13:57:13,142 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 9 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:13,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 10 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:57:13,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-12-13 13:57:13,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-12-13 13:57:13,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 19 states have internal predecessors, (20), 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) [2022-12-13 13:57:13,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2022-12-13 13:57:13,147 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 8 [2022-12-13 13:57:13,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:13,147 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2022-12-13 13:57:13,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:57:13,147 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-12-13 13:57:13,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 13:57:13,148 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:13,148 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:57:13,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 13:57:13,148 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 13:57:13,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:13,149 INFO L85 PathProgramCache]: Analyzing trace with hash -447168409, now seen corresponding path program 1 times [2022-12-13 13:57:13,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:57:13,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447301589] [2022-12-13 13:57:13,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:13,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:57:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:13,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:13,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:57:13,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447301589] [2022-12-13 13:57:13,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447301589] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:13,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:13,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:57:13,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958833166] [2022-12-13 13:57:13,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:13,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:57:13,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:57:13,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:57:13,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:57:13,185 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:57:13,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:13,199 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2022-12-13 13:57:13,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:57:13,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-13 13:57:13,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:13,200 INFO L225 Difference]: With dead ends: 20 [2022-12-13 13:57:13,200 INFO L226 Difference]: Without dead ends: 19 [2022-12-13 13:57:13,201 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 [2022-12-13 13:57:13,202 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 8 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:13,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:57:13,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-12-13 13:57:13,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-12-13 13:57:13,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 18 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) [2022-12-13 13:57:13,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2022-12-13 13:57:13,206 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 9 [2022-12-13 13:57:13,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:13,206 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2022-12-13 13:57:13,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:57:13,206 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2022-12-13 13:57:13,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 13:57:13,207 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:13,207 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:57:13,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 13:57:13,207 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 13:57:13,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:13,208 INFO L85 PathProgramCache]: Analyzing trace with hash -977318735, now seen corresponding path program 1 times [2022-12-13 13:57:13,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:57:13,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594063158] [2022-12-13 13:57:13,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:13,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:57:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:13,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:13,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:57:13,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594063158] [2022-12-13 13:57:13,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594063158] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:13,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:13,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:57:13,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29713029] [2022-12-13 13:57:13,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:13,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:57:13,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:57:13,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:57:13,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:57:13,237 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:57:13,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:13,247 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-12-13 13:57:13,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:57:13,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-13 13:57:13,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:13,248 INFO L225 Difference]: With dead ends: 19 [2022-12-13 13:57:13,248 INFO L226 Difference]: Without dead ends: 18 [2022-12-13 13:57:13,249 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 [2022-12-13 13:57:13,249 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 6 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:13,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 9 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:57:13,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-12-13 13:57:13,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-12-13 13:57:13,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:57:13,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-12-13 13:57:13,252 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 10 [2022-12-13 13:57:13,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:13,252 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-12-13 13:57:13,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:57:13,252 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-12-13 13:57:13,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 13:57:13,252 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:13,253 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:57:13,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 13:57:13,253 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 13:57:13,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:13,253 INFO L85 PathProgramCache]: Analyzing trace with hash -232109655, now seen corresponding path program 1 times [2022-12-13 13:57:13,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:57:13,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429414281] [2022-12-13 13:57:13,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:13,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:57:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:13,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:13,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:57:13,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429414281] [2022-12-13 13:57:13,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429414281] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:13,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:13,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:57:13,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351571845] [2022-12-13 13:57:13,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:13,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:57:13,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:57:13,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:57:13,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:57:13,285 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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) [2022-12-13 13:57:13,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:13,309 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2022-12-13 13:57:13,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 13:57:13,310 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 [2022-12-13 13:57:13,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:13,310 INFO L225 Difference]: With dead ends: 18 [2022-12-13 13:57:13,310 INFO L226 Difference]: Without dead ends: 17 [2022-12-13 13:57:13,311 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 [2022-12-13 13:57:13,311 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 14 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:13,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 8 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:57:13,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-13 13:57:13,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-12-13 13:57:13,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 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) [2022-12-13 13:57:13,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2022-12-13 13:57:13,314 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 11 [2022-12-13 13:57:13,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:13,314 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2022-12-13 13:57:13,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-12-13 13:57:13,314 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2022-12-13 13:57:13,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 13:57:13,315 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:13,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:57:13,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 13:57:13,315 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 13:57:13,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:13,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1394535347, now seen corresponding path program 1 times [2022-12-13 13:57:13,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:57:13,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725777704] [2022-12-13 13:57:13,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:13,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:57:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:13,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:13,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:57:13,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725777704] [2022-12-13 13:57:13,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725777704] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:13,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:13,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:57:13,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512495374] [2022-12-13 13:57:13,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:13,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:57:13,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:57:13,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:57:13,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:57:13,346 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:57:13,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:13,365 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2022-12-13 13:57:13,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 13:57:13,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-13 13:57:13,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:13,366 INFO L225 Difference]: With dead ends: 17 [2022-12-13 13:57:13,366 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 13:57:13,367 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 [2022-12-13 13:57:13,367 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 10 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:13,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 7 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:57:13,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 13:57:13,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 13:57:13,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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) [2022-12-13 13:57:13,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2022-12-13 13:57:13,370 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 12 [2022-12-13 13:57:13,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:13,370 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2022-12-13 13:57:13,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:57:13,370 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2022-12-13 13:57:13,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 13:57:13,370 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:13,370 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:57:13,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 13:57:13,371 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 13:57:13,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:13,371 INFO L85 PathProgramCache]: Analyzing trace with hash -616087973, now seen corresponding path program 1 times [2022-12-13 13:57:13,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:57:13,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794661573] [2022-12-13 13:57:13,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:13,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:57:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:13,398 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:13,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:57:13,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794661573] [2022-12-13 13:57:13,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794661573] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:57:13,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327477349] [2022-12-13 13:57:13,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:13,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:57:13,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:57:13,400 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:57:13,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 13:57:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:13,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 13:57:13,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:57:13,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:13,480 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:57:13,511 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:13,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327477349] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:57:13,511 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:57:13,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-12-13 13:57:13,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557242016] [2022-12-13 13:57:13,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:57:13,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:57:13,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:57:13,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:57:13,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:57:13,513 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 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) [2022-12-13 13:57:13,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:13,530 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2022-12-13 13:57:13,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:57:13,531 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 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 15 [2022-12-13 13:57:13,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:13,531 INFO L225 Difference]: With dead ends: 44 [2022-12-13 13:57:13,531 INFO L226 Difference]: Without dead ends: 43 [2022-12-13 13:57:13,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:57:13,532 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:13,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 41 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:57:13,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-12-13 13:57:13,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-12-13 13:57:13,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.0238095238095237) internal successors, (43), 42 states have internal predecessors, (43), 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) [2022-12-13 13:57:13,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2022-12-13 13:57:13,535 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 15 [2022-12-13 13:57:13,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:13,536 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2022-12-13 13:57:13,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 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) [2022-12-13 13:57:13,536 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2022-12-13 13:57:13,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 13:57:13,536 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:13,536 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2022-12-13 13:57:13,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 13:57:13,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:57:13,739 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 13:57:13,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:13,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1635581485, now seen corresponding path program 2 times [2022-12-13 13:57:13,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:57:13,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139619606] [2022-12-13 13:57:13,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:13,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:57:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:13,932 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:13,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:57:13,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139619606] [2022-12-13 13:57:13,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139619606] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:57:13,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535937767] [2022-12-13 13:57:13,933 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 13:57:13,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:57:13,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:57:13,934 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:57:13,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 13:57:13,970 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 13:57:13,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:57:13,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 13:57:13,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:57:14,029 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:14,030 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:57:14,112 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:14,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535937767] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:57:14,113 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:57:14,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2022-12-13 13:57:14,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943332991] [2022-12-13 13:57:14,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:57:14,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 13:57:14,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:57:14,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 13:57:14,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:57:14,116 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 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) [2022-12-13 13:57:14,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:14,156 INFO L93 Difference]: Finished difference Result 98 states and 103 transitions. [2022-12-13 13:57:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 13:57:14,157 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 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 42 [2022-12-13 13:57:14,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:14,157 INFO L225 Difference]: With dead ends: 98 [2022-12-13 13:57:14,157 INFO L226 Difference]: Without dead ends: 97 [2022-12-13 13:57:14,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:57:14,158 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:14,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 83 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:57:14,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-12-13 13:57:14,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-12-13 13:57:14,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.0104166666666667) internal successors, (97), 96 states have internal predecessors, (97), 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) [2022-12-13 13:57:14,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2022-12-13 13:57:14,165 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 42 [2022-12-13 13:57:14,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:14,165 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2022-12-13 13:57:14,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 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) [2022-12-13 13:57:14,166 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2022-12-13 13:57:14,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-13 13:57:14,167 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:14,167 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2022-12-13 13:57:14,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 13:57:14,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 13:57:14,369 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 13:57:14,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:14,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1587652243, now seen corresponding path program 3 times [2022-12-13 13:57:14,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:57:14,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539238895] [2022-12-13 13:57:14,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:14,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:57:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:14,638 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:14,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:57:14,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539238895] [2022-12-13 13:57:14,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539238895] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:57:14,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822579412] [2022-12-13 13:57:14,638 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 13:57:14,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:57:14,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:57:14,639 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:57:14,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 13:57:14,693 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-12-13 13:57:14,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:57:14,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 13:57:14,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:57:14,800 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:14,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:57:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:15,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822579412] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:57:15,025 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:57:15,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2022-12-13 13:57:15,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793046789] [2022-12-13 13:57:15,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:57:15,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 13:57:15,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:57:15,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 13:57:15,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-12-13 13:57:15,028 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand has 24 states, 23 states have (on average 8.304347826086957) internal successors, (191), 24 states have internal predecessors, (191), 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) [2022-12-13 13:57:15,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:15,098 INFO L93 Difference]: Finished difference Result 206 states and 217 transitions. [2022-12-13 13:57:15,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 13:57:15,098 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.304347826086957) internal successors, (191), 24 states have internal predecessors, (191), 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 96 [2022-12-13 13:57:15,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:15,100 INFO L225 Difference]: With dead ends: 206 [2022-12-13 13:57:15,100 INFO L226 Difference]: Without dead ends: 205 [2022-12-13 13:57:15,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-12-13 13:57:15,101 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:15,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 167 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:57:15,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-12-13 13:57:15,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2022-12-13 13:57:15,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 204 states have (on average 1.0049019607843137) internal successors, (205), 204 states have internal predecessors, (205), 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) [2022-12-13 13:57:15,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 205 transitions. [2022-12-13 13:57:15,116 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 205 transitions. Word has length 96 [2022-12-13 13:57:15,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:15,116 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 205 transitions. [2022-12-13 13:57:15,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.304347826086957) internal successors, (191), 24 states have internal predecessors, (191), 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) [2022-12-13 13:57:15,117 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 205 transitions. [2022-12-13 13:57:15,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-12-13 13:57:15,120 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:15,120 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1] [2022-12-13 13:57:15,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 13:57:15,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:57:15,321 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 13:57:15,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:15,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1541521427, now seen corresponding path program 4 times [2022-12-13 13:57:15,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:57:15,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614240642] [2022-12-13 13:57:15,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:15,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:57:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:15,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:15,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:57:15,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614240642] [2022-12-13 13:57:15,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614240642] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:57:15,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274314548] [2022-12-13 13:57:15,994 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 13:57:15,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:57:15,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:57:15,995 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:57:15,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 13:57:16,059 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 13:57:16,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:57:16,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-13 13:57:16,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:57:16,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:16,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:57:16,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:16,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274314548] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:57:16,912 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:57:16,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2022-12-13 13:57:16,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564154839] [2022-12-13 13:57:16,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:57:16,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-12-13 13:57:16,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:57:16,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-12-13 13:57:16,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2022-12-13 13:57:16,916 INFO L87 Difference]: Start difference. First operand 205 states and 205 transitions. Second operand has 48 states, 47 states have (on average 8.659574468085106) internal successors, (407), 48 states have internal predecessors, (407), 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) [2022-12-13 13:57:17,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:17,153 INFO L93 Difference]: Finished difference Result 422 states and 445 transitions. [2022-12-13 13:57:17,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-12-13 13:57:17,154 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 8.659574468085106) internal successors, (407), 48 states have internal predecessors, (407), 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 204 [2022-12-13 13:57:17,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:17,156 INFO L225 Difference]: With dead ends: 422 [2022-12-13 13:57:17,156 INFO L226 Difference]: Without dead ends: 421 [2022-12-13 13:57:17,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2022-12-13 13:57:17,157 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:17,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 339 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:57:17,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2022-12-13 13:57:17,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2022-12-13 13:57:17,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.0023809523809524) internal successors, (421), 420 states have internal predecessors, (421), 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) [2022-12-13 13:57:17,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 421 transitions. [2022-12-13 13:57:17,176 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 421 transitions. Word has length 204 [2022-12-13 13:57:17,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:17,177 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 421 transitions. [2022-12-13 13:57:17,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 8.659574468085106) internal successors, (407), 48 states have internal predecessors, (407), 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) [2022-12-13 13:57:17,177 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 421 transitions. [2022-12-13 13:57:17,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2022-12-13 13:57:17,182 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:17,182 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 46, 46, 46, 46, 1, 1, 1, 1] [2022-12-13 13:57:17,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 13:57:17,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:57:17,384 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 13:57:17,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:17,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1052953837, now seen corresponding path program 5 times [2022-12-13 13:57:17,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:57:17,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098328135] [2022-12-13 13:57:17,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:17,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:57:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:19,216 INFO L134 CoverageAnalysis]: Checked inductivity of 9453 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:19,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:57:19,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098328135] [2022-12-13 13:57:19,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098328135] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:57:19,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142394780] [2022-12-13 13:57:19,217 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-13 13:57:19,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:57:19,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:57:19,218 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:57:19,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 13:57:19,346 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2022-12-13 13:57:19,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:57:19,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-13 13:57:19,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:57:19,712 INFO L134 CoverageAnalysis]: Checked inductivity of 9453 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:19,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:57:21,758 INFO L134 CoverageAnalysis]: Checked inductivity of 9453 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:21,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142394780] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:57:21,759 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:57:21,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2022-12-13 13:57:21,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550740508] [2022-12-13 13:57:21,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:57:21,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-12-13 13:57:21,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:57:21,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-12-13 13:57:21,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2022-12-13 13:57:21,764 INFO L87 Difference]: Start difference. First operand 421 states and 421 transitions. Second operand has 96 states, 95 states have (on average 8.83157894736842) internal successors, (839), 96 states have internal predecessors, (839), 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) [2022-12-13 13:57:22,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:22,171 INFO L93 Difference]: Finished difference Result 854 states and 901 transitions. [2022-12-13 13:57:22,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-12-13 13:57:22,172 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 8.83157894736842) internal successors, (839), 96 states have internal predecessors, (839), 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 420 [2022-12-13 13:57:22,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:22,176 INFO L225 Difference]: With dead ends: 854 [2022-12-13 13:57:22,176 INFO L226 Difference]: Without dead ends: 853 [2022-12-13 13:57:22,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 886 GetRequests, 792 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2022-12-13 13:57:22,178 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:22,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 676 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 13:57:22,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2022-12-13 13:57:22,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 853. [2022-12-13 13:57:22,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 852 states have (on average 1.0011737089201878) internal successors, (853), 852 states have internal predecessors, (853), 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) [2022-12-13 13:57:22,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 853 transitions. [2022-12-13 13:57:22,193 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 853 transitions. Word has length 420 [2022-12-13 13:57:22,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:22,194 INFO L495 AbstractCegarLoop]: Abstraction has 853 states and 853 transitions. [2022-12-13 13:57:22,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 8.83157894736842) internal successors, (839), 96 states have internal predecessors, (839), 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) [2022-12-13 13:57:22,194 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 853 transitions. [2022-12-13 13:57:22,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 853 [2022-12-13 13:57:22,211 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:22,211 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 94, 94, 94, 94, 94, 94, 94, 1, 1, 1, 1] [2022-12-13 13:57:22,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 13:57:22,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-13 13:57:22,413 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 13:57:22,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:22,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1709250835, now seen corresponding path program 6 times [2022-12-13 13:57:22,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:57:22,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679109622] [2022-12-13 13:57:22,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:22,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:57:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:28,139 INFO L134 CoverageAnalysis]: Checked inductivity of 39621 backedges. 0 proven. 39621 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:28,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:57:28,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679109622] [2022-12-13 13:57:28,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679109622] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:57:28,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952252671] [2022-12-13 13:57:28,140 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-12-13 13:57:28,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:57:28,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:57:28,141 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:57:28,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 13:57:28,411 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2022-12-13 13:57:28,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:57:28,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 96 conjunts are in the unsatisfiable core [2022-12-13 13:57:28,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:57:29,103 INFO L134 CoverageAnalysis]: Checked inductivity of 39621 backedges. 0 proven. 39621 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:29,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:57:36,356 INFO L134 CoverageAnalysis]: Checked inductivity of 39621 backedges. 0 proven. 39621 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:57:36,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952252671] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:57:36,357 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:57:36,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2022-12-13 13:57:36,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780115587] [2022-12-13 13:57:36,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:57:36,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2022-12-13 13:57:36,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:57:36,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2022-12-13 13:57:36,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2022-12-13 13:57:36,370 INFO L87 Difference]: Start difference. First operand 853 states and 853 transitions. Second operand has 192 states, 191 states have (on average 8.916230366492147) internal successors, (1703), 192 states have internal predecessors, (1703), 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) [2022-12-13 13:57:38,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:38,235 INFO L93 Difference]: Finished difference Result 1718 states and 1813 transitions. [2022-12-13 13:57:38,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2022-12-13 13:57:38,236 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 8.916230366492147) internal successors, (1703), 192 states have internal predecessors, (1703), 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 852 [2022-12-13 13:57:38,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:38,241 INFO L225 Difference]: With dead ends: 1718 [2022-12-13 13:57:38,241 INFO L226 Difference]: Without dead ends: 1717 [2022-12-13 13:57:38,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1798 GetRequests, 1608 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2022-12-13 13:57:38,244 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 1337 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1348 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:38,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1348 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 13:57:38,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2022-12-13 13:57:38,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1717. [2022-12-13 13:57:38,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1717 states, 1716 states have (on average 1.0005827505827505) internal successors, (1717), 1716 states have internal predecessors, (1717), 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) [2022-12-13 13:57:38,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 1717 transitions. [2022-12-13 13:57:38,267 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 1717 transitions. Word has length 852 [2022-12-13 13:57:38,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:38,267 INFO L495 AbstractCegarLoop]: Abstraction has 1717 states and 1717 transitions. [2022-12-13 13:57:38,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 8.916230366492147) internal successors, (1703), 192 states have internal predecessors, (1703), 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) [2022-12-13 13:57:38,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 1717 transitions. [2022-12-13 13:57:38,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1717 [2022-12-13 13:57:38,281 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:38,281 INFO L195 NwaCegarLoop]: trace histogram [191, 191, 190, 190, 190, 190, 190, 190, 190, 1, 1, 1, 1] [2022-12-13 13:57:38,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-12-13 13:57:38,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 13:57:38,483 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 13:57:38,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:38,485 INFO L85 PathProgramCache]: Analyzing trace with hash -182248723, now seen corresponding path program 7 times [2022-12-13 13:57:38,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:57:38,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363846944] [2022-12-13 13:57:38,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:38,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:57:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:58:08,982 INFO L134 CoverageAnalysis]: Checked inductivity of 162165 backedges. 0 proven. 162165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:58:08,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:58:08,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363846944] [2022-12-13 13:58:08,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363846944] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:58:08,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63475630] [2022-12-13 13:58:08,983 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-13 13:58:08,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:58:08,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:58:08,984 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:58:08,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 13:58:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:58:09,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 2674 conjuncts, 192 conjunts are in the unsatisfiable core [2022-12-13 13:58:09,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:58:10,649 INFO L134 CoverageAnalysis]: Checked inductivity of 162165 backedges. 0 proven. 162165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:58:10,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:58:37,851 INFO L134 CoverageAnalysis]: Checked inductivity of 162165 backedges. 0 proven. 162165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:58:37,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63475630] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:58:37,851 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:58:37,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 192, 192] total 383 [2022-12-13 13:58:37,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306926896] [2022-12-13 13:58:37,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:58:37,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2022-12-13 13:58:37,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:58:37,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2022-12-13 13:58:37,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73536, Invalid=73536, Unknown=0, NotChecked=0, Total=147072 [2022-12-13 13:58:37,887 INFO L87 Difference]: Start difference. First operand 1717 states and 1717 transitions. Second operand has 384 states, 383 states have (on average 8.95822454308094) internal successors, (3431), 384 states have internal predecessors, (3431), 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) [2022-12-13 13:58:45,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:58:45,926 INFO L93 Difference]: Finished difference Result 3446 states and 3637 transitions. [2022-12-13 13:58:45,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2022-12-13 13:58:45,928 INFO L78 Accepts]: Start accepts. Automaton has has 384 states, 383 states have (on average 8.95822454308094) internal successors, (3431), 384 states have internal predecessors, (3431), 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 1716 [2022-12-13 13:58:45,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:58:45,933 INFO L225 Difference]: With dead ends: 3446 [2022-12-13 13:58:45,933 INFO L226 Difference]: Without dead ends: 3445 [2022-12-13 13:58:45,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3622 GetRequests, 3240 SyntacticMatches, 0 SemanticMatches, 382 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.2s TimeCoverageRelationStatistics Valid=73536, Invalid=73536, Unknown=0, NotChecked=0, Total=147072 [2022-12-13 13:58:45,940 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 2678 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2689 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 13:58:45,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2689 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 13:58:45,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3445 states. [2022-12-13 13:58:45,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3445 to 3445. [2022-12-13 13:58:45,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3445 states, 3444 states have (on average 1.0002903600464577) internal successors, (3445), 3444 states have internal predecessors, (3445), 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) [2022-12-13 13:58:45,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 3445 states and 3445 transitions. [2022-12-13 13:58:45,984 INFO L78 Accepts]: Start accepts. Automaton has 3445 states and 3445 transitions. Word has length 1716 [2022-12-13 13:58:45,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:58:45,985 INFO L495 AbstractCegarLoop]: Abstraction has 3445 states and 3445 transitions. [2022-12-13 13:58:45,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 384 states, 383 states have (on average 8.95822454308094) internal successors, (3431), 384 states have internal predecessors, (3431), 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) [2022-12-13 13:58:45,986 INFO L276 IsEmpty]: Start isEmpty. Operand 3445 states and 3445 transitions. [2022-12-13 13:58:46,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3445 [2022-12-13 13:58:46,033 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:58:46,033 INFO L195 NwaCegarLoop]: trace histogram [383, 383, 382, 382, 382, 382, 382, 382, 382, 1, 1, 1, 1] [2022-12-13 13:58:46,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-13 13:58:46,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-13 13:58:46,234 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 13:58:46,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:58:46,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1671724307, now seen corresponding path program 8 times [2022-12-13 13:58:46,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:58:46,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458748490] [2022-12-13 13:58:46,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:58:46,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:58:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:05,112 INFO L134 CoverageAnalysis]: Checked inductivity of 656085 backedges. 0 proven. 656085 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:02:05,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:02:05,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458748490] [2022-12-13 14:02:05,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458748490] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:02:05,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968261645] [2022-12-13 14:02:05,112 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 14:02:05,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:02:05,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:02:05,113 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:02:05,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 14:02:05,760 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 14:02:05,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:02:05,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 5362 conjuncts, 384 conjunts are in the unsatisfiable core [2022-12-13 14:02:05,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:02:08,657 INFO L134 CoverageAnalysis]: Checked inductivity of 656085 backedges. 0 proven. 656085 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:02:08,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:03:56,836 INFO L134 CoverageAnalysis]: Checked inductivity of 656085 backedges. 0 proven. 656085 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:03:56,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968261645] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:03:56,836 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:03:56,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [384, 384, 384] total 767 [2022-12-13 14:03:56,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415583393] [2022-12-13 14:03:56,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:03:56,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 768 states [2022-12-13 14:03:56,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:56,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 768 interpolants. [2022-12-13 14:03:56,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=294528, Invalid=294528, Unknown=0, NotChecked=0, Total=589056 [2022-12-13 14:03:56,901 INFO L87 Difference]: Start difference. First operand 3445 states and 3445 transitions. Second operand has 768 states, 767 states have (on average 8.979139504563234) internal successors, (6887), 768 states have internal predecessors, (6887), 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) [2022-12-13 14:05:26,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:05:26,135 INFO L93 Difference]: Finished difference Result 6902 states and 7285 transitions. [2022-12-13 14:05:26,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 768 states. [2022-12-13 14:05:26,137 INFO L78 Accepts]: Start accepts. Automaton has has 768 states, 767 states have (on average 8.979139504563234) internal successors, (6887), 768 states have internal predecessors, (6887), 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 3444 [2022-12-13 14:05:26,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:05:26,148 INFO L225 Difference]: With dead ends: 6902 [2022-12-13 14:05:26,148 INFO L226 Difference]: Without dead ends: 6901 [2022-12-13 14:05:26,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7270 GetRequests, 6504 SyntacticMatches, 0 SemanticMatches, 766 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 139.6s TimeCoverageRelationStatistics Valid=294528, Invalid=294528, Unknown=0, NotChecked=0, Total=589056 [2022-12-13 14:05:26,173 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 5370 mSDsCounter, 0 mSdLazyCounter, 1542 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 5381 SdHoareTripleChecker+Invalid, 1543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:05:26,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 5381 Invalid, 1543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1542 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 14:05:26,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6901 states. [2022-12-13 14:05:26,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6901 to 6901. [2022-12-13 14:05:26,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6901 states, 6900 states have (on average 1.000144927536232) internal successors, (6901), 6900 states have internal predecessors, (6901), 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) [2022-12-13 14:05:26,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6901 states to 6901 states and 6901 transitions. [2022-12-13 14:05:26,260 INFO L78 Accepts]: Start accepts. Automaton has 6901 states and 6901 transitions. Word has length 3444 [2022-12-13 14:05:26,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:05:26,261 INFO L495 AbstractCegarLoop]: Abstraction has 6901 states and 6901 transitions. [2022-12-13 14:05:26,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 768 states, 767 states have (on average 8.979139504563234) internal successors, (6887), 768 states have internal predecessors, (6887), 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) [2022-12-13 14:05:26,264 INFO L276 IsEmpty]: Start isEmpty. Operand 6901 states and 6901 transitions. [2022-12-13 14:05:26,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6901 [2022-12-13 14:05:26,467 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:05:26,468 INFO L195 NwaCegarLoop]: trace histogram [767, 767, 766, 766, 766, 766, 766, 766, 766, 1, 1, 1, 1] [2022-12-13 14:05:26,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 14:05:26,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_077872c8-dcbb-4e91-9f21-ff530a8ecf78/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-13 14:05:26,670 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 14:05:26,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:05:26,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1349758227, now seen corresponding path program 9 times [2022-12-13 14:05:26,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:05:26,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084819611] [2022-12-13 14:05:26,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:05:26,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:05:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat