./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a16238-4f73-4561-b3fb-e6881a640310/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a16238-4f73-4561-b3fb-e6881a640310/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_00a16238-4f73-4561-b3fb-e6881a640310/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a16238-4f73-4561-b3fb-e6881a640310/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a16238-4f73-4561-b3fb-e6881a640310/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_00a16238-4f73-4561-b3fb-e6881a640310/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 0e00bd958aa9fbd5730471fb19c0f431fb9410b6f9738fcfd6ac5e9594f9dc7f --- 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 12:35:05,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:35:05,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:35:05,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:35:05,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:35:05,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:35:05,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:35:05,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:35:05,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:35:05,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:35:05,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:35:05,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:35:05,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:35:05,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:35:05,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:35:05,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:35:05,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:35:05,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:35:05,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:35:05,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:35:05,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:35:05,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:35:05,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:35:05,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:35:05,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:35:05,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:35:05,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:35:05,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:35:05,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:35:05,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:35:05,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:35:05,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:35:05,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:35:05,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:35:05,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:35:05,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:35:05,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:35:05,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:35:05,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:35:05,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:35:05,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:35:05,385 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a16238-4f73-4561-b3fb-e6881a640310/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 12:35:05,399 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:35:05,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:35:05,399 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:35:05,399 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:35:05,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:35:05,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:35:05,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:35:05,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:35:05,401 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:35:05,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:35:05,401 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:35:05,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:35:05,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:35:05,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:35:05,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:35:05,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:35:05,402 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 12:35:05,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:35:05,402 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:35:05,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:35:05,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:35:05,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:35:05,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:35:05,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:35:05,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:35:05,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:35:05,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:35:05,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:35:05,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:35:05,404 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:35:05,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:35:05,404 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:35:05,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:35:05,405 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:35:05,405 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_00a16238-4f73-4561-b3fb-e6881a640310/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a16238-4f73-4561-b3fb-e6881a640310/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e00bd958aa9fbd5730471fb19c0f431fb9410b6f9738fcfd6ac5e9594f9dc7f [2022-12-13 12:35:05,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:35:05,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:35:05,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:35:05,596 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:35:05,596 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:35:05,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a16238-4f73-4561-b3fb-e6881a640310/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i [2022-12-13 12:35:08,216 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:35:08,360 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:35:08,360 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a16238-4f73-4561-b3fb-e6881a640310/sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i [2022-12-13 12:35:08,367 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a16238-4f73-4561-b3fb-e6881a640310/bin/uautomizer-uyxdKDjOR8/data/b59fea4aa/1f7a54015218437da77723f93d331d88/FLAG3938bcf39 [2022-12-13 12:35:08,378 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a16238-4f73-4561-b3fb-e6881a640310/bin/uautomizer-uyxdKDjOR8/data/b59fea4aa/1f7a54015218437da77723f93d331d88 [2022-12-13 12:35:08,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:35:08,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:35:08,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:35:08,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:35:08,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:35:08,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:35:08" (1/1) ... [2022-12-13 12:35:08,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e60341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:08, skipping insertion in model container [2022-12-13 12:35:08,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:35:08" (1/1) ... [2022-12-13 12:35:08,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:35:08,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:35:08,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:35:08,671 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:35:08,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:35:08,728 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:35:08,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:08 WrapperNode [2022-12-13 12:35:08,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:35:08,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:35:08,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:35:08,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:35:08,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:08" (1/1) ... [2022-12-13 12:35:08,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:08" (1/1) ... [2022-12-13 12:35:08,768 INFO L138 Inliner]: procedures = 111, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 134 [2022-12-13 12:35:08,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:35:08,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:35:08,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:35:08,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:35:08,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:08" (1/1) ... [2022-12-13 12:35:08,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:08" (1/1) ... [2022-12-13 12:35:08,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:08" (1/1) ... [2022-12-13 12:35:08,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:08" (1/1) ... [2022-12-13 12:35:08,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:08" (1/1) ... [2022-12-13 12:35:08,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:08" (1/1) ... [2022-12-13 12:35:08,788 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:08" (1/1) ... [2022-12-13 12:35:08,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:08" (1/1) ... [2022-12-13 12:35:08,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:35:08,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:35:08,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:35:08,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:35:08,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:08" (1/1) ... [2022-12-13 12:35:08,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:35:08,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a16238-4f73-4561-b3fb-e6881a640310/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:35:08,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a16238-4f73-4561-b3fb-e6881a640310/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:35:08,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a16238-4f73-4561-b3fb-e6881a640310/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:35:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:35:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:35:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:35:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:35:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:35:08,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:35:08,934 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:35:08,936 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:35:09,126 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:35:09,131 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:35:09,131 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 12:35:09,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:35:09 BoogieIcfgContainer [2022-12-13 12:35:09,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:35:09,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:35:09,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:35:09,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:35:09,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:35:08" (1/3) ... [2022-12-13 12:35:09,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5011f338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:35:09, skipping insertion in model container [2022-12-13 12:35:09,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:08" (2/3) ... [2022-12-13 12:35:09,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5011f338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:35:09, skipping insertion in model container [2022-12-13 12:35:09,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:35:09" (3/3) ... [2022-12-13 12:35:09,146 INFO L112 eAbstractionObserver]: Analyzing ICFG a.06-alloca.i [2022-12-13 12:35:09,160 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:35:09,160 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-12-13 12:35:09,194 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:35:09,198 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;@f9e7aa8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:35:09,199 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-12-13 12:35:09,202 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 29 states have (on average 1.6206896551724137) internal successors, (47), 39 states have internal predecessors, (47), 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 12:35:09,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 12:35:09,206 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:09,207 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 12:35:09,207 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:09,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:09,211 INFO L85 PathProgramCache]: Analyzing trace with hash 28695781, now seen corresponding path program 1 times [2022-12-13 12:35:09,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:09,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562817175] [2022-12-13 12:35:09,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:09,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,898 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 12:35:09,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:09,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562817175] [2022-12-13 12:35:09,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562817175] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:09,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:09,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:35:09,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681199146] [2022-12-13 12:35:09,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:09,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:35:09,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:09,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:35:09,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:35:09,936 INFO L87 Difference]: Start difference. First operand has 40 states, 29 states have (on average 1.6206896551724137) internal successors, (47), 39 states have internal predecessors, (47), 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 5 states, 4 states have (on average 1.25) internal successors, (5), 5 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 12:35:10,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:10,011 INFO L93 Difference]: Finished difference Result 64 states and 76 transitions. [2022-12-13 12:35:10,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:35:10,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 5 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 12:35:10,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:10,020 INFO L225 Difference]: With dead ends: 64 [2022-12-13 12:35:10,020 INFO L226 Difference]: Without dead ends: 53 [2022-12-13 12:35:10,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:35:10,026 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 107 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:10,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 80 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:10,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-12-13 12:35:10,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 34. [2022-12-13 12:35:10,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 25 states have (on average 1.6) internal successors, (40), 33 states have internal predecessors, (40), 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 12:35:10,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2022-12-13 12:35:10,051 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 5 [2022-12-13 12:35:10,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:10,051 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2022-12-13 12:35:10,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 5 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 12:35:10,052 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2022-12-13 12:35:10,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 12:35:10,052 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:10,052 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 12:35:10,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:35:10,052 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:10,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:10,053 INFO L85 PathProgramCache]: Analyzing trace with hash 889569255, now seen corresponding path program 1 times [2022-12-13 12:35:10,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:10,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427560416] [2022-12-13 12:35:10,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:10,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:10,136 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 12:35:10,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:10,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427560416] [2022-12-13 12:35:10,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427560416] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:10,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:10,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:35:10,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263809703] [2022-12-13 12:35:10,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:10,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:35:10,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:10,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:35:10,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:35:10,139 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 12:35:10,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:10,189 INFO L93 Difference]: Finished difference Result 53 states and 64 transitions. [2022-12-13 12:35:10,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:35:10,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 12:35:10,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:10,191 INFO L225 Difference]: With dead ends: 53 [2022-12-13 12:35:10,191 INFO L226 Difference]: Without dead ends: 52 [2022-12-13 12:35:10,192 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 12:35:10,193 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 50 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:10,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 103 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:10,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-13 12:35:10,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 33. [2022-12-13 12:35:10,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 25 states have (on average 1.56) internal successors, (39), 32 states have internal predecessors, (39), 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 12:35:10,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2022-12-13 12:35:10,200 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 6 [2022-12-13 12:35:10,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:10,200 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2022-12-13 12:35:10,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 12:35:10,200 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2022-12-13 12:35:10,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 12:35:10,201 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:10,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:10,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:35:10,201 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:10,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:10,202 INFO L85 PathProgramCache]: Analyzing trace with hash 183292466, now seen corresponding path program 1 times [2022-12-13 12:35:10,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:10,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375419842] [2022-12-13 12:35:10,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:10,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:10,284 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 12:35:10,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:10,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375419842] [2022-12-13 12:35:10,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375419842] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:10,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:10,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:35:10,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689206228] [2022-12-13 12:35:10,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:10,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:35:10,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:10,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:35:10,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:35:10,287 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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 12:35:10,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:10,345 INFO L93 Difference]: Finished difference Result 68 states and 82 transitions. [2022-12-13 12:35:10,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:35:10,345 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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 12:35:10,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:10,346 INFO L225 Difference]: With dead ends: 68 [2022-12-13 12:35:10,346 INFO L226 Difference]: Without dead ends: 67 [2022-12-13 12:35:10,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:35:10,347 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 43 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:10,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 114 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:10,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-12-13 12:35:10,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 37. [2022-12-13 12:35:10,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 29 states have (on average 1.5517241379310345) internal successors, (45), 36 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:35:10,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 45 transitions. [2022-12-13 12:35:10,353 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 45 transitions. Word has length 8 [2022-12-13 12:35:10,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:10,353 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 45 transitions. [2022-12-13 12:35:10,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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 12:35:10,353 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-12-13 12:35:10,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 12:35:10,354 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:10,354 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:10,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 12:35:10,354 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:10,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:10,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1387049590, now seen corresponding path program 1 times [2022-12-13 12:35:10,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:10,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866419727] [2022-12-13 12:35:10,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:10,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:10,399 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 12:35:10,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:10,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866419727] [2022-12-13 12:35:10,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866419727] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:10,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:10,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:35:10,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439965566] [2022-12-13 12:35:10,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:10,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:35:10,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:10,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:35:10,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:35:10,401 INFO L87 Difference]: Start difference. First operand 37 states and 45 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 12:35:10,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:10,425 INFO L93 Difference]: Finished difference Result 86 states and 105 transitions. [2022-12-13 12:35:10,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:35:10,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 12:35:10,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:10,426 INFO L225 Difference]: With dead ends: 86 [2022-12-13 12:35:10,426 INFO L226 Difference]: Without dead ends: 51 [2022-12-13 12:35:10,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 12:35:10,428 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 33 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:10,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 95 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:10,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-12-13 12:35:10,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 37. [2022-12-13 12:35:10,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 36 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:35:10,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2022-12-13 12:35:10,432 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 9 [2022-12-13 12:35:10,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:10,432 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2022-12-13 12:35:10,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 12:35:10,433 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-12-13 12:35:10,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 12:35:10,433 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:10,433 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:10,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:35:10,433 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:10,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:10,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1387099210, now seen corresponding path program 1 times [2022-12-13 12:35:10,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:10,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632126900] [2022-12-13 12:35:10,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:10,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:10,823 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 12:35:10,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:10,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632126900] [2022-12-13 12:35:10,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632126900] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:10,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:10,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:35:10,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002389258] [2022-12-13 12:35:10,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:10,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:35:10,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:10,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:35:10,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:35:10,825 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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 12:35:10,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:10,877 INFO L93 Difference]: Finished difference Result 80 states and 97 transitions. [2022-12-13 12:35:10,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:35:10,877 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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 12:35:10,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:10,878 INFO L225 Difference]: With dead ends: 80 [2022-12-13 12:35:10,878 INFO L226 Difference]: Without dead ends: 79 [2022-12-13 12:35:10,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:35:10,879 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 71 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:10,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 88 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:10,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-12-13 12:35:10,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 50. [2022-12-13 12:35:10,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 42 states have (on average 1.4761904761904763) internal successors, (62), 49 states have internal predecessors, (62), 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 12:35:10,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2022-12-13 12:35:10,882 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 9 [2022-12-13 12:35:10,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:10,882 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2022-12-13 12:35:10,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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 12:35:10,883 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-12-13 12:35:10,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 12:35:10,883 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:10,883 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:10,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:35:10,883 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:10,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:10,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1159982034, now seen corresponding path program 1 times [2022-12-13 12:35:10,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:10,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851422151] [2022-12-13 12:35:10,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:10,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:10,945 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 12:35:10,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:10,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851422151] [2022-12-13 12:35:10,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851422151] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:10,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:10,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:35:10,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830611883] [2022-12-13 12:35:10,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:10,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:35:10,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:10,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:35:10,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:35:10,947 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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 12:35:11,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:11,005 INFO L93 Difference]: Finished difference Result 123 states and 151 transitions. [2022-12-13 12:35:11,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:35:11,006 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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 12:35:11,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:11,006 INFO L225 Difference]: With dead ends: 123 [2022-12-13 12:35:11,007 INFO L226 Difference]: Without dead ends: 86 [2022-12-13 12:35:11,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:35:11,008 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 71 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:11,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 109 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:11,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-12-13 12:35:11,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 42. [2022-12-13 12:35:11,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 41 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:35:11,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2022-12-13 12:35:11,013 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 10 [2022-12-13 12:35:11,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:11,013 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2022-12-13 12:35:11,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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 12:35:11,013 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-12-13 12:35:11,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 12:35:11,014 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:11,014 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:11,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 12:35:11,014 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:11,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:11,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1568206898, now seen corresponding path program 1 times [2022-12-13 12:35:11,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:11,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342870293] [2022-12-13 12:35:11,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:11,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:11,063 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 12:35:11,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:11,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342870293] [2022-12-13 12:35:11,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342870293] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:11,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:11,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:35:11,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390679025] [2022-12-13 12:35:11,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:11,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:35:11,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:11,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:35:11,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:35:11,065 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 12:35:11,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:11,098 INFO L93 Difference]: Finished difference Result 88 states and 107 transitions. [2022-12-13 12:35:11,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:35:11,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 12:35:11,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:11,099 INFO L225 Difference]: With dead ends: 88 [2022-12-13 12:35:11,099 INFO L226 Difference]: Without dead ends: 55 [2022-12-13 12:35:11,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:35:11,100 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 35 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:11,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 119 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:11,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-12-13 12:35:11,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 45. [2022-12-13 12:35:11,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 38 states have (on average 1.394736842105263) internal successors, (53), 44 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:35:11,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 53 transitions. [2022-12-13 12:35:11,103 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 53 transitions. Word has length 11 [2022-12-13 12:35:11,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:11,103 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 53 transitions. [2022-12-13 12:35:11,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 12:35:11,103 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2022-12-13 12:35:11,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 12:35:11,103 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:11,103 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:11,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 12:35:11,104 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:11,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:11,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1599754246, now seen corresponding path program 1 times [2022-12-13 12:35:11,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:11,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830253449] [2022-12-13 12:35:11,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:11,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:11,379 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 12:35:11,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:11,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830253449] [2022-12-13 12:35:11,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830253449] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:11,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:11,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:35:11,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513820795] [2022-12-13 12:35:11,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:11,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 12:35:11,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:11,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 12:35:11,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:35:11,381 INFO L87 Difference]: Start difference. First operand 45 states and 53 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 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 12:35:11,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:11,537 INFO L93 Difference]: Finished difference Result 121 states and 147 transitions. [2022-12-13 12:35:11,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 12:35:11,537 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 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 12:35:11,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:11,539 INFO L225 Difference]: With dead ends: 121 [2022-12-13 12:35:11,539 INFO L226 Difference]: Without dead ends: 120 [2022-12-13 12:35:11,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-12-13 12:35:11,540 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 144 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:11,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 149 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:35:11,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-12-13 12:35:11,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 52. [2022-12-13 12:35:11,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 51 states have internal predecessors, (62), 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 12:35:11,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2022-12-13 12:35:11,546 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 11 [2022-12-13 12:35:11,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:11,546 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2022-12-13 12:35:11,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 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 12:35:11,547 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2022-12-13 12:35:11,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 12:35:11,547 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:11,547 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:11,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 12:35:11,548 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:11,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:11,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1947225999, now seen corresponding path program 1 times [2022-12-13 12:35:11,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:11,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309290631] [2022-12-13 12:35:11,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:11,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:11,674 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 12:35:11,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:11,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309290631] [2022-12-13 12:35:11,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309290631] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:11,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:11,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:35:11,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729751368] [2022-12-13 12:35:11,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:11,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 12:35:11,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:11,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 12:35:11,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:35:11,676 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 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 12:35:11,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:11,826 INFO L93 Difference]: Finished difference Result 80 states and 97 transitions. [2022-12-13 12:35:11,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 12:35:11,826 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 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 12:35:11,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:11,827 INFO L225 Difference]: With dead ends: 80 [2022-12-13 12:35:11,827 INFO L226 Difference]: Without dead ends: 79 [2022-12-13 12:35:11,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-12-13 12:35:11,828 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 75 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:11,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 161 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:35:11,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-12-13 12:35:11,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 56. [2022-12-13 12:35:11,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 55 states have internal predecessors, (68), 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 12:35:11,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 68 transitions. [2022-12-13 12:35:11,831 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 68 transitions. Word has length 12 [2022-12-13 12:35:11,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:11,831 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 68 transitions. [2022-12-13 12:35:11,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 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 12:35:11,831 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2022-12-13 12:35:11,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 12:35:11,831 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:11,831 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:11,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 12:35:11,832 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:11,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:11,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1694214290, now seen corresponding path program 1 times [2022-12-13 12:35:11,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:11,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930379143] [2022-12-13 12:35:11,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:11,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:11,964 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 12:35:11,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:11,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930379143] [2022-12-13 12:35:11,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930379143] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:11,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:11,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:35:11,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467517143] [2022-12-13 12:35:11,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:11,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 12:35:11,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:11,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 12:35:11,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:35:11,966 INFO L87 Difference]: Start difference. First operand 56 states and 68 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:35:12,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:12,183 INFO L93 Difference]: Finished difference Result 77 states and 96 transitions. [2022-12-13 12:35:12,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 12:35:12,184 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-13 12:35:12,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:12,185 INFO L225 Difference]: With dead ends: 77 [2022-12-13 12:35:12,185 INFO L226 Difference]: Without dead ends: 76 [2022-12-13 12:35:12,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-12-13 12:35:12,186 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 88 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:12,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 134 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:35:12,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-13 12:35:12,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 56. [2022-12-13 12:35:12,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 49 states have (on average 1.3673469387755102) internal successors, (67), 55 states have internal predecessors, (67), 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 12:35:12,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 67 transitions. [2022-12-13 12:35:12,190 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 67 transitions. Word has length 13 [2022-12-13 12:35:12,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:12,190 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 67 transitions. [2022-12-13 12:35:12,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:35:12,191 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 67 transitions. [2022-12-13 12:35:12,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 12:35:12,191 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:12,191 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:12,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 12:35:12,191 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:12,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:12,191 INFO L85 PathProgramCache]: Analyzing trace with hash -981035365, now seen corresponding path program 1 times [2022-12-13 12:35:12,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:12,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702446949] [2022-12-13 12:35:12,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:12,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:12,418 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 12:35:12,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:12,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702446949] [2022-12-13 12:35:12,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702446949] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:12,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:12,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:35:12,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348035599] [2022-12-13 12:35:12,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:12,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 12:35:12,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:12,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 12:35:12,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:35:12,420 INFO L87 Difference]: Start difference. First operand 56 states and 67 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 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 12:35:12,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:12,512 INFO L93 Difference]: Finished difference Result 78 states and 95 transitions. [2022-12-13 12:35:12,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:35:12,513 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-13 12:35:12,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:12,513 INFO L225 Difference]: With dead ends: 78 [2022-12-13 12:35:12,513 INFO L226 Difference]: Without dead ends: 77 [2022-12-13 12:35:12,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-12-13 12:35:12,514 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 88 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:12,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 118 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:35:12,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-12-13 12:35:12,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 51. [2022-12-13 12:35:12,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 50 states have internal predecessors, (61), 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 12:35:12,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2022-12-13 12:35:12,518 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 14 [2022-12-13 12:35:12,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:12,518 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2022-12-13 12:35:12,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 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 12:35:12,518 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2022-12-13 12:35:12,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-13 12:35:12,519 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:12,519 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:12,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 12:35:12,519 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:12,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:12,520 INFO L85 PathProgramCache]: Analyzing trace with hash 2048962627, now seen corresponding path program 1 times [2022-12-13 12:35:12,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:12,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104996718] [2022-12-13 12:35:12,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:12,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:12,557 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 12:35:12,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:12,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104996718] [2022-12-13 12:35:12,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104996718] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:12,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:12,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:35:12,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621396169] [2022-12-13 12:35:12,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:12,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:35:12,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:12,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:35:12,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:35:12,559 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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 12:35:12,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:12,579 INFO L93 Difference]: Finished difference Result 97 states and 117 transitions. [2022-12-13 12:35:12,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:35:12,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) Word has length 16 [2022-12-13 12:35:12,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:12,580 INFO L225 Difference]: With dead ends: 97 [2022-12-13 12:35:12,580 INFO L226 Difference]: Without dead ends: 59 [2022-12-13 12:35:12,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 12:35:12,581 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 12 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:12,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 97 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:12,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-12-13 12:35:12,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 53. [2022-12-13 12:35:12,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 52 states have internal predecessors, (63), 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 12:35:12,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions. [2022-12-13 12:35:12,584 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 63 transitions. Word has length 16 [2022-12-13 12:35:12,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:12,585 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 63 transitions. [2022-12-13 12:35:12,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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 12:35:12,585 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2022-12-13 12:35:12,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-13 12:35:12,585 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:12,585 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:12,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 12:35:12,586 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:12,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:12,586 INFO L85 PathProgramCache]: Analyzing trace with hash 2050809669, now seen corresponding path program 1 times [2022-12-13 12:35:12,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:12,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128782075] [2022-12-13 12:35:12,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:12,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:12,620 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 12:35:12,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:12,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128782075] [2022-12-13 12:35:12,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128782075] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:12,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:12,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:35:12,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132057221] [2022-12-13 12:35:12,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:12,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:35:12,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:12,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:35:12,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:35:12,622 INFO L87 Difference]: Start difference. First operand 53 states and 63 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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 12:35:12,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:12,640 INFO L93 Difference]: Finished difference Result 97 states and 115 transitions. [2022-12-13 12:35:12,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:35:12,640 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) Word has length 16 [2022-12-13 12:35:12,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:12,641 INFO L225 Difference]: With dead ends: 97 [2022-12-13 12:35:12,641 INFO L226 Difference]: Without dead ends: 47 [2022-12-13 12:35:12,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 12:35:12,642 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 3 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:12,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 98 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:12,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-12-13 12:35:12,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-12-13 12:35:12,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 41 states have (on average 1.1951219512195121) internal successors, (49), 46 states have internal predecessors, (49), 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 12:35:12,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2022-12-13 12:35:12,645 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 16 [2022-12-13 12:35:12,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:12,645 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2022-12-13 12:35:12,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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 12:35:12,645 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2022-12-13 12:35:12,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-13 12:35:12,646 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:12,646 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:12,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 12:35:12,646 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:12,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:12,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1223174679, now seen corresponding path program 1 times [2022-12-13 12:35:12,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:12,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811248431] [2022-12-13 12:35:12,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:12,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:12,697 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 12:35:12,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:12,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811248431] [2022-12-13 12:35:12,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811248431] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:12,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:12,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:35:12,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100022833] [2022-12-13 12:35:12,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:12,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:35:12,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:12,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:35:12,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:35:12,699 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 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 12:35:12,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:12,735 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2022-12-13 12:35:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:35:12,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 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) Word has length 18 [2022-12-13 12:35:12,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:12,736 INFO L225 Difference]: With dead ends: 64 [2022-12-13 12:35:12,737 INFO L226 Difference]: Without dead ends: 63 [2022-12-13 12:35:12,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:35:12,737 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 32 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:12,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 56 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:12,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-12-13 12:35:12,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 57. [2022-12-13 12:35:12,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 51 states have (on average 1.1568627450980393) internal successors, (59), 56 states have internal predecessors, (59), 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 12:35:12,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2022-12-13 12:35:12,741 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 18 [2022-12-13 12:35:12,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:12,741 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2022-12-13 12:35:12,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 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 12:35:12,741 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2022-12-13 12:35:12,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 12:35:12,742 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:12,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:12,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 12:35:12,742 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:12,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:12,743 INFO L85 PathProgramCache]: Analyzing trace with hash -736290516, now seen corresponding path program 1 times [2022-12-13 12:35:12,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:12,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990924170] [2022-12-13 12:35:12,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:12,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:12,833 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 12:35:12,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:12,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990924170] [2022-12-13 12:35:12,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990924170] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:12,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:12,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:35:12,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345753914] [2022-12-13 12:35:12,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:12,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:35:12,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:12,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:35:12,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:35:12,835 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 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 12:35:12,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:12,870 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2022-12-13 12:35:12,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:35:12,870 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-13 12:35:12,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:12,870 INFO L225 Difference]: With dead ends: 57 [2022-12-13 12:35:12,871 INFO L226 Difference]: Without dead ends: 56 [2022-12-13 12:35:12,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 12:35:12,871 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 5 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:12,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 104 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:12,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-12-13 12:35:12,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-12-13 12:35:12,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 51 states have (on average 1.1372549019607843) internal successors, (58), 55 states have internal predecessors, (58), 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 12:35:12,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2022-12-13 12:35:12,874 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 19 [2022-12-13 12:35:12,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:12,874 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2022-12-13 12:35:12,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 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 12:35:12,875 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2022-12-13 12:35:12,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-13 12:35:12,875 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:12,875 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:12,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 12:35:12,875 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:12,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:12,876 INFO L85 PathProgramCache]: Analyzing trace with hash 2132277283, now seen corresponding path program 1 times [2022-12-13 12:35:12,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:12,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712105238] [2022-12-13 12:35:12,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:12,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:13,219 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 12:35:13,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:13,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712105238] [2022-12-13 12:35:13,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712105238] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:13,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:13,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:35:13,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128579288] [2022-12-13 12:35:13,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:13,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:35:13,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:13,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:35:13,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:35:13,220 INFO L87 Difference]: Start difference. First operand 56 states and 58 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 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 12:35:13,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:13,240 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2022-12-13 12:35:13,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:35:13,241 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 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) Word has length 20 [2022-12-13 12:35:13,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:13,241 INFO L225 Difference]: With dead ends: 56 [2022-12-13 12:35:13,241 INFO L226 Difference]: Without dead ends: 55 [2022-12-13 12:35:13,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:35:13,241 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 28 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:13,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 41 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:13,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-12-13 12:35:13,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 45. [2022-12-13 12:35:13,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 41 states have (on average 1.146341463414634) internal successors, (47), 44 states have internal predecessors, (47), 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 12:35:13,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2022-12-13 12:35:13,243 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 20 [2022-12-13 12:35:13,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:13,243 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2022-12-13 12:35:13,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 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 12:35:13,243 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2022-12-13 12:35:13,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-13 12:35:13,244 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:13,244 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:13,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 12:35:13,244 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:13,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:13,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1350169415, now seen corresponding path program 1 times [2022-12-13 12:35:13,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:13,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237978725] [2022-12-13 12:35:13,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:13,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:13,545 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 12:35:13,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:13,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237978725] [2022-12-13 12:35:13,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237978725] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:13,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:13,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:35:13,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811684781] [2022-12-13 12:35:13,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:13,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:35:13,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:13,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:35:13,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:35:13,547 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 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 12:35:13,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:13,574 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2022-12-13 12:35:13,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:35:13,575 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 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) Word has length 20 [2022-12-13 12:35:13,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:13,575 INFO L225 Difference]: With dead ends: 45 [2022-12-13 12:35:13,575 INFO L226 Difference]: Without dead ends: 44 [2022-12-13 12:35:13,576 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 12:35:13,576 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 12 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:13,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 36 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:13,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-12-13 12:35:13,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-12-13 12:35:13,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 43 states have internal predecessors, (46), 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 12:35:13,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2022-12-13 12:35:13,579 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 20 [2022-12-13 12:35:13,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:13,579 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2022-12-13 12:35:13,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 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 12:35:13,579 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2022-12-13 12:35:13,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-13 12:35:13,579 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:13,579 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:13,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 12:35:13,580 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:13,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:13,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1094421198, now seen corresponding path program 1 times [2022-12-13 12:35:13,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:13,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975477393] [2022-12-13 12:35:13,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:13,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:13,742 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 12:35:13,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:13,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975477393] [2022-12-13 12:35:13,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975477393] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:13,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:13,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 12:35:13,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307247616] [2022-12-13 12:35:13,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:13,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 12:35:13,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:13,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 12:35:13,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 12:35:13,744 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 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 12:35:13,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:13,859 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2022-12-13 12:35:13,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 12:35:13,860 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 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) Word has length 21 [2022-12-13 12:35:13,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:13,860 INFO L225 Difference]: With dead ends: 58 [2022-12-13 12:35:13,860 INFO L226 Difference]: Without dead ends: 57 [2022-12-13 12:35:13,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-12-13 12:35:13,861 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 63 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:13,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 61 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:13,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-13 12:35:13,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-12-13 12:35:13,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 54 states have (on average 1.0925925925925926) internal successors, (59), 56 states have internal predecessors, (59), 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 12:35:13,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2022-12-13 12:35:13,865 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 21 [2022-12-13 12:35:13,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:13,865 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2022-12-13 12:35:13,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 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 12:35:13,865 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2022-12-13 12:35:13,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 12:35:13,866 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:13,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:13,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 12:35:13,866 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:13,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:13,866 INFO L85 PathProgramCache]: Analyzing trace with hash 106328386, now seen corresponding path program 1 times [2022-12-13 12:35:13,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:13,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028715022] [2022-12-13 12:35:13,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:13,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:13,987 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 12:35:13,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:13,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028715022] [2022-12-13 12:35:13,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028715022] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:13,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:13,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:35:13,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515164708] [2022-12-13 12:35:13,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:13,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 12:35:13,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:13,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 12:35:13,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:35:13,989 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:35:14,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:14,044 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2022-12-13 12:35:14,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:35:14,044 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-12-13 12:35:14,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:14,045 INFO L225 Difference]: With dead ends: 57 [2022-12-13 12:35:14,045 INFO L226 Difference]: Without dead ends: 56 [2022-12-13 12:35:14,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:35:14,046 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 19 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:14,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 93 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:14,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-12-13 12:35:14,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 43. [2022-12-13 12:35:14,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:35:14,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2022-12-13 12:35:14,048 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 23 [2022-12-13 12:35:14,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:14,049 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2022-12-13 12:35:14,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:35:14,049 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2022-12-13 12:35:14,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-13 12:35:14,049 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:14,050 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:14,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 12:35:14,050 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:14,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:14,050 INFO L85 PathProgramCache]: Analyzing trace with hash -431347778, now seen corresponding path program 1 times [2022-12-13 12:35:14,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:14,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251140544] [2022-12-13 12:35:14,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:14,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:14,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:35:14,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:14,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251140544] [2022-12-13 12:35:14,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251140544] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:14,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:14,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:35:14,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679409326] [2022-12-13 12:35:14,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:14,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 12:35:14,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:14,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 12:35:14,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:35:14,248 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:35:14,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:14,294 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2022-12-13 12:35:14,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:35:14,295 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-12-13 12:35:14,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:14,295 INFO L225 Difference]: With dead ends: 52 [2022-12-13 12:35:14,295 INFO L226 Difference]: Without dead ends: 51 [2022-12-13 12:35:14,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:35:14,296 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 33 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:14,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 53 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:14,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-12-13 12:35:14,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 37. [2022-12-13 12:35:14,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 36 states have internal predecessors, (39), 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 12:35:14,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2022-12-13 12:35:14,297 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 28 [2022-12-13 12:35:14,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:14,298 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2022-12-13 12:35:14,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:35:14,298 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2022-12-13 12:35:14,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-13 12:35:14,298 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:14,298 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:14,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 12:35:14,298 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 12:35:14,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:14,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1075620242, now seen corresponding path program 1 times [2022-12-13 12:35:14,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:14,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251061798] [2022-12-13 12:35:14,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:14,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:14,412 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:35:14,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:14,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251061798] [2022-12-13 12:35:14,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251061798] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:14,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:14,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 12:35:14,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224441038] [2022-12-13 12:35:14,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:14,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 12:35:14,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:14,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 12:35:14,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 12:35:14,413 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:35:14,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:14,512 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2022-12-13 12:35:14,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 12:35:14,512 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-12-13 12:35:14,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:14,512 INFO L225 Difference]: With dead ends: 48 [2022-12-13 12:35:14,512 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 12:35:14,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2022-12-13 12:35:14,513 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 72 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:14,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 56 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:14,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 12:35:14,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 12:35:14,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:35:14,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 12:35:14,514 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2022-12-13 12:35:14,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:14,515 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:35:14,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:35:14,515 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 12:35:14,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 12:35:14,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-12-13 12:35:14,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-12-13 12:35:14,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-12-13 12:35:14,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-12-13 12:35:14,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-12-13 12:35:14,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-12-13 12:35:14,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-12-13 12:35:14,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-12-13 12:35:14,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-12-13 12:35:14,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-12-13 12:35:14,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 12:35:14,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 12:35:14,535 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,535 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 563 565) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|) 2147483647) [2022-12-13 12:35:14,536 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2022-12-13 12:35:14,536 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 12:35:14,536 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,536 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,536 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 12:35:14,536 INFO L899 garLoopResultBuilder]: For program point L557-1(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,536 INFO L899 garLoopResultBuilder]: For program point L557-2(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,536 INFO L899 garLoopResultBuilder]: For program point L557-3(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,536 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 559) no Hoare annotation was computed. [2022-12-13 12:35:14,536 INFO L899 garLoopResultBuilder]: For program point L557-5(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,536 INFO L899 garLoopResultBuilder]: For program point L557-6(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,536 INFO L899 garLoopResultBuilder]: For program point L557-8(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,537 INFO L899 garLoopResultBuilder]: For program point L557-9(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,537 INFO L895 garLoopResultBuilder]: At program point test_fun_returnLabel#1(lines 547 562) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|) 2147483647) [2022-12-13 12:35:14,537 INFO L899 garLoopResultBuilder]: For program point L557-10(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,537 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,537 INFO L899 garLoopResultBuilder]: For program point L557-12(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,537 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 12:35:14,537 INFO L899 garLoopResultBuilder]: For program point L557-13(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,537 INFO L899 garLoopResultBuilder]: For program point L557-14(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,537 INFO L899 garLoopResultBuilder]: For program point L557-15(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,537 INFO L899 garLoopResultBuilder]: For program point L557-16(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,537 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,537 INFO L899 garLoopResultBuilder]: For program point L557-18(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,537 INFO L899 garLoopResultBuilder]: For program point L557-19(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,538 INFO L899 garLoopResultBuilder]: For program point L557-21(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,538 INFO L899 garLoopResultBuilder]: For program point L557-22(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,538 INFO L899 garLoopResultBuilder]: For program point L557-24(lines 557 560) no Hoare annotation was computed. [2022-12-13 12:35:14,538 INFO L895 garLoopResultBuilder]: At program point L557-26(lines 557 560) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~z_ref~0#1.base|) |ULTIMATE.start_test_fun_~z_ref~0#1.offset|)) (.cse1 (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (and (<= .cse0 2147483647) (not (= |ULTIMATE.start_test_fun_~z_ref~0#1.base| |ULTIMATE.start_test_fun_~y_ref~0#1.base|)) (<= .cse1 2147483647) (<= 0 (+ .cse0 2147483648)) (<= 0 (+ .cse1 2147483648)))) [2022-12-13 12:35:14,538 INFO L899 garLoopResultBuilder]: For program point L557-27(lines 557 560) no Hoare annotation was computed. [2022-12-13 12:35:14,538 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2022-12-13 12:35:14,538 INFO L899 garLoopResultBuilder]: For program point L558-1(line 558) no Hoare annotation was computed. [2022-12-13 12:35:14,538 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 559) no Hoare annotation was computed. [2022-12-13 12:35:14,538 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 12:35:14,538 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 557) no Hoare annotation was computed. [2022-12-13 12:35:14,538 INFO L899 garLoopResultBuilder]: For program point L559(line 559) no Hoare annotation was computed. [2022-12-13 12:35:14,539 INFO L899 garLoopResultBuilder]: For program point L559-1(line 559) no Hoare annotation was computed. [2022-12-13 12:35:14,539 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2022-12-13 12:35:14,542 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:14,544 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:35:14,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:35:14 BoogieIcfgContainer [2022-12-13 12:35:14,557 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:35:14,558 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:35:14,558 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:35:14,558 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:35:14,558 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:35:09" (3/4) ... [2022-12-13 12:35:14,561 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 12:35:14,571 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-13 12:35:14,571 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 12:35:14,571 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 12:35:14,571 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 12:35:14,609 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a16238-4f73-4561-b3fb-e6881a640310/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 12:35:14,609 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:35:14,610 INFO L158 Benchmark]: Toolchain (without parser) took 6229.16ms. Allocated memory was 130.0MB in the beginning and 209.7MB in the end (delta: 79.7MB). Free memory was 88.9MB in the beginning and 168.4MB in the end (delta: -79.5MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2022-12-13 12:35:14,610 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 130.0MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:35:14,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.42ms. Allocated memory is still 130.0MB. Free memory was 88.9MB in the beginning and 73.0MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 12:35:14,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.77ms. Allocated memory is still 130.0MB. Free memory was 73.0MB in the beginning and 70.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:35:14,611 INFO L158 Benchmark]: Boogie Preprocessor took 22.63ms. Allocated memory is still 130.0MB. Free memory was 70.9MB in the beginning and 69.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:35:14,611 INFO L158 Benchmark]: RCFGBuilder took 340.76ms. Allocated memory was 130.0MB in the beginning and 209.7MB in the end (delta: 79.7MB). Free memory was 69.6MB in the beginning and 177.4MB in the end (delta: -107.8MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2022-12-13 12:35:14,611 INFO L158 Benchmark]: TraceAbstraction took 5422.83ms. Allocated memory is still 209.7MB. Free memory was 176.7MB in the beginning and 171.5MB in the end (delta: 5.2MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2022-12-13 12:35:14,612 INFO L158 Benchmark]: Witness Printer took 51.54ms. Allocated memory is still 209.7MB. Free memory was 171.5MB in the beginning and 168.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:35:14,613 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 130.0MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.42ms. Allocated memory is still 130.0MB. Free memory was 88.9MB in the beginning and 73.0MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.77ms. Allocated memory is still 130.0MB. Free memory was 73.0MB in the beginning and 70.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.63ms. Allocated memory is still 130.0MB. Free memory was 70.9MB in the beginning and 69.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 340.76ms. Allocated memory was 130.0MB in the beginning and 209.7MB in the end (delta: 79.7MB). Free memory was 69.6MB in the beginning and 177.4MB in the end (delta: -107.8MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5422.83ms. Allocated memory is still 209.7MB. Free memory was 176.7MB in the beginning and 171.5MB in the end (delta: 5.2MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Witness Printer took 51.54ms. Allocated memory is still 209.7MB. Free memory was 171.5MB in the beginning and 168.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 40 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 21, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1084 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1084 mSDsluCounter, 1965 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1290 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1043 IncrementalHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 675 mSDtfsCounter, 1043 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=14, InterpolantAutomatonStates: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 21 MinimizatonAttempts, 351 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 51 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 298 ConstructedInterpolants, 0 QuantifiedInterpolants, 2014 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 13/13 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: unknown-#memory_int-unknown[y_ref][y_ref] <= 2147483647 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: (((unknown-#memory_int-unknown[z_ref][z_ref] <= 2147483647 && !(z_ref == y_ref)) && unknown-#memory_int-unknown[y_ref][y_ref] <= 2147483647) && 0 <= unknown-#memory_int-unknown[z_ref][z_ref] + 2147483648) && 0 <= unknown-#memory_int-unknown[y_ref][y_ref] + 2147483648 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: unknown-#memory_int-unknown[y_ref][y_ref] <= 2147483647 RESULT: Ultimate proved your program to be correct! [2022-12-13 12:35:14,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a16238-4f73-4561-b3fb-e6881a640310/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE